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Pumps January USPTO class listing 01/08

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
01/31/2008 > patent applications in patent subcategories.

20080025849 - High-pressure fuel pump control apparatus for an internal combustion engine: a solenoid valve which is installed as a suction valve in a fuel charging passage to the pressurized chamber such that a pump suction pressure generated in the pressurized chamber in the charging stroke is exerted on the solenoid valve in a valve opening direction, and that is closed at... Agent: Crowell & Moring LLP Intellectual Property Group

20080025850 - Spring barrel pumps: Spring barrel pump characterized by the fact that the bores (2) in which the pistons (4) move are provided by way of the spring barrel (1) diametrically to its axis (XX).... Agent: Young & Thompson

20080025851 - Inverted pressure regulating valve for an engine oil pump: The present invention provides a valve assembly for relieving fluid pressure having a pump housing with a low pressure inlet chamber and a high pressure discharge chamber, a relief aperture positioned between the low pressure inlet chamber and the high pressure discharge chamber, a valve seat along the perimeter of... Agent: Mcdonald Hopkins LLC

20080025852 - Economical tide/wave/swell/wind/solar powered high pressure fluid pump: An apparatus for pumping and compressing fluids using floats which ride on the tides, swells and waves of the sea lowering an impeller by gravity when the tide falls and discharging fluid through back flow prevention valves above impeller when sea level rises for any reason. Pump will deliver sea... Agent: Albert H. Davis, Sr.

20080025853 - micro impedance pump for fluid logic, mixing and separation: An impedance pump system formed on a rigid substrate is substantially planar, in a plane defined by a substrate. A micro machined opening is made in the substrate, and an impedance pump, formed by a lumen which can be a tubular elastic device having two different fluidic impedances with a... Agent: Law Office Of Scott C Harris

20080025854 - Peristaltic pump: A pump for circulating a medium comprises: an elastically deformable hose which lies against a pressing surface, with a medium inlet and a medium outlet; and pressing elements which move along the hose and press the hose part in contact with a pressing element against the pressing surface while locally... Agent: The Webb Law Firm, P.C.

20080025855 - Piston pump and piston ring: A piston pump includes a pump housing in which a pump piston is guided axially movably, so that upon an actuation of the pump piston a fluid is pumped from a suction side of the piston pump to a compression side of the piston pump via a pump chamber adjoining... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080025856 - Compressor for liquid fuel canister: A compressor for a fuel canister. The compressor includes a handle or other device for rotating a shaft. Rotation of the shaft causes the operation of pistons, which drive air into the fuel canister, thus pressurizing the fuel canister. In an embodiment, the compressor is a rotary style compressor. In... Agent: Leydig, Voit & Mayer, Ltd. (seattle Office)

20080025857 - Piston pump with improved pressure build-up dynamics: A piston pump for delivering hydraulic fluid, having a piston that is able to move in a reciprocating fashion in order to build up pressure in a pressure chamber and having at least one valve equipped with a spring sealing element having a sealing region and a spring region in... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

01/24/2008 > patent applications in patent subcategories.

20080019842 - System and method for controlling compressor flow: A system for controlling air flow comprises an inlet, a first compressor, a first pressure sensor, a second pressure sensor, a first temperature sensor, and a first controller. The inlet is configured to direct a first stream of air into the system. The first compressor is configured to pull in... Agent: Kinney & Lange, P.A.

20080019843 - Multiple pump unit: There is provided a multiple pump unit including a pump shaft, a first pump, a pump housing, a second pump and a fluid passage block connected to one end surface in an axis line direction of the pump housing. One or both contacting surfaces of the pump housing and the... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080019844 - Compressor: The present invention relates to a compressor which secures a sufficient refrigerant inhaling passage so as to minimize a refrigerant inhaling resistance and also to increase lubricating action with respect to a thrust bearing supporting a swash plate, in a structure that refrigerant is inhaled to a cylinder bore through... Agent: Lowe Hauptman Ham & Berner, LLP

20080019845 - Fluid pressure motor: In a swash plate piston motor (2), a piston (24, 41) which is caused to reciprocate by a fluid pressure and a cylinder block (23) which rotates within an operating chamber (21) in accordance with the reciprocation of the piston (24, 41) are accommodated in the operating chamber (21) inside... Agent: Rabin & Berdo, PC

20080019846 - Variable displacement gerotor pump: A variable displacement pump having an inner rotor (gerotor) and an outer rotor is disclosed. Advantageously, the pump provides a movable outer rotor capable of changing the amount of fluid transferred from an inlet to an outlet. Optionally, a biasing member is connected to the outer rotor for preventing movement... Agent: Mcdonald Hopkins LLC

20080019847 - Wave energy converter: Apparatus (10) for capturing wave energy in a body of water such as the sea. The apparatus (10) rests on the seabed and comprises a body structure (11) having a portion such as a flexible diaphragm (19) adapted to deflect in response to wave action. Pumps (51), each defining a... Agent: Merchant & Gould PC

20080019848 - Fan device: A fan device includes a fan body having a connecting portion and two corresponding side portions, wherein each side portion is provided with at least a corner edge consisting of an aperture, a fan frame, a frame connecting end connecting with the connecting portion, a side wall for dividing the... Agent: Edwards Angell Palmer & Dodge LLP

20080019849 - Pumping device: The present invention is a pump. It has few components. It has a simple producing procedure and a simple assembling procedure. It can reduce the noise occurred when a pump vibrates. And it runs with saved energy.... Agent: Troxell Law Office PLLC

20080019850 - Electric pump: The present invention provides a compact electric motor, thus ensuring improved in-vehicle mountability. A pump is driven by an electric motor. The pump has a coil 14 disposed in a ring form around and along a stator core 13. The stator core 13 has a plurality of claw magnetic poles... Agent: Crowell & Moring LLP Intellectual Property Group

20080019852 - Linear compressor: A linear compressor comprising a pump chamber wherein a moves reciprocatingly, a frame which is integral with the pump chamber and against which a floating body is reciprocatingly maintained by at least one spring, at least one electromagnet mounted on the frame for causing the reciprocating movement of the floating... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20080019851 - Method and apparatus for sealing an ultrahigh-pressure fluid system: A seal carrier is provided for an ultrahigh-pressure fluid system having a plunger configured to reciprocate therein along a longitudinal axis when the ultra-high pressure fluid system is in operation, the seal carrier having an inner surface provided with a first portion configured to captively receive a seal, substantially preventing... Agent: Seed Intellectual Property Law Group PLLC

20080019853 - High-pressure fuel pump: A high-pressure fuel pump is comprises of: a plunger which slidably fits to a cylinder and reciprocates for pressurizing and discharging a fuel taken in a pressurizing chamber; an inlet valve device for taking in a fuel into the pressurizing chamber; an outlet valve device for discharging the pressurized fuel... Agent: Crowell & Moring LLP Intellectual Property Group

20080019854 - Pumping apparatus having a piston with a diamond-like carbon coating: A pumping apparatus is provided, which comprises a piston (1) for reciprocation in a pump working chamber (3), a valve, coupled to said pump working chamber (3) in order to permit liquid flow only unidirectional and a drive unit for reciprocating said piston (1). The liquid in said pump working... Agent: Perman & Green

01/17/2008 > patent applications in patent subcategories.

20080014096 - Idle down control for a pressure washer: An idle down controller for pressure washers is responsive to the drop in pressure at the pump outlet. The controller includes a sensor disposed in the pump outlet manifold. When the fluid is being bypassed, the manifold pressure drop is communicated to an actuator. The actuator overrides the engine governor... Agent: Michael Best & Friedrich LLP

20080014097 - Compressed air manufacturing facility: In order to provide a compressed air manufacturing facility which can increase a stability of a supply pressure while obtaining an energy saving effect, in a compressed air manufacturing facility provided with a compressor compressing an air, an electric motor driving the compressor, and an inverter variably controlling a rotating... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080014098 - Bicycle pump: A bicycle pump includes a cylindrical body in which a rod disposes. The rod is moveable inside the cylindrical body. A clip is attached to the outer peripheral surface of the cylindrical body. The clip includes a first clipping portion provided to allow insertion of the cylindrical body. The clip... Agent: Kamrath & Associates P.A.

20080014099 - Passage structure for air compressor: A passage structure for an air compressor mainly has a trough extended from inside of a casing that communicates with a second space to increase the contact area of air and the casing. The trough has an outer surface with a plurality of cooling fins located thereon to enhance total... Agent: Kamrath & Associates P.A.

20080014100 - Positive displacement hydro pump: A pressure-powered liquid pump is provided which includes a housing having opposite ends and configured to allow an actuator to move along a center axis. The pump also includes a first and second intake assembly, as well as a first and second discharge assembly, coupled to the actuator and respectively... Agent: Dla Piper US LLP

20080014101 - Device for supplying ink to a printing press: A device for supplying ink to a printing press, includes a piston pump and a hydraulic or pneumatic cylinder driving mechanism which drives the piston rod of the piston pump and the cylinder driving mechanism includes several cylinder chambers, which are separated from one another and each of which contains... Agent: Richard M. Goldberg

20080014102 - Fan and selecting method for motor size thereof: A fan includes a frame, an impeller and a motor. The impeller is accommodated in the frame. The motor connects and drives the impeller to rotate, and includes a rotor structure and a stator structure. The dimension Y of the frame and the diameter X of the stator structure meet... Agent: Birch Stewart Kolasch & Birch

20080014103 - Reagent dosing pump: A pump for pumping a liquid, the pump comprising an inlet, an outlet, a pumping chamber for receiving the liquid from the inlet, and an actuator arrangement operable between a first position and a second position and arranged to pump the liquid from the pumping chamber into the outlet, wherein... Agent: Delphi Technologies, Inc.

20080014104 - Fan, motor and bearing structure: A bearing structure has a bearing and a shockproof structure. The bearing is disposed in a bushing. The shockproof structure is disposed in the bushing for covering at least one portion of the outer wall of the bearing.... Agent: Birch Stewart Kolasch & Birch

20080014105 - Peristaltic pumping system: Peristaltic pumping system comprising a flexible tube, a substantially cylindrical rotating roller unit (8,11) containing a series of rollers (11) which are freely rotating around their axes and freely moving along a radial segment, holding means (8) for commonly holding the rollers (11), a central spreader element (5) for pushing... Agent: Nixon & Vanderhye, PC

20080014106 - Method of operation of a reciprocating positive-displacement pump and reciprocating positive-displacement pump: A method for operating a reciprocating positive displacement pump for the simultaneous low-pulsation discharge of a plurality of liquids, having for each liquid at least two pump chambers and displacement devices capable of movement therein, of which the one displacement device takes in liquid during the actual discharge phase of... Agent: Greer, Burns & Crain

01/10/2008 > patent applications in patent subcategories.

20080008600 - Variable focus optical devices: Variable focus optical devices, in particular lenses, can include a cavity at least partially defined by a flexible member (2), which may be retained between engaging portions of a frame member (8) and a ring member (12), such that a peripheral region of the membrane is caused to change direction,... Agent: Sughrue Mion, PLLC

20080008601 - Hydraulic pressure amplifier: A hydraulic pressure amplifier with a housing which has an end face at a low pressure side and an end face at a high pressure side and a circumferential wall between the two end faces, wherein an outlet valve is arranged adjacent the end face on the high pressure side,... Agent: Friedrich Kueffner

20080008602 - Compressor: A rotary liquefied natural gas boil-off compressor has a series of compression stages. A gas passage passes through the series of compression stages. The gas passage extends through and is in heat exchange relationship with cooling means in the form of indirect heat exchangers. Each of the heat exchangers is... Agent: The Boc Group, Inc.

20080008603 - Hermetric refrigerant compressor: The invention relates to a hermetically enclosed refrigerant compressor having a hermetically tight compressor housing inside of which a piston/cylinder unit that compresses a refrigerant operates with a suction valve having a suction opening located in a valve plate of the unit. A suction sound damper having a filling volume... Agent: William Collard Collard & Roe, P.C.

20080008604 - High-frequency control of devices internal to a hermetic compressor: A system for transmitting control signals to internal devices of a compressor is provided. The compressor includes a housing, a hermetic power terminal and a motor for powering the compressor. The system includes a frequency converter that is disposed externally of the compressor housing. The frequency converter converts a control... Agent: Mcnees Wallace & Nurick LLC

20080008605 - Transfer pump with several pistons: Transfer pump of the type in which the moving part for pumping is a bellows (4) that is alternately filled with and emptied of hydraulic liquid at high pressure by a piston (1) that is driven by a cam (2), whereby the amount of fuel allowed into the chamber (5)... Agent: Young & Thompson

20080008606 - Axially driven piston/cylinder unit: An axially driven piston/cylinder unit comprising a cylinder, a piston being movable between first and second piston positions in the axial direction of the cylinder, a fluid bearing between the piston and the cylinder and defining a bearing surface on the piston side enclosing said piston over a part of... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20080008607 - Linear compressor and corresponding drive unit: A drive unit for a linear compressor comprising a frame and an oscillating body. The oscillating body is mounted in the frame via at least one diaphragm spring and can be moved back and forth in one direction. The diaphragm spring comprises a plurality of limbs, fastened with one end... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20080008608 - Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigerant unit: There is provided a rotary compressor capable of preventing deterioration of performance following plug fixing carried out to prevent falling-off of a spring member. The rotary compressor comprises a cylinder constituting a rotary compression element, a roller engaged with an eccentric portion formed in a rotary shaft of an electric... Agent: Kratz, Quintos & Hanson, LLP

20080008609 - Positive displacement pump system and method: Systems and methods including a motor or electromagnets to control the movement of one or more pistons in a pumping chamber. The pumping chamber may include a pump inlet and a pump outlet in fluid communication with the pumping chamber. Surfaces on a piston or pumping chamber may include hydrodynamic... Agent: Fulbright & Jaworski L.L.P.

20080008610 - Piston/cylinder unit: A piston/cylinder unit comprising a cylinder, a piston which reciprocates in the axial direction of the cylinder between first and second piston positions, and a fluid bearing provided between the piston and the cylinder which supports the piston such as to be axially displaceable in the cylinder and defines the... Agent: Bsh Home Appliances Corporation Intellectual Property Department

Previous industry: Fluid reaction surfaces (i.e., impellers)
Next industry: Rotary expansible chamber devices


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