| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 07/15/2009 | EP2078862A2 Rotary compressor |
| 07/15/2009 | EP2078861A2 Two-stage rotary compressor |
| 07/15/2009 | CN201273281Y Frame head apparatus of translational rotary compressor |
| 07/15/2009 | CN201273280Y Sliding plate type air compressor |
| 07/15/2009 | CN201273279Y Integral translational rotating compression device |
| 07/15/2009 | CN101484704A Cyclone compressor |
| 07/15/2009 | CN101482117A Two-stage rotary compressor |
| 07/15/2009 | CN101482116A Large-eccentricity slide type vacuum-pressure composite air pump |
| 07/15/2009 | CN101482115A Screw rod compressor |
| 07/15/2009 | CN101482114A Airtight electric compressor |
| 07/15/2009 | CN101482113A Scroll compressor with device to limit orbit radius |
| 07/15/2009 | CN100513794C Compressor sound attenuation enclosure |
| 07/15/2009 | CN100513792C Compressor driving device and freezing air conditioner device |
| 07/15/2009 | CN100513791C An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 07/14/2009 | US7559754 Internal gear pump in combustion engine |
| 07/14/2009 | US7559752 Dual-shaft vacuum pump |
| 07/14/2009 | US7559750 Overheating protection apparatus of scroll compressor |
| 07/09/2009 | WO2009084641A1 Screw compressor |
| 07/09/2009 | WO2009084338A1 Scroll compressor |
| 07/09/2009 | WO2009084233A1 Screw compressor |
| 07/09/2009 | WO2009084218A1 Single screw compressor |
| 07/08/2009 | CN201269192Y Vacuum pump |
| 07/08/2009 | CN101476563A Rotary compressor with plunger type enthalpy adding apparatus |
| 07/08/2009 | CN101476562A Cyclone compressor |
| 07/08/2009 | CN101476561A Cyclone compressor |
| 07/08/2009 | CN100510578C Compressor |
| 07/08/2009 | CN100510421C Variable capacity compressor |
| 07/08/2009 | CN100510418C 旋转压缩机 Rotary compressor |
| 07/08/2009 | CN100510417C Double working-chamber flat-moving rotor type compressor |
| 07/08/2009 | CN100510416C Rotary compressor |
| 07/08/2009 | CN100510415C Sliding blade and air cylinder together circle center type rotary compressor |
| 07/08/2009 | CN100510414C Vortex fluid machinery |
| 07/08/2009 | CN100510413C Scroll compressor |
| 07/08/2009 | CN100510412C Closed rotary compressor |
| 07/08/2009 | CN100510411C Rotary compressor |
| 07/08/2009 | CN100510405C Compressor diagnostic system |
| 07/08/2009 | CN100510396C High-low pressure dome type compressor |
| 07/07/2009 | US7556485 Rotary compressor with reduced refrigeration gas leaks during compression while preventing seizure |
| 07/07/2009 | US7556484 Compressor having a small-width portion and a large-width portion in an inner circumferential sliding surface of a swinging roller |
| 07/07/2009 | US7556483 Electronic compressor having a reservoir chamber and an oil return passage for connecting the reservoir chamber with a suction chamber |
| 07/07/2009 | US7556482 Scroll compressor with enhanced lubrication |
| 07/07/2009 | US7556015 Rotary device for use in an engine |
| 07/02/2009 | WO2009081962A1 Gate rotor and screw compressor |
| 07/02/2009 | WO2009081788A1 Screw compressor |
| 07/02/2009 | WO2009053012A3 A vacuum pump having a single vane |
| 07/02/2009 | WO2009051380A3 Scroll compressor |
| 07/01/2009 | EP2075470A2 Motor-driven compressor |
| 07/01/2009 | EP2075405A2 Vane-type compressor |
| 07/01/2009 | CN201265527Y 空气压缩机 Air Compressor |
| 07/01/2009 | CN201265526Y Vortex disk for vortex compressor |
| 07/01/2009 | CN101469707A Vane-type compressor |
| 07/01/2009 | CN101469706A Electric compressor |
| 07/01/2009 | CN101469705A Rotary vane type compressor |
| 07/01/2009 | CN101469704A Scroll type fluid machine |
| 07/01/2009 | CN101469703A Compressor |
| 07/01/2009 | CN100507275C Low-noise compact type mobile single-screw compressor |
| 06/30/2009 | US7553308 Hair treatment method |
| 06/30/2009 | US7553143 Lobe pump system and method of manufacture |
| 06/30/2009 | US7553142 Lubrication system for compressor |
| 06/30/2009 | US7553141 Rotary fluid machine with a suction shutoff angle of the outer cylinder chamber being greater than a suction shutoff angle of the inner cylinder chamber |
| 06/30/2009 | US7553140 Flanged sleeve guide |
| 06/30/2009 | US7553139 Progressing cavity pump with wobble stator and magnetic drive |
| 06/30/2009 | US7553138 Rotary screw machine of volume type and method of transforming a motion in a volume screw machine |
| 06/30/2009 | US7553134 Switch valve structure of fluid machine |
| 06/25/2009 | WO2009078590A1 Pump |
| 06/25/2009 | WO2009078178A1 Screw compressor |
| 06/25/2009 | WO2009050126A4 Scroll device for compression or expansion |
| 06/25/2009 | US20090162231 Scroll compressor |
| 06/25/2009 | DE102007060174A1 Vakuumpumpe sowie Verfahren zum Betreiben einer Vakuumpumpe Vacuum pump and method of operating a vacuum pump |
| 06/24/2009 | EP2072822A2 Motor-driven compressor |
| 06/24/2009 | EP2072821A2 Motor-driven compressor |
| 06/24/2009 | EP2072754A2 Motor-driven compressor with multi-part casing |
| 06/24/2009 | CN201262150Y Immersion type three-screw rod pump |
| 06/24/2009 | CN101463816A Roots vacuum pump |
| 06/24/2009 | CN101463815A Full-vortex spin-dry type vacuum pump |
| 06/24/2009 | CN101463814A Motor-driven compressor |
| 06/24/2009 | CN100504070C Terminal cover, sealed type electromotive compressor and refrigerant cycle device |
| 06/23/2009 | US7549851 Rotary fluid machine having a pair of rotation mechanisms and a partition plate disposed between the rotation mechanisms |
| 06/23/2009 | US7549850 Rotary mechanism |
| 06/18/2009 | WO2009074408A2 Vacuum pump, and method for operating a vacuum pump |
| 06/18/2009 | WO2009035641A9 Compressor having a shutdown valve |
| 06/18/2009 | WO2009035619A8 Compressor having shell with alignment features |
| 06/18/2009 | US20090152009 Nano particle reinforced polymer element for stator and rotor assembly |
| 06/18/2009 | US20090151389 Motor-driven compressor |
| 06/18/2009 | DE102007060147A1 Drehschiebervakuumpumpe Rotary vane vacuum pump |
| 06/18/2009 | DE102007059938A1 Vakuumpumpe und Verfahren zum Betrieb A method of operating vacuum pump and |
| 06/17/2009 | EP2071191A2 Vacuum pump housing |
| 06/17/2009 | EP2071123A2 Turning head vacuum pump with modified shaft bearing |
| 06/17/2009 | EP2069638A1 Compressor data module |
| 06/17/2009 | EP1907704B1 Oil-injected compressor with means for oil temperature regulation |
| 06/17/2009 | CN100501167C Compressor |
| 06/17/2009 | CN100501166C Vortex type compressor |
| 06/17/2009 | CN100501165C 涡旋式流体机械 The scroll-type fluid machine |
| 06/17/2009 | CN100501164C Scroll compressor |
| 06/16/2009 | US7547202 Scroll compressor with capacity modulation |
| 06/11/2009 | WO2009072307A1 Single screw compressor |
| 06/11/2009 | WO2002061283A3 Scroll vacuum pump with improved performance |
| 06/11/2009 | US20090148314 Scroll Fluid Machine |
| 06/10/2009 | EP2067998A2 Roots-type blower reduced acoustic signature method and apparatus |
| 06/10/2009 | EP2067997A1 Fluid machine |