| Patents for F04B 41 - Pumping installations or systems specially adapted for elastic fluids (2,502) |
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| 01/27/2009 | US7481051 Tree feller power management |
| 01/22/2009 | WO2009011431A1 Air compressor |
| 01/22/2009 | WO2009010048A1 Compressed-air compressor |
| 01/21/2009 | CN100453805C Compressor with rotating handle |
| 01/20/2009 | CA2493895C Method and apparatus for reducing inrush current in a multi-stage compressor |
| 01/14/2009 | EP2013479A2 Control valve assembly for a compressor unloader |
| 01/14/2009 | EP1511575B1 Adjustable flow texture sprayer with peristaltic pump |
| 01/08/2009 | US20090010774 Air Compressor and Reservoir For Topping Off Low Pressure Tires |
| 01/07/2009 | CN201176918Y Portable oil-free compressor improvement structure |
| 01/01/2009 | US20090004024 Multi-channel controller |
| 12/31/2008 | EP2007918A2 Vacuum pumping system |
| 12/31/2008 | CN101332398A Compressed air purification system |
| 12/30/2008 | US7470117 Variable discharge fuel pump |
| 12/30/2008 | CA2546985C Compression system with multiple inlet streams |
| 12/24/2008 | CN201170168Y Air compressor pressure regulating device with manual pressure relief switch |
| 12/24/2008 | CN201170166Y Novel pressure regulating device of air compressor |
| 12/18/2008 | DE202007015137U1 Kompressorenkonzept Compressor concept |
| 12/17/2008 | CN201165962Y Portable low noise air compressor |
| 12/17/2008 | CN201165961Y Mobile low noise air compressor |
| 12/17/2008 | CN201165952Y Manual air compressor |
| 12/16/2008 | US7464673 Single-ended barrel engine with double-ended, double roller pistons |
| 12/11/2008 | WO2007127331A3 Fluid distribution system |
| 12/10/2008 | CN201162667Y Miniature air compressor |
| 12/10/2008 | CN201162645Y Straight line compressor |
| 12/10/2008 | CN101319669A High/low pressure inflating pump |
| 12/04/2008 | WO2008021503B1 Air supply mechanism for ventricular assist system |
| 12/03/2008 | CN101316696A 密封打气装置 Up device |
| 12/03/2008 | CN100439710C Air compressor with improved hand portability |
| 12/03/2008 | CN100439709C Air compressor with inlet control mechanism and automatic inlet control mechanism |
| 12/02/2008 | US7458784 Suitcase style air compressor assembly |
| 11/27/2008 | DE19943119B4 Luftversorgungseinrichtung für ein Endoskop Air supply device for an endoscope |
| 11/26/2008 | EP1993893A1 Compressor assembly |
| 11/26/2008 | EP1763637B1 Arrangement and method for a compressed air system |
| 11/19/2008 | CN101307754A Multistaging gas compression device |
| 11/18/2008 | US7452193 Adjustable pump assembly with single motor and multiple pumps |
| 11/06/2008 | US20080273994 Air compressor system |
| 11/06/2008 | US20080273989 Multi-stage gas compressing apparatus |
| 10/30/2008 | US20080264305 Compressor packing member |
| 10/29/2008 | CN101294572A Multi-stage gas compressing apparatus |
| 10/23/2008 | WO2008021503A3 Air supply mechanism for ventricular assist system |
| 10/16/2008 | WO2008124281A1 Air compressor system |
| 10/16/2008 | WO2007120506A3 Control valve assembly for a compressor unloader |
| 10/16/2008 | CA2682880A1 Air compressor system |
| 10/15/2008 | EP1654461B1 Portable air compressor |
| 10/15/2008 | CN101285464A Combination pressure switch |
| 10/15/2008 | CN101285457A Portable pressure-air compressor |
| 10/15/2008 | CN100425835C Method for controlling a compressed air installation comprising several compressors, control box applied thereby and compressed air installation applying this method |
| 10/09/2008 | WO2008121503A1 Two-pump air compressor |
| 10/09/2008 | DE102007016385A1 Pumpstand Pumping |
| 10/08/2008 | EP1978252A1 Portable air compressor |
| 10/08/2008 | CN201128375Y Supercharging device matched with electric motor |
| 10/08/2008 | CN101280774A Portable air compressor |
| 10/08/2008 | CN100424344C Pancake compressor |
| 10/06/2008 | CA2628545A1 Smart blow-down system for variable frequency drive compressor units |
| 10/02/2008 | US20080240936 Portable air compressor |
| 10/01/2008 | EP1975407A2 Two-pump air compressor |
| 10/01/2008 | CN100422660C Vacuum device |
| 10/01/2008 | CN100421812C Adjustable flow texture sprayer with peristaltic pump |
| 09/30/2008 | US7429087 Air system instalation to be applied in tractors, combine harvesters, crop-sprayers, sewers, grain augers, hoppers, trailers, wagons, carts and towing vehicles to support and transport different kinds of cargos such as cereals |
| 09/30/2008 | CA2492465C Stability control system and method for centrifugal compressors operating in parallel |
| 09/29/2008 | CA2620990A1 Two-pump air compressor |
| 09/23/2008 | US7426995 Compressor packing member |
| 09/16/2008 | CA2593384C Hydraulic system having boost pump in parallel with a primary pump, and a boost pump drive therefor |
| 09/10/2008 | CN101260879A Protection system for air compressor assembly |
| 09/04/2008 | US20080213114 Pump |
| 09/03/2008 | EP1965157A2 Fail-safe oil lubricated helium compressor unit with oil-free gas delivery |
| 08/27/2008 | EP1960670A2 System and method for operation of a pump |
| 08/27/2008 | CN101251103A Air compressor with improved hand portability |
| 08/20/2008 | CN201103391Y Hydraulic pressure test pressurizing pump of well control device |
| 08/19/2008 | US7413414 Air compressor assembly |
| 08/13/2008 | EP1409150A4 Portable tool box |
| 08/12/2008 | CA2351989C Compressor installation with water-injected compressor element |
| 08/06/2008 | EP1953386A2 Compact portable air compressor unit |
| 08/06/2008 | CN101238295A Compressor for high pressure polymerization |
| 07/31/2008 | WO2008092086A2 Multiple configuration air mattress pump system |
| 07/31/2008 | WO2008054858A3 Anionic fuel cells, hybrid fuel cells, and methods of fabrication thereof |
| 07/31/2008 | US20080181795 Multiple configuration air mattress pump system |
| 07/31/2008 | DE19911741B4 Vorrichtung und Verfahren zur Luftaufbereitung, insbesondere für pneumatische Bremsanlagen von Kraftfahrzeugen Apparatus and method for air treatment, especially for pneumatic brake systems of motor vehicles |
| 07/30/2008 | EP1431581B1 Compressed air retrieval device of compressor |
| 07/30/2008 | CN100406815C 冷冻装置 Refrigeration unit |
| 07/24/2008 | US20080175717 System and method of operation of multiple screw compressors with continuously variable speed to provide noise cancellation |
| 07/24/2008 | US20080173351 Valve connector |
| 07/23/2008 | EP1947332A1 Pump apparatus |
| 07/23/2008 | CN101225814A Minitype air-supply machine |
| 07/10/2008 | WO2008033677A3 Head discharging compressor system |
| 07/02/2008 | CN101213370A Fast energy-saving chamber pumping |
| 07/01/2008 | US7392825 Arrangement for tool equipment |
| 06/25/2008 | CN100396923C Air compressor and control method therefor |
| 06/17/2008 | US7387498 System and method for noise attenuation of screw compressors |
| 06/11/2008 | CN100394039C Liquid cooled electric driven rotordynamic system |
| 06/05/2008 | WO2008064457A1 A compressor |
| 06/05/2008 | US20080131258 Method for Optimizing the Functioning of a Plurality of Compressor Units and Corresponding Device |
| 06/04/2008 | CN201068913Y Air compressor movable air tank positioning and quick-locking device |
| 05/27/2008 | USRE40344 Scroll machine with ported orbiting scroll member |
| 05/14/2008 | EP1920162A1 Compressor for high pressure polymerization |
| 05/14/2008 | EP1678446B1 Vacuum device |
| 05/01/2008 | US20080101970 Pumping apparatus having a varying phase relationship between reciprocating piston motions |
| 04/30/2008 | CN100385116C Air compressor using variable frequency speed-pressure regulation |
| 04/29/2008 | US7364410 Pressure storage structure for use in air |
| 04/24/2008 | WO2008046229A1 Mobile wear and tear resistant gas compressor |