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Rotary expansible chamber devices December patent applications/inventions, industry category 12/09

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.
12/31/2009 > patent applications in patent subcategories.

20090324438 - Variable flow pumping system: A variable displacement pump and pump control system therefor to pump a fluid at selected pump output flow rates having a variable displacement pump and a fluid volume displacement selection controller to select a volume of fluid to be forced from the pump inlet to the pump outlet by the... Agent: Kinney & Lange, P.A.

12/24/2009 > patent applications in patent subcategories.

20090317275 - Scroll compressor: Provided is a scroll compressor that is capable of three-dimensional compression, ensuring a required wrap strength while increasing a shoulder section height of a spiral wrap, and facilitating wrap processing. The scroll compressor includes shoulder sections at an end surface and a bottom surface of spiral wraps of a paired... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090317276 - Scroll compressor having rotation prevention mechanism: Provided is a scroll compressor having a rotation prevention mechanism including: a housing for accommodating components; a drive unit for generating a rotational force; a suction part for sucking fluid from the exterior; a scroll compression part including a stationary scroll constituted of a spiral scroll wrap for compressing the... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20090317277 - Cooling system for gerotor motor: A hydraulic motor having a cooling system includes a stator, a rotor that rotates and orbits in the stator, a drive link connected to the rotor, and a housing connected with the stator. The housing includes a working fluid inlet port, a working fluid outlet port, a cooling fluid inlet... Agent: Rankin, Hill & Clark LLP

12/17/2009 > patent applications in patent subcategories.

20090311119 - Screw compressor capacity control: A screw compressor has a housing (22; 302) having first (53; 330) and second (58; 340) ports along a flowpath. A first rotor (26; 306) has a lobed body. A second rotor (28; 308, 310) has a lobed body enmeshed with the first rotor body. The rotors and housing cooperate... Agent: Bachman & Lapointe, P.C. (utc)

20090311120 - Gear pump: An intended purpose of this invention is to realize a gear pump suitable for delivery of high-pressure and high-viscosity fluids by using helical gears 2 and 3 meshing with each other. For this purpose, the gear pump includes introduction paths 121 and 131 for introducing the fluid from a discharge... Agent: Sughrue Mion, PLLC

12/10/2009 > patent applications in patent subcategories.

20090304538 - Modular multi-rotor compressor and method of manufacture: A multi-rotor compressor and method of manufacturing is provided. The compressor includes a housing with a plurality of identical planet rotors. The planet rotors are equally spaced apart at a fixed distance from a centerline. A single sun rotor is provided that is disposed to cooperate with the plurality of... Agent: Cantor Colburn, LLP

20090304539 - Motor-driven scroll type compressor: A motor-driven scroll type compressor has a motor that includes a rotary shaft and rotates the rotary shaft, a bearing for rotatably supporting front end of the rotary shaft, a fixed scroll member, a movable scroll member driven by rear end of the rotary shaft, compression chambers defined by the... Agent: Sughrue Mion, PLLC

20090304540 - Pd pumps with a common gearbox module and varying capacities and easy access to mechanical seals: Rotary lobe pump and circumferential piston pump designs are disclosed where the drive and driven shafts are detachably connected to their respective rotors. The rotors are disposed in a pump or rotor casing, which is sandwiched between a head cover and a gearbox. The drive and driven shafts pass through... Agent: Miller, Matthias & Hull

20090304541 - Gear pump, especially for a power steering system: The invention relates to a gear pump, especially for a power steering system, having a housing, a first cover and a second cover, the first cover being integrated into the housing.... Agent: Macmillan, Sobanski & Todd, LLC

12/03/2009 > 10 patent applications in 8 patent subcategories.
Previous industry: Pumps
Next industry: Powder metallurgy processes


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