| Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981) |
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| 03/13/2013 | CN202789529U Crank shaft with variable offset and rotary type compressor using same |
| 03/13/2013 | CN202789528U Star wheel sheet |
| 03/13/2013 | CN202789526U Double-air-cooling type Root's vacuum pump |
| 03/13/2013 | CN202789525U Twin-stage enthalpy increasing compressor |
| 03/13/2013 | CN202789520U Helical-lobe compressor and slide valve thereof |
| 03/13/2013 | CN102971538A Vacuum pump |
| 03/13/2013 | CN102971537A 旋转式压缩机 Rotary compressor |
| 03/13/2013 | CN102971536A Supercharger timing gear oil pump |
| 03/13/2013 | CN102971535A Scroll fluid machine |
| 03/13/2013 | CN102966550A Top cover jacking mechanism of oil-gas separator |
| 03/13/2013 | CN102966549A Scroll compressor |
| 03/13/2013 | CN102966548A Scroll compressor |
| 03/13/2013 | CN102966547A Rotary supporting lubrication structure of rotary type compressor |
| 03/13/2013 | CN102966545A Compression device |
| 03/13/2013 | CN102251964B 旋转压缩机 Rotary compressor |
| 03/13/2013 | CN102094824B Self-sealing mechanism of scroll compressor |
| 03/13/2013 | CN101936292B 压缩机 Compressor |
| 03/13/2013 | CN101688535B Multicylinder rotary type compressor, and refrigerating cycle apparatus |
| 03/13/2013 | CN101311537B Tapered rotor assemblies for a supercharger |
| 03/11/2013 | DE202011108869U1 Halterung für Druckluftwerkzeuge an einer Kompressorvorrichtung Bracket for air tools on a compressor device |
| 03/07/2013 | WO2011134448A3 Vacuum pump |
| 03/07/2013 | DE10247668B4 Vakuumpumpe Vacuum pump |
| 03/06/2013 | EP2565460A1 Rotary compressor |
| 03/06/2013 | EP2565459A1 Rotary compressor |
| 03/06/2013 | EP2565458A1 Scroll compressor |
| 03/06/2013 | EP2565457A2 Vane-type compressor |
| 03/06/2013 | EP2565456A1 Screw compressor |
| 03/06/2013 | EP2565455A2 Scroll compressor having a shaft cover |
| 03/06/2013 | CN202768404U Noise enclosure for Roots blower |
| 03/06/2013 | CN202768403U Leak-free combined moving seal for open screw compressor |
| 03/06/2013 | CN202768401U Scroll motor driven compressor and shell thereof |
| 03/06/2013 | CN202768400U Compressor pump and compressor with same |
| 03/06/2013 | CN202768399U Air cylinder and rotor assembly of compressor with swinging rotor |
| 03/06/2013 | CN202768398U Swing piston-type electric vacuum pump |
| 03/06/2013 | CN202768397U Compressor roller with function of reducing oil discharge quantity and rotary compressor adopting same |
| 03/06/2013 | CN202768395U Scroll electric compressor |
| 03/06/2013 | CN102954000A Rotary compressor |
| 03/06/2013 | CN102953999A Rotary compressor |
| 03/06/2013 | CN102953998A Structure capable of reducing oil spitting amount of compressor |
| 03/06/2013 | CN102953997A Rotary compressor with compression pump separated from motor |
| 03/06/2013 | CN102953996A Compressor with compression pump body support member |
| 03/06/2013 | CN102953995A Compression pump with rotary rocker arm |
| 03/06/2013 | CN102953991A Totally-closed vortex-type compressor and assembling method thereof |
| 03/06/2013 | CN102953989A Floating scroll compressor |
| 03/06/2013 | CN101815869B Compressor assembly having electronics cooling system |
| 03/06/2013 | CN101451528B Roots-type blower reduced acoustic signature method and apparatus |
| 02/28/2013 | WO2013027237A1 Two-stage compressor, and heat pump device |
| 02/28/2013 | DE112009002719T5 Elektrischer Kompressor mit integriertem Wechselrichter The electric compressor with integrated inverter |
| 02/27/2013 | EP2562422A1 Rotary fluid machine |
| 02/27/2013 | CN202756250U Movable machine oil adding device of screw air compressor |
| 02/27/2013 | CN202756249U Oil supply system of screw type cooling compressor unit |
| 02/27/2013 | CN202756248U Secondary oil return preventing structure of rotary-vane vacuum pump |
| 02/27/2013 | CN202756247U Single-headed varying pitch threaded rod rotor even in tooth top width |
| 02/27/2013 | CN202756246U Equal-teeth and top width single-head varying pitch screw rotor |
| 02/27/2013 | CN202756244U Oil resistant sealed rotary vane pump |
| 02/27/2013 | CN202756243U Screw compressor |
| 02/27/2013 | CN102943760A Oil spraying prevention device of vacuum pump |
| 02/27/2013 | CN102943759A Electric vacuum pump |
| 02/27/2013 | CN102943758A Complete shut-off minitype swing/rolling rotor compressor and application thereof |
| 02/26/2013 | CA2565352C Compressor |
| 02/21/2013 | WO2013024117A2 Improved vacuum pump |
| 02/21/2013 | WO2012000066A3 Method for controlling a compressor element of a screw compressor |
| 02/21/2013 | WO2011151102A3 Gas pump with reduced noise generation |
| 02/21/2013 | WO2011066817A3 Vacuum pump |
| 02/21/2013 | US20130045126 Tapered sound outlet vane pump |
| 02/21/2013 | DE102011110498A1 Filter Filter |
| 02/20/2013 | EP2559903A1 Improved vacuum pump |
| 02/20/2013 | EP2559902A2 Compressor |
| 02/20/2013 | EP2559847A2 Rotary internal combustion engine with exhaust purge and method of operating the engine |
| 02/20/2013 | EP2558727A2 Liquid ring pump and method for operating a liquid ring pump |
| 02/20/2013 | EP2558726A2 Compressor flange for screw-type compressor |
| 02/20/2013 | EP2558722A2 Device for damping sloshing of oil for a screw-type compressor |
| 02/20/2013 | CN202746210U Air absorption structure of rotary compressor |
| 02/20/2013 | CN202746209U Radiating device of positive pressure conveying Roots blower of flour conveying pipeline |
| 02/20/2013 | CN202746208U Temperature control equipment for compressor, compressor component and refrigeration system |
| 02/20/2013 | CN202746207U Screw machine for mining |
| 02/20/2013 | CN202746206U Heat recovery energy-saving device for air conditioner |
| 02/20/2013 | CN102937094A Dry screw vacuum pump varying pitch screw |
| 02/20/2013 | CN102937093A Novel air compressor for locomotive |
| 02/20/2013 | CN101424265B 涡旋式压缩机 Scroll compressor |
| 02/14/2013 | WO2013022094A1 Sliding nut, sliding bearing for compressor, and cradle guide |
| 02/14/2013 | WO2012176991A3 Screw-type vacuum pump having a direct cooling device |
| 02/14/2013 | US20130039794 Gear pump with continuous variable output flow rate |
| 02/14/2013 | US20130039792 Compressor |
| 02/13/2013 | CN202737677U Stop device for motor rotor |
| 02/13/2013 | CN202732357U 制冷压缩机排气管连接结构 Refrigeration compressor discharge pipe connection structure |
| 02/13/2013 | CN202732356U Resonance noise elimination structure of rotating compressor |
| 02/13/2013 | CN202732355U 压缩机 Compressor |
| 02/13/2013 | CN202732354U 旋转式压缩机 Rotary compressor |
| 02/13/2013 | CN202732353U 旋转式压缩机 Rotary compressor |
| 02/13/2013 | CN202732352U Precision oil-gas separation device |
| 02/13/2013 | CN202732351U Oil-gas separation device of scroll compressor |
| 02/13/2013 | CN202732350U 旋转式压缩机 Rotary compressor |
| 02/13/2013 | CN202732349U Pipe connecting structure of rotary compressor |
| 02/13/2013 | CN202732348U Special steel pipe for shell of scroll type air condition compressor |
| 02/13/2013 | CN202732346U 压缩机及空调器 Compressors and air conditioners |
| 02/13/2013 | CN202732345U Vacuum air exhauster |
| 02/13/2013 | CN202732344U Pump body fixing component of rotary double-cylinder compressor, and rotary double-cylinder compressor |
| 02/13/2013 | CN202732342U Single-vane vacuum pump for engine |
| 02/13/2013 | CN202732341U Simplified root's blower |