Featured patents

Piston Member, an Apparatus Comprising the Piston Member, and Methods and Use of the Piston Member and the Apparatus
US 08721299 B2, May 13, 2014, Reciprocating rigid stages, Thomas Koch et al. / Thermochem Recovery International, Inc. (Baltimore, US)
A piston member comprising…

Reciprocating Compressor or Pump and a Portable Tool Powering System Including a Reciprocating Compressor
US 08721300 B2, May 13, 2014, Radial cylinders, Lloyd Dean Penner et al. / (Calgary, Alberta, CA)
A reciprocating compressor comprising:…

Scroll Compressor
US 08672646 B2, March 18, 2014, Helical pumping member having planetary movement, Takeshi Fushiki et al. / Mitsubishi Electric Corporation (Chiyoda-Ku, Tokyo, JP)
A scroll compressor, in which there are provided a refrigerant, an electric motor…

Combined Gas and Liquid Pump
US 08651833 B2, Feb. 18, 2014, Rotary expansible chamber pump, David Heaps et al. / Wabco Automotive UK Limited (Morley, Leeds, GB)
A combined gas and liquid pump for an internal combustion engine, the pump…

Liquid Ring Vacuum Pump for Degassing Molten Plastic
US 08608451 B2, Dec. 17, 2013, With diverse pump, Detlef Gneuss / Gneuss Kunststofftechnik GmbH (Bad Oeynhausen, DE)
A liquid ring vacuum pump for degassing molten plastic, the pump comprising:…

Ejector Pump
US 08579596 B2, Nov. 12, 2013, Including jet pump, Graeme Huntley / Edwards Limited GB
A pumping arrangement comprising:…

Dynamic Port for Measuring Reactor Coolant Pump Bearing Oil Level
US 08568105 B2, Oct. 29, 2013, Responsive to accumulation of pumped liquid in receiver, David R. Brady et al. / Westinghouse Electric Company LLC (Cranberry Township, US)
A nuclear reactor coolant pump motor, comprising:…

Multi-Stage Compressor
US 08568107 B2, Oct. 29, 2013, Rotary expansible chamber type precedes reciprocating, Ernst Huttar / Leobersdorfer Maschinenfabrik AG (Vienna, AT)
A multi-stage compressor for compressing gases comprising a low-pressure region…

High-Pressure Pump for Supplying Fuel to an Internal-Combustion Engine
US 08523534 B2, Sept. 3, 2013, Rotary expansible chamber type precedes reciprocating, Vito Spinelli et al. / Robert Bosch GmbH (Stuttgart, DE)
A high-pressure pump for supplying fuel to an internal-combustion engine,…

Compressor Muffler
US 08496446 B2, July 30, 2013, With Muffler Acting on Pump Fluid, Heng-Yi Lai / Carrier Corporation (Farmington, US)
A muffler for a compressor used in a refrigeration system comprising:…

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