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General Motors Corporation Legal Staff patentsThe following is a sampling of recent General Motors Corporation Legal Staff patent applications (USPTO Patent Application #, Patent Title) sorted by month.
August 2010 - General Motors Corporation Legal Staff patents
20100199784 - Torque sensor with alignment system
July 2009 - General Motors Corporation Legal Staff patents
20090188085 - Hose clamp
20090188169 - Window regulator bracket assembly
20090188797 - Drag through electro-deposition system
20090188896 - Gmaw system having multiple independent wire feeds
20090188903 - Method for welding process consistency
20090190870 - Bearing assembly for planetary gear pinion
20090191379 - Adhesion method for attaching barrier sheets to motor vehicle door panels
20090191432 - Fuel cell system cathode inlet relative humidity control
20090192676 - Method for populating motor vehicle yaw gain tables for use in an electronic stability control system
20090192687 - Vehicle path control for autonomous braking system
20090184533 - Vehicle endgate hinge assembly
20090185597 - Temperature sensor assembly
20090186556 - System for providing quantitative process control of finesse polishing
20090178241 - Door hinge assembly
20090179360 - Hydraulic ride bushing having improved end of bushing travel damping
20090180870 - Blower motor flange diverter
20090173594 - Torque based park lock assembly
June 2009 - General Motors Corporation Legal Staff patents
20090159028 - Hydraulically lashed end pivot rocker arm
20090159028 - Hydraulically lashed end pivot rocker arm
20090159359 - Independently suspended and driven asymmetric axle shafts
20090159359 - Independently suspended and driven asymmetric axle shafts
20090159624 - Roof rack features enabled by active materials
20090159624 - Roof rack features enabled by active materials
20090160152 - Rearward torque arm for damping independently suspended and driven axle shafts
20090160152 - Rearward torque arm for damping independently suspended and driven axle shafts
20090162138 - Longitudinal member assembly with joint
20090162138 - Longitudinal member assembly with joint
20090162167 - Wire staple for attaching metal sheets
20090162167 - Wire staple for attaching metal sheets
20090151125 - Integrated vehicle door hinge and handle
20090151342 - Exhaust gas waste heat recovery
20090158261 - Computer-implemented method of releasing battery state estimation software
20090148324 - Variable displacement vane pump
20090139365 - Cable assembly conduit condensation drain
May 2009 - General Motors Corporation Legal Staff patents
20090133415 - Hvac thermal storage for hybrid vehicle
20090133646 - Vehicle power steering waste heat recovery
20090126659 - Turbocharged engine cylinder head internal cooling
20090130868 - Solenoid and connector assembly
20090120244 - Wrench for tightening pipe nuts
20090120757 - Fluid transfer tube
20090120913 - System for and method of producing invisible projection welds
20090120922 - Ceramic body and steel post locating pin assembly
20090123318 - Fluid transfer insert
20090125200 - Control system for a torque transmitting device in an automatic transmission
20090113890 - Motor vehicle braking system with spring adjusted brake pedal feel
20090114468 - Method for vehicle creep torque control
20090117417 - Method for model based exhaust mixing control in a fuel cell application
April 2009 - General Motors Corporation Legal Staff patents
20090106934 - Vehicle closure check link
20090107172 - Receiver/dryer-accumulator-internal heat exchanger for vehicle air conditioning system
20090107205 - Apparatus for apertured attachment of metal sheets
20090107739 - Air conditioning for belt-alternator-starter hybrid electric vehicle
20090107958 - Torch and contact tip for gas metal arc welding
20090107959 - Arc welding initiation system and method
20090107960 - Welding stability system and method
20090108566 - Collapsing vehicle tow hook
20090108613 - Vehicle endgate counterbalance
20090109022 - Method and apparatus for providing in-vehicle fuel related information
20090109046 - Adaptive filter algorithm for estimating battery state-of-age
20090100627 - Debris removal apparatus for a wiper system
20090100627 - Debris removal apparatus for a wiper system
20090100627 - Debris removal apparatus for a wiper system
20090100826 - Diesel exhaust gas temperature reduction
20090100826 - Diesel exhaust gas temperature reduction
20090100826 - Diesel exhaust gas temperature reduction
20090101631 - System for controlling high current components in a motor vehicle
20090101631 - System for controlling high current components in a motor vehicle
20090101631 - System for controlling high current components in a motor vehicle
20090104476 - Fuel cell stack with asymmetric diffusion media on anode and cathode
20090104476 - Fuel cell stack with asymmetric diffusion media on anode and cathode
20090104476 - Fuel cell stack with asymmetric diffusion media on anode and cathode
20090105900 - Reconfigurable structure method of estimating vehicle lateral velocity
20090105900 - Reconfigurable structure method of estimating vehicle lateral velocity
20090105900 - Reconfigurable structure method of estimating vehicle lateral velocity
20090105919 - Method and system for determining initiation of a panic braking maneuver
20090105919 - Method and system for determining initiation of a panic braking maneuver
20090105919 - Method and system for determining initiation of a panic braking maneuver
20090095247 - Intake valve for lessening accumulation of high boiling fraction from fuel
20090097928 - Weld gun lug resurfacing tool
20090098907 - Parked vehicle location information access via a portable cellular communication device
20090099744 - Brake assist exit method and system for vehicles
20090099745 - Brake assist driver command for vehicles
20090090162 - Driver plate for electromagnetic forming of sheet metal
20090090590 - High torque one way clutch
20090091072 - Method and apparatus for fixturing a panel
20090093932 - Vehicular seatbelt monitoring system and process
20090084347 - System and method for injecting fuel into a direct injection engine
20090084347 - System and method for injecting fuel into a direct injection engine
20090088062 - Vehicle body pressure relief system
20090088062 - Vehicle body pressure relief system
20090088279 - Method and apparatus to detect a mode-gear mismatch during steady state operation of an electro-mechanical transmission
20090088279 - Method and apparatus to detect a mode-gear mismatch during steady state operation of an electro-mechanical transmission
March 2009 - General Motors Corporation Legal Staff patents
20090078683 - System for and method of edge welding using projections
20090071178 - Vehicle hvac and battery thermal management
20090072770 - Power inverter module thermal management
20090074993 - Active material activated cover
20090075127 - Method for measuring high-frequency resistance of fuel cell in a vehicle
20090075773 - Method and apparatus to detect a mode-gear mismatch during operation of an electro-mechanical transmission
20090075780 - Method and apparatus to monitor a valve adapted to control mode to gear transitions during operation of an electro-mechanical transmission
20090076679 - Method and apparatus to monitor an output speed sensor during operation of an electro-mechanical transmission
20090064762 - Knock sensor diagnostic system and method
20090064976 - Learn correction feature for virtual flex fuel sensor
20090065484 - Welding polymeric panels to metal surfaces
20090066163 - Two-source series inverter
20090066271 - Method and system for converting dc power to ac power
20090066281 - Method and apparatus for electric motor torque monitoring
20090067203 - Three phase inverter with improved loss distribution
20090069142 - Method and system for controlling power inverters in electric drives of vehicles with two-mode transmissions
20090069148 - Control architecture and method for one-dimensional optimization of input torque and motor torque in fixed gear for a hybrid powertrain system
20090069151 - Valve control system
20090069989 - Method and control architecture for selection of optimal engine input torque for a powertrain system
20090070019 - Method and control architecture for optimization of engine fuel-cutoff selection and engine input torque for a hybrid powertrain system
20090056672 - Airflow-based crank throttle control in a torque-based system
20090056868 - Adhesive bonding of vehicle external panels to reduce bond-line read-out
20090057373 - Multi-purpose end effector for welder
20090058130 - Active material based concealment devices for seams
20090058132 - Active material based concealment assemblies
20090058685 - Multimode vehicle location device and method
20090058731 - Dual band stacked patch antenna
20090061188 - Active material based seam concealment devices and methods of use thereof
20090062983 - Suspension system with optimized damping response
20090062990 - Systems and methods for encouraging the use of vehicle seat belts
February 2009 - General Motors Corporation Legal Staff patents
20090049618 - Apparatus and method for installing connecting rods
20090050709 - Powder paint recirculation block assembly
20090051183 - Vehicle ditch molding
20090052210 - Temperature sensing arrangements for power electronic devices
20090054198 - 8-speed transmission
20090055065 - Active brake pulsation control
20090045042 - Active material based bodies for varying frictional force levels at the interface between two surfaces
20090045642 - Apparatus for mounting an article astride fixed and movable body components
20090047197 - Active material based bodies for varying surface texture and frictional force levels
20090047489 - Composite article having adjustable surface morphology and methods of making and using
20090048889 - Manufacturing portfolio flexibility planning
20090049338 - Root cause diagnostics using temporal data mining
20090038227 - Glass attachment for movable vehicle window
20090038295 - Electrically heated dpf start-up strategy
20090039671 - Flush vehicle door handle
20090042686 - Multi-speed transmission
20090031970 - Switchable valvetrain system and method of operation
20090031982 - Oil communication manifold for an internal combustion engine
20090032353 - Apparatus with active material surface in contact with pheological fluid and method of enhancing performance thereof
20090032356 - Torque-transmitting device having a dimpled friction plate
20090033104 - Vehicle door latch assembly
20090035129 - Vane air-cooling system for automatic transmission torque converter
20090036246 - Hybrid powertrain with efficient electric-only mode
20090036247 - Multi-speed transmission
20090036254 - 8-speed transmission
20090036255 - Multi-speed transmission
20090036259 - 8-speed transmissions
20090036268 - Transmission heater system and method
20090037048 - Integrated open and closed-loop control method for active engine mounts
January 2009 - General Motors Corporation Legal Staff patents
20090025469 - Adaptive barometric pressure estimation
20090025952 - Electric motor power connection assembly
20090025995 - Vehicle hood with sandwich inner structure
20090026895 - Electric motor systems
20090026877 - Stir-welded rotors and methods of making
20090027000 - Linearity for field weakening in an interior permanent magnet machine
20090027933 - Voltage link control of a dc-ac boost converter system
20090028532 - Control device for driving a brushless dc motor
20090030603 - Digital map database and method for obtaining evacuation route information
20090031181 - Automated root cause identification of logic controller failure
20090019959 - Countershaft clutch and gear assembly
20090020081 - Integrated vehicle cooling system
20090020188 - Active material apparatus with activating thermoelectric device thereon and method of fabrication
20090020216 - Method of making tailored core laminated sheet metal
20090020355 - Self-aligning detent spring assembly
20090021344 - Method and system for controlling an ignition switch and an operational state of a vehicle
20090022962 - Tailored core laminated sheet metal
20090023019 - Bidirectional water separator
20090023505 - Adapter ring for transmission pump assembly to engine connection
20090023533 - 8-speed transmission
20090023534 - 8-speed transmission
20090023535 - 8-speed transmissions
20090023536 - 8-speed transmission
20090023537 - 8-speed transmissions
20090023538 - 8-speed transmissions
20090023539 - 8-speed transmission
20090023540 - Multi-speed transmission
20090024296 - System and method for estimating volumetric efficiency for engines with intake and exhaust cam phasers
20090024300 - Airflow estimation method and apparatus for internal combustion engine
20090024775 - Dual core architecture of a control module of an engine
20090014226 - Torque differential modification of a non-driven axle
20090015034 - Self-engaging rod retaining clip
20090015997 - Modular and configurable display device
20090017963 - 8-speed transmission
20090017964 - 9-speed transmission
20090017965 - 9-speed transmission
20090017966 - 9-speed transmission
20090017967 - 10-speed transmission
20090017968 - 8-speed transmission
20090017969 - 8-speed transmission
20090017970 - 8-speed transmission
20090017979 - 10-speed transmission
20090017980 - 9-speed transmission
20090017981 - Multi-speed transmission
20090008172 - Control of hybrid power regeneration during cruise control
20090009980 - Capacitor with direct dc connection to substrate
20090011891 - Multi-speed transmission
20090000146 - Evaporator core drying system
20090000196 - Systems and methods for preventing motor vehicle doors from coming into contact with obstacles
20090000274 - Control oriented model for lnt regeneration
20090000284 - Ash reduction system using electrically heated particulate matter filter
20090000389 - Multiple path air mass flow sensor assembly
20090000579 - Valve train with overload features
20090000670 - Centrifuge and venting system for a transmission
20090000708 - Method for manufacture of complex heat treated tubular structure
20090000756 - Reducing residual stresses during sand casting
20090000765 - Viscous heater, refrigerant compressor and control
20090000852 - Silent chain with asymmetric involute profile
20090001787 - Ionized air system and method for dissipating an electrostatic charge in a vehicle
20090001906 - Method and apparatus for controlling asynchronous motors
20090001909 - Automotive power inverter with reduced capacitive coupling
20090001915 - Method and apparatus for active voltage control of electric motors
20090001923 - Systems and methods for operating z-source inverter inductors in a continuous current mode
20090001996 - Systems and methods to evaluate permanent magnet motors
20090002184 - Apparatus and method for positioning a movable component of a motor actuated device
20090002222 - Method of estimating target elevation utilizing radar data fusion
20090003930 - Pinch bolt - split hub attachment assembly
20090004038 - Liquid-cooled rotor assembly for a supercharger
20090005206 - Hydraulic feed system for a transmission
20090005209 - Multi-speed transmission
20090005212 - One way clutch and synchronizer assembly
20090005932 - Trailer articulation angle estimation
20090005958 - Traffic probe in-vehicle map-based process to reduce data communications and improve accuracy
20090005974 - Fuel cost predictor system
20090005985 - Gps-based in-vehicle sensor calibration algorithm
October 2008 - General Motors Corporation Legal Staff patents
20080256778 - Method for joining tubes
20080256782 - Methods for forming a magnet in a rotor
20080256783 - Method for producing a stator assembly
20080257310 - Hybrid powertrain with reversing engine and method of control
20080257305 - System for controlling fuel injectors
20080257306 - Method and apparatus for selecting a combustion mode for an internal combustion engine
20080258552 - Fuel filler door interlock assembly
20080258655 - Hybrid motor boost system and methods
20080258661 - Inverter topology for an electric motor
20080258673 - Method and system for pulse position scheduling in electric drives
20080260362 - Method and system for operating a motor to avoid selected pulse ratio values
20080261102 - Sulfonated-perfluorocyclobutane polyelectrolyte membranes for fuel cells
20080261756 - Multi-speed transmission
20080261757 - Multi-speed transmission
20080261758 - Multi-speed transmission
20080261759 - Multi-speed transmission
20080261760 - Multi-speed transmission
20080261761 - Multi-speed transmission
20080262673 - Engine oil temperature diagnostic methods and systems
20080262694 - Method and apparatus to optimize engine warm up
20080262698 - Method and apparatus to determine instantaneous engine power loss for a powertrain system
20080250776 - Mixing apparatus for an exhaust after-treatment system
20080250778 - Excess nh3 storage control for scr catalysts
20080250841 - Stake punch
20080250890 - Backup alignment system for an internal mode switch
20080251045 - Oil feed system for a hydraulically actuated cam phaser
20080252091 - Cargo retention device and method
20080252094 - Locking arrangements for removable end gates
20080255720 - Method and apparatus for validating processors using seed and key tests
20080255725 - Interior component management of a vehicle via occupant monitoring
20080245129 - System for detecting failures in fuel systems
20080245130 - System for detecting failures in fuel systems
20080245201 - Workpiece cutting and free body scrap collection system
20080245340 - Combustion seal
20080246296 - Static-reducing vehicle seat
20080246997 - Table interpolation methods and systems
20080247862 - Compressor inlet duct
20080247882 - Split-pressure dual pump hydraulic fluid supply system for a multi-speed transmission and method
20080248368 - Microtextured fuel cell elements for improved water management
20080249693 - Method of selecting a transmission shift schedule
20080235931 - Apparatus and method of assembling a piston on a shaft over a lip seal
20080235932 - Method for positioning and joining panels
20080236142 - Method and apparatus for exhaust gas purifying using hydrocarbon-selective catalytic reduction
20080236646 - Thermal optimization of a solar photovoltaic powered electrolyzer system
20080236647 - Apparatus to reduce the cost of renewable hydrogen fuel generation by electrolysis using combined solar and grid power
20080236720 - Joining polymer workpieces to other components
20080236921 - Method for controlling engine speed in a hybrid electric vehicle
20080236930 - Soft start fuel cell control strategy
20080237303 - Decision method for dressing of welding electrodes
20080237503 - Fuel contaminant light sensor
20080237517 - Method and system for controlling a valve device
20080238178 - Vehicle seat belt assembly
20080238642 - Vehicle system and method for preparing an in-vehicle device
20080239776 - Cooling electronic components
20080241033 - Ammonia storage for on-vehicle engine
20080241296 - Durable tool for molding of polymer composites
20080241607 - Water removal system for non-reactive regions in pefmc stacks
20080241608 - Method of starting up a fuel cell under conditions in which water may freeze
20080241699 - Lithium-ion battery electrolytes
20080242315 - Traffic data collection utilizing a cellular communication network and probe units
20080242472 - 8-speed transmission
20080242473 - 8-speed transmission
20080243346 - Method and apparatus for controlling power flow in a hybrid powertrain system
September 2008 - General Motors Corporation Legal Staff patents
20080229720 - Method and apparatus for monitoring the restriction level of a vehicular air filter element
20080229727 - Normalizing oxygen storage capacity(osc) for catalyst monitoring
20080229806 - Knock system with detection zones
20080229814 - Crank position correction using cylinder pressure
20080229870 - Pneumatic accelerator pedal actuator
20080230024 - Controlling two cam phasers with one cam position sensor
20080230038 - Vapor assisted cold start architecture utilizing tank grade vent valves
20080230999 - Seal installation tool and method of using same
20080231062 - Trunk emergency release handle having a luminous insert
20080231070 - Movable closeout device for a convertible roof
20080232026 - Thin film capacitor and methods of making same
20080234097 - Clutch control for hybrid transmission
20080234106 - Engine control for displacement on demand
20080234907 - Override of automatic braking in a collision mitigation and/or avoidance system
20080222853 - Shape memory alloy reinforced hoses and clamps
20080223019 - Scr cold start heating system for a diesel exhaust
20080223037 - Turbocharger assembly with catalyst coating
20080223111 - System for detecting hydraulic fluid leaks
20080223114 - Engine oil viscosity diagnostic systems and methods
20080223123 - Air filter restriction monitoring without pre-throttle pressure sensors
20080223248 - Assembly for aligning and interlocking an electro-monorail system and vertical lift station
20080223334 - Torque based fuel cut-off
20080223335 - Throttle body restriction indicator
20080223347 - Engine pcv system with hydrophobic, oleophobic membrane for air/oil separation
20080223453 - Ethanol compensated fuel density for fuel consumed calculation
20080223681 - Selectable one-way clutch
20080223685 - Clutch exhaust assembly and method
20080224509 - Vehicle seat assembly
20080224649 - Anti-windup control for a current regulator of a pulse width modulation inverter
20080224651 - Method and system for controlling permanent magnet ac machines
20080224687 - Method and apparatus for monitoring fuel cells
20080224888 - Systems and methods for digital signal processing
20080224896 - Radios, systems, and method for providing real-time information about user-defined geographic locations
20080225482 - Semiconductor cooling system for use in electric or hybrid vehicle
20080227584 - Transmission assembly
20080227586 - Wide ratio transmissions with four planetary gear sets and three fixed interconnections
20080227587 - Multi-speed transmission
20080228337 - Method for operating an engine control module under low voltage conditions
20080228351 - Speed-limiting accessory drive system and method of controlling speed of a driven accessory
20080228369 - Accelerator/brake pedal management for torque-based engine control
20080217131 - Dual one-way clutch assembly
20080217863 - Shaft interface debris seal
20080217927 - Cable systems having at least one section formed of an active material
20080217941 - Active material enabled self-presenting devices
20080217942 - Handle for vehicle door
20080217955 - Vehicle door auxiliary latch release
20080218325 - Method for measuring the amount of air in a fluid
20080219032 - Method and system for operating a power converter
20080220923 - Control system for a differential in a transmission
20080220934 - Hybrid powertrain torque control
20080220939 - Control system for electronic range selection in a dual clutch transmission
20080221763 - Vehicle transmission shift inhibit method and apparatus
20080221765 - Torque converter clutch control system
20080221818 - Correction of factors in vehicle accelerometer signals
20080210188 - Air induction housing having a perforated sound attenuation wall
20080212335 - Vehicle lamp collapsible closeout
August 2008 - General Motors Corporation Legal Staff patents
20080201914 - Trim clip
20080202203 - Piston delamination testing apparatus
20080202265 - Multi-speed transmission with countershaft gearing
20080202266 - Multi-speed transmission with countershaft gearing
20080202267 - Multi-speed transmission with countershaft gearing
20080202268 - Multi-speed transmission with a countershaft gearing
20080202469 - Method and apparatus for controlling a homogeneous charge compression ignition engine
20080202637 - Method for improving adhesion between a shape memory alloy and a polymer
20080203120 - Spare tire tuned mass damper
20080203760 - Active material based closure hinge and alignment process
20080204191 - System and method for controlling information access on a mobile platform
20080205320 - Method and system for selectively communicating with mobile platforms
20080206604 - Washer fluid system for fuel cell vehicles
20080206608 - Method for dynamic adaptive relative humidity control in the cathode of a fuel cell stack
20080207363 - Low cost torque vectoring system
20080207372 - Three mode electrically-variable transmission
20080207373 - Electrically-variable transmission having two forward low range electrically-variable modes and a reverse electrically-variable mode
20080207380 - Wide ratio transmissions with multliple gear ratios
20080207381 - Multi-speed transmission
20080208405 - Method and system for facilitating communication of information to a mobile platform
20080208406 - Nonlinear vehicle yaw/roll/sideslip command interpreter
20080208410 - Secure control mode transition methods for an active front steer system
20080208420 - Torque control arbitration in powertrain systems
20080196408 - Variable geometry exhaust cooler
20080196496 - Wheel balancing method and apparatus
20080196526 - Multi speed transmission having a countershaft gearing arrangement
20080196683 - High performance overhead valvetrain assembly
20080196684 - Hydraulic lash adjuster
20080196693 - Multiple injection blend for direct injected engines
20080196694 - Multiple injection blend for direct injected engines
20080196950 - Method and system for determing current in an electrical component
20080197552 - Single fastener strut top mount and method of optimizing same
20080197643 - Adjustable striker assembly
20080197653 - Pivot and stow seating
20080197796 - System and method for controlling electric drive systems
20080197800 - Reduction of subharmonic oscillation at high frequency operation of a power inverter
20080197902 - Method and apparatus to reduce pwm voltage distortion in electric drives
20080198617 - Led adaptive forward lighting systems
20080198633 - Method and system for operating a power converter
20080200109 - Asymmetrical pressure relief vent
20080200296 - Electrically-variable transmission with two differential gear sets
20080201036 - Oil temperature prediction and vehicle protection
20080190078 - Dpf heater attachment mechanisms
20080190163 - Apparatus for hole punching
20080190177 - Throttle inlet absolute air pressure sensor for dirty air filter detection
20080190228 - Electro-hydraulic control system with three-position dog clutch actuator valve
20080190292 - Shielded regeneration heating element for a particulate filter
20080190386 - Multi-step valve actuation system
20080190389 - Rocker assembly with adjustable swivel foot
20080190497 - Fluid displacement reservoir
20080190724 - Forward clutch high pressure holding valve for hybrid vehicles to enable engine start-stop-drive functions
20080191422 - Transmission pump seal
20080191454 - Reversibly deployable energy absorbing assembly and methods for operating the same
20080193255 - Method for attaching fastener to the inside of a member
20080193356 - Procedure for the hydrogenation of bnh-containing compounds
20080194377 - Apparatus and method of using a hardness differential and surface finish on mating hard gears
20080194381 - Variable k-factor torque converter
20080195297 - Method for on-board diagnosis of cold start emissions reduction control strategy
20080184695 - Post catalyst oxygen sensor diagnostic
20080184755 - Lubrication of magnesium workpieces for hot forming
20080184760 - Method and apparatus for hemming panels together
20080184762 - Metal forming apparatus
20080184763 - Metal forming apparatus characterized by rapid cooling and method of use thereof
20080184767 - Crimping apparatus and method
20080184776 - Adaptive oil pressure fault detection
20080184831 - Apparatus and method for securing transmission gear synchronizers to shafts
20080184947 - Engine valvetrain having variable valve lift timing and duration
20080184955 - Engine air intake system with resilient coupling having internal noise attenuation tuning
20080185079 - Lubricant for elevated temperature forming
20080185125 - Variable flow heat exchanger system and method
20080185251 - Clutch to clutch tie-up steady-state diagnostic
20080185254 - Fluid model control of electro-viscous fan clutch
20080185541 - Flow-regulating valve and oil level control system using same
20080185901 - Rotating joint with captured washer assembly and method
20080186158 - Active body ventilation system
20080186159 - Enabling vision systems in automobiles
20080187446 - Pressure regulating variable displacement vane pump
20080187786 - Apparatus for hydrogen-air mixing in a fuel cell assembly and method
20080187787 - Fuel cell stack end cell control methodology
20080187802 - Ptc element as a self regulating start resistor for a fuel cell stack
20080187804 - Method for improved power up-transient response in the fuel cell system
20080188161 - Method and system for forming a workpiece
20080188341 - Cycloid limited slip differential and method
20080188344 - Wide ratio transmission with four planetary gear sets
20080189006 - Method and system for securely storing odometer information in an automobile
20080189009 - Method and apparatus to monitor ambient sensing devices
20080189027 - Coordinated control of throttle and egr valve
20080189039 - Collision avoidance system and method of detecting overpass locations using data fusion
20080189236 - Monitoring a delivery chain network
July 2008 - General Motors Corporation Legal Staff patents
20080178532 - Sealing arrangements for automotive doors
20080178696 - Multi-speed transmission with countershaft gearing arrangement
20080178828 - Single hydraulic circuit module for dual lift of multiple engine valves
20080178842 - Intake air over-restriction monitoring
20080178852 - Purge flow control to reduce air/fuel ratio imbalance
20080178856 - Oxygen sensor heater control methods and systems
20080179119 - Vehicle drive system, power management device, and method for managing power
20080179148 - Multistage jounce bumper
20080180000 - Power capacitors for ac motors mounted diametrically on associated transmissions
20080179980 - Permanent magnet machine rotor
20080181280 - Method and apparatus to monitor a temperature sensing device
20080182499 - Integrated system and method of battery cooling for a hybrid or fuel cell vehicle
20080182693 - Torque-transmitting assembly with dog clutch and hydrostatic damper and electrically variable transmission with same
20080182694 - Electrically variable transmission device using multiple pairings of electrical machines
20080182696 - Method and apparatus to control operation of a hydraulic control circuit for an electro-mechanical transmission
20080182700 - Multi-speed countershaft transmission with a planetary gear set and method
20080182705 - Multi-speed transmission
20080182706 - Multi-speed transmission
20080182709 - Valve configuration for a lubrication circuit of a latched pump applied clutch transmission
20080182719 - Electro-hydraulic control system with multiplexed trim valves for a transmission
20080183365 - System for controlling evaporative emissions
20080183372 - Method and apparatus to determine pressure in an unfired cylinder
20080183373 - Diagnostic methods and systems for active fuel management systems
20080183374 - Adaptive mbt spark advance for conventional powertrains
20080183405 - Torque estimator for ipm motors
20080172861 - Methods for manufacturing motor core parts with magnetic orientation
20080173057 - Stamping of work hardenable aluminum alloy sheets
20080173081 - Rough road detection system
20080173264 - Drive piston assembly for a valve actuator assembly
20080173268 - Hydraulic-pressure actuated locking mechanism and method
20080173271 - Adjustable helmholtz resonator
20080173284 - Engine pcv system with venturi nozzle for flow regulation
20080173397 - Method for routing electrical conductor between panels
20080174074 - Ring seal with inner lip
20080174261 - Power capacitors for ac motors mounted diametrically on associated transmissions
20080174300 - Hall-effect pressure switch
20080175739 - Supercharger with heat insulated gear case
20080175762 - Catalytic converter optimization
20080176696 - Electrically variable transmission having three interconnected planetary gear sets and clutched input
20080176697 - Multi-mode electrically variable transmissions with three fixed interconnections and two input clutches
20080176700 - Electro-hydraulic control system with multiplexed pressure switch diagnostic system
20080176704 - Multi-mode electrically variable transmissions with two brakes and three input clutches
20080176705 - Method and apparatus for control of a transmission torque converter clutch
20080176706 - Method and apparatus to control operation of an electro-mechanical transmission
20080176708 - Method and apparatus for control of transmission shifting
20080176709 - Method and apparatus to monitor devices of a hydraulic circuit of an electro-mechanical transmission
20080176965 - Enhancing proton conductivity of proton exchange membranes
20080177443 - Method and system for vehicle parking assistance
20080177453 - Commanded clutch diagnostic for hybrid vehicles
20080177702 - Retrieving case-based reasoning information from archive records
20080168817 - Tool for forming threaded hole in a hydroformed part
20080168961 - Intake assembly with integral resonators
20080169030 - Valve assembly for transmission fluid level management
20080169166 - Rocker clutch assembly
20080169699 - Pedal travel audit system
20080170958 - Rotor assembly and method of forming
20080171627 - Multi-speed transmission
20080171628 - Multi-speed transmission
20080171629 - Multi-speed transmission
20080172162 - Adaptive retarder control method and apparatus
20080163471 - Tire pressure monitor installation tool
20080163666 - Mandrel anchor for tube bending
20080163678 - Oil life monitoring system for a diesel engine
20080164389 - Component loading tool for assembly operations
20080164987 - State of health monitoring and reset methods and systems for on-board device driver integrated circuits
20080166599 - Fuel cell and method for reducing electrode degradation during startup and shutdown cycles
20080166620 - Additives for fuel cell layers
20080167161 - Automatic braking system
20080167781 - Threat assessment state processing for collision warning, mitigation and/or avoidance in ground-based vehicles
20080167787 - Airflow estimation method and apparatus for internal combustion engine
20080167788 - Fuel life monitor and engine management for plug-in hybrid electric vehicles
20080168317 - Linked random access memory (ram) interleaved pattern persistence strategy
20080156302 - Exhaust gas recirculation estimation system
20080157951 - Vehicle parameter infrastructure security strategy
20080161154 - Multi-speed transmission with countershaft gearing
20080161159 - Method of detecting and preventing tie-up during a double transition up-shift
June 2008 - General Motors Corporation Legal Staff patents
20080148933 - Piston top chamfer design to reduce noise and friction
20080149256 - Method and apparatus to minimize adhesive induced distortion
20080150457 - Method and apparatus for monitoring an electrical energy storage device
20080150552 - Apparatus and method for sensing water within a fuel-water separator assembly
20080153367 - Internal elastomer damper for vehicular propeller shafts
20080153654 - Multi-speed transmission
20080154454 - Engine off brake booster leak diagnostic systems and methods
20080141658 - Diesel exhaust control during limp-home mode
20080141659 - Emissions conformance for an exhaust after-treatment system having a dosing agent supply
20080141667 - Fuel-cell exhaust system
20080141684 - Liquid tank with combined liquid filling and liquid extraction conduit
20080141688 - Vehicle hvac system
20080141760 - Leak detection in a fuel cell system
20080141968 - Intake manifold assembly
20080143497 - Vehicle emergency communication mode method and apparatus
20080145715 - Control of nitrogen fraction in a flow shifting fuel cell system
20080145716 - Method of mitigating fuel cell degradation due to startup and shutdown via hydrogen/nitrogen storage
20080145717 - Method of operating a fuel cell stack
20080134817 - Multi-speed dual clutch transmission
20080134820 - Multi-speed dual clutch transmission
20080135010 - Intake assembly having helmholtz resonators
20080135025 - System for detecting purge valve malfunction
20080135316 - Method and apparatus for modeling diffusion in an electrochemical system
20080135339 - Method and apparatus for cooling and lubricating an off-axis motor/generator
20080136110 - Acoustic perimeter seal for vehicle energy storage module
20080136271 - Cooling system for an electric motor
20080138687 - Inexpensive approach for coating bipolar plates for pem fuel cells
20080139102 - Battery pack and hvac air handling and controls
20080140295 - Glow plug learn and control system
20080127634 - Hybrid catalyst for nox reduction using fuel hydrocarbons as reductant
20080127666 - Vehicle heat exchanger and cooling system
20080127936 - Variable pitch timing chain/belt for camshaft to crankshaft correlation
20080128394 - Monitoring and repair method for adhesive bonding
20080130305 - Led lights for interior automotive lighting
20080132369 - Longitudinal spring damper for damping chain vibration
20080133078 - Engine overrate detection method and apparatus
20080133090 - Reversibly opening and closing a grille using active materials
20080133112 - Spark advance for engine idle speed control
20080134257 - Gleaning localized information via at least one satellite television broadcast
May 2008 - General Motors Corporation Legal Staff patents
20080120843 - Method for manufacturing low distortion carburized gears
20080120844 - Method for manufacture of shaped tubular part
20080121211 - Torque based air per cylinder and volumetric efficiency determination
20080121212 - Engine torque control
20080122213 - Three-dimensional vehicle frame
20080124587 - Electrically conductive, hydrophilic and acid resistant film
20080125264 - Input brake providing electric only fixed gear
20080125951 - Torque based engine speed control
20080126043 - Model-based torque converter control
20080126149 - Method to determine process input variables' values that optimally balance customer based probability of achieving quality and costs for multiple competing attributes
20080115486 - Flexible fuel tolerant catalytic converter diagnostic method
20080115491 - Exhaust gas recirculation system for an internal combustion engine
20080115492 - Exhaust gas recirculation system for an internal combustion engine
20080115755 - Light load air delivery system for an internal combustion engine
20080115768 - Flexible fuel prediction and driver message display
20080116834 - Methods and apparatus for an active front steering actuator
20080116840 - Pwm pattern sequence to reduce losses in voltage source inverters
20080117602 - Power inverter having liquid cooled capacitor and low inductance bus structure
20080118787 - Fuel cell heating
20080118788 - Supplemental coolant heating for fuel cells with metal plates
20080118809 - Use of a porous material in the manifolds of a fuel cell stack
20080118818 - Supports for fuel cell catalysts based on transition metal silicides
20080119240 - Method and system for informing a vehicle telematics user of a connection status
20080119313 - Hybrid powertrain having three interconnecting members and brakes
20080119314 - Hybrid powertrain having three planetary gearsets and brakes
20080119316 - Apparatus for expanding gear speed ratio coverage of an automatic transmission
20080119318 - Multi-speed transmission
20080119320 - Method and apparatus for controlling an electro-mechanical transmission during a shift execution
20080119321 - Control architecture and method for two-dimensional optimization of input torque and motor torque in fixed gear for a hybrid powertrain system
20080119326 - Gear clash logic
20080119976 - Prognostic for loss of high-voltage isolation
20080119999 - Gps altitude data for transmission control systems and methods
20080120000 - Control architecture for optimization and control of a hybrid powertrain system
20080120001 - Control architecture for selection of optimal mode or gear and input speed for a hybrid powertrain system
20080120002 - Control architecture and method for two-dimensional optimization of input speed and input torque in mode for a hybrid powertrain system
20080120009 - Engine torque control at high pressure ratio
20080120015 - Liquid fuel detection system
20080120016 - Adaptive nox emissions control for engines with variable cam phasers
20080120018 - Discrete variable valve lift diagnostic systems and methods
20080120124 - Method of tracking changes of subscribers for an in-vehicle telematics service
20080120516 - Variable bleed solenoid recovery system
20080110685 - Turbocompressor shutdown mechanism
20080110714 - Dual input clutch transmission with torque converter pump drive
20080110716 - Clutch damper for a crankshaft
20080113240 - Slow purge for improved water removal, freeze durability, purge energy efficiency and voltage degradation due to shutdown/startup cycling
20080113241 - Fuel cell microporous layer with microchannels
20080113245 - Method of making hydrophilic fuel cell bipolar plates
20080104815 - Fixture exchange rail system and method of use
20080104969 - Acoustic fluid level monitoring
20080104796 - Door closure assist assemblies
20080105476 - Power inverter connector having integrated current sensors
20080106058 - Detachable dual-use platform apparatus and method
20080106107 - Progressive energy absorber
20080106119 - Vehicle body to frame load absorbing structure
20080107929 - Fuel cell system having water-retaining material
20080107945 - Fuel cell substrate with an overcoat
20080108477 - Downhill vehicle speed control algorithm for electric driven vehicles
20080099256 - Accessory drive system for a hybrid vehicle
20080099289 - Coulomb damped disc brake rotor and method of manufacturing
20080099301 - Clutch for a transmission
20080099573 - Spray penetration control method
20080100070 - Vehicle door latch striker
20080100071 - Active material actuated flow trips
20080100079 - Compartment access system with active material component and method for controlling access to an interior compartment
20080100159 - Apparatus for cooling stator lamination stacks of electircal machines
20080100167 - Permanent magnet machine rotor
20080100254 - Method and system for controlling synchronous motor drive systems
20080101013 - Power module having self-contained cooling system
20080102326 - Fuel cell start optimization
20080103002 - Hybrid electrically variable transmission with dual power paths and selective motor connection
20080103003 - Method and apparatus to control operation of a hydraulic control circuit for an electro-mechanical transmission
20080103679 - Accessory drive system
April 2008 - General Motors Corporation Legal Staff patents
20080092390 - Method for in-situ foaming of metal foam in hollow structure
20080093172 - Engine oil change detection systems and methods
20080094023 - Method and apparatus for pwm control of voltage source inverter to minimize current sampling errors in electric drives
20080095627 - Fan blades having variable pitch compliantly responsive to a linear actuator
20080096036 - Sacrificial coatings for magnesium components
20080096039 - Method of making precursor hollow castings for tube manufacture
20080096711 - Variable speed accessory drive system
20080097700 - Collision avoidance system and method of aiding rearward vehicular motion
20080086857 - Tailor welded blank assembly and method
20080087518 - Clutch for a transmission
20080087650 - Method for single side welding of laminate steel
20080088577 - Vehicular multifunction control system
20080090060 - Low shrink low density laminate formulation
20080090122 - Integrated pressure relief valve for fuel cell stack
20080091318 - Method and system for lane centering control
20080091367 - Method and apparatus for measurement of fuel cell high frequency resistance in the presence of large undesirable signals
20080092258 - High voltage energy storage connection monitoring system and method
20080083212 - Oxygen based particulate filter regeneration strategy
20080083271 - Diesel oxidation catalyst (doc) temperature sensor rationality diagnostic
20080083395 - Method and apparatus for generating crankshaft synchronized sine wave
20080083426 - Simplified method for cleaning production tools used for metal forming
20080085568 - Method for repairing bonded metallic structures
20080085805 - Multi-speed transmission
20080085806 - Multi-speed transmission
20080085807 - Multi-speed transmission
20080085808 - Multi-speed transmission
20080085809 - Multi-speed transmission
20080085810 - Multi-speed transmission
20080085811 - Multi-speed transmission
20080085812 - Multi-speed transmission
20080085813 - Multi-speed transmission
20080086256 - Method for adapting torque model for improved zero torque identification
20080078167 - Method and apparatus for controlling engine operation during regeneration of an exhaust aftertreatment system
20080078225 - Lubricant formulation for high temperature metal forming processes
20080078236 - Adaptive learning method for clean particulate filter pressure drop
20080078361 - Method of crank signal disturbance compensation
20080078521 - Galvanic corrosion protection for magnesium components using cast-in-place isolators
20080078598 - Fuel tank mount
20080078635 - Damper assembly
20080078749 - Welding electrode with contoured face
20080078896 - Active material based suction cups
20080079222 - Temperature adaptive radial shaft seal assemblies using shape memory alloy elements
20080079418 - High-precision rogowski current transformer
20080081149 - Gas diffusing laminated steel sandwich panels
20080081224 - Fuel cell startup method for fast freeze startup
20080081225 - Method for managing fuel cell power increases using air flow feedback delay
20080081238 - Water transfer efficiency improvement in a membrane humidifier by reducing dry air inlet temperature
20080081722 - Multi-mode electrically variable transmissions with interconnected gearsets
20080081723 - Multi-mode electrically variable transmissions with at least one brake and three clutches
20080081735 - Control of engine torque reduction at upshift initiation
20080082234 - Method and system for coordinating a vehicle stability control system with a suspension damper control sub-system
20080082243 - Method and apparatus for generating a cornering-corrected elsd control signal
20080082245 - Virtual accelerometer
20080082559 - Method of linking information to an electronically enabled manufactured part archive
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