| Patents for F04B 25 - Multi-stage pumps specially adapted for elastic fluids (1,208) |
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| 09/22/2010 | CN201588755U Arrangement structure of reciprocating compressor |
| 09/22/2010 | CN101842547A Oil well pump apparatus |
| 09/21/2010 | US7798787 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method |
| 09/15/2010 | EP2227636A1 Multi-level membrane suction pump |
| 08/25/2010 | CN201560910U Non-oil lubrication piston reciprocating type air compressor |
| 08/18/2010 | CN201554615U CNG substation compressor capable of being converted into standard station compressor |
| 08/05/2010 | WO2010088271A2 Unloader system and method for a compressor |
| 08/05/2010 | WO2010068026A3 Swash plate compressor |
| 08/05/2010 | WO2010068025A3 Swash plate compressor |
| 08/05/2010 | CA2749562A1 Unloader system and method for a compressor |
| 07/29/2010 | WO2010058998A3 Swash plate compressor with rotary valve |
| 07/28/2010 | CN101253327B Multi-cylinder, dry-running piston compressor comprising a cooling air flow |
| 07/21/2010 | CN201531389U Air compressor |
| 07/15/2010 | WO2010079939A1 Swash plate compressor |
| 07/15/2010 | WO2010078739A1 A multi-cylinder translation compression device |
| 07/08/2010 | WO2010077119A2 Variable displacement swash plate type compressor |
| 07/07/2010 | CN201521415U Piston type secondary compression hydraulic compressor |
| 07/01/2010 | WO2010071948A1 A multi-stage pump system |
| 07/01/2010 | US20100162750 Expander-compressor unit and refrigeration cycle apparatus having the same |
| 06/24/2010 | US20100154442 Portable Refrigerant Recovery Machine |
| 06/23/2010 | CN101749211A Balancing segment structure of high-pressure nitrogen and hydrogen gas compressor |
| 06/17/2010 | WO2010068026A2 Swash plate compressor |
| 06/17/2010 | WO2010068025A2 Swash plate compressor |
| 06/17/2010 | US20100150746 Compressor |
| 06/16/2010 | CN101737294A Inflator of racing bicycle |
| 06/10/2010 | US20100143172 Multistage Compressor |
| 05/27/2010 | WO2010058998A2 Swash plate compressor with rotary valve |
| 05/26/2010 | CN201486811U Spiral sealing element of pressure vacuum pump |
| 05/19/2010 | CN101285462B Piston reciprocating compressor step compression method and system |
| 05/18/2010 | US7717681 Leak detector comprising a vacuum apparatus |
| 04/21/2010 | CN201439746U Air compressor |
| 04/06/2010 | US7690899 Piston pump |
| 03/25/2010 | DE102004051359B4 Kompressorsystem sowie damit ausgestattetes Brennstoffzellensystem und Verfahren zur Luftversorgung eines Brennstoffzellensystems A compressor system and equipped therewith fuel cell system and method for supplying air to a fuel cell system |
| 03/18/2010 | US20100064707 Multi-stage compressor |
| 03/10/2010 | EP2161451A1 Piston compressor |
| 03/10/2010 | CN201420659Y Vertical reciprocating plunger type oxygen compressor |
| 02/24/2010 | CN201412291Y Cylinder oil-free and water-cooling three-stage compressor integrated system |
| 02/18/2010 | US20100040485 High Pressure Dual-Action Hydraulic Pump |
| 02/18/2010 | US20100040483 Compressible fluid pumping system |
| 02/03/2010 | CN100587264C Vacuum discharging device and method |
| 01/21/2010 | US20100014992 Reciprocating positive-displacement compressors |
| 12/31/2009 | US20090324430 Compressors units |
| 12/17/2009 | WO2009151259A1 Reciprocating compressor with rotary valve |
| 12/17/2009 | US20090311114 Multi-stage piston compressor |
| 12/16/2009 | EP2133568A1 Multi-stage piston compressor |
| 12/09/2009 | CN201358901Y Three-level compression diaphragm compressor |
| 12/03/2009 | WO2009143547A1 Method and device for conveying compressed gas |
| 12/03/2009 | US20090297368 Single Piece Water Over Air Intercooler for a Reciprocating Air Compressor |
| 11/25/2009 | EP2122169A1 Fluid machine |
| 11/18/2009 | CN201347846Y Gas secondary pressurizing high pressure booster pump |
| 11/11/2009 | EP2116723A2 Piston compressor |
| 10/29/2009 | US20090269212 High-pressure compressor and its use and method for operating it |
| 10/28/2009 | EP2052156B1 Multi-stage compressor |
| 09/24/2009 | WO2009046108A3 Oil well pump apparatus |
| 09/17/2009 | WO2009112500A1 Crank drive |
| 09/17/2009 | WO2009112479A1 Device and method for preparing liquefied natural gas (lng) fuel |
| 09/17/2009 | US20090232686 Integrated Catalyst |
| 09/15/2009 | US7588423 Pump for liquid chromatograph |
| 09/10/2009 | US20090223246 Liquid Hydrocarbon Slug Containing Vapor Recovery System |
| 09/03/2009 | US20090220358 Unequal length alternating hydraulic cylinder drive system for continuous material output flow with equal material output pressure |
| 09/03/2009 | US20090220357 Multistage compressor |
| 09/03/2009 | US20090217655 Cooling System for Construction Machine |
| 08/27/2009 | US20090214361 Oil-less compressor with seal-dust protection |
| 08/20/2009 | WO2009100884A1 Method and device for supplying a compressor in an internal combustion engine with compressed air |
| 08/20/2009 | CA2715091A1 Method and device for supplying a compressor in an internal combustion engine with compressed air |
| 08/19/2009 | CN101512150A Compressor |
| 08/12/2009 | EP1989443B1 Reciprocating-piston compressor having non-contact gap seal |
| 08/06/2009 | US20090193842 Turbo compressor and turbo refrigerator |
| 07/28/2009 | US7566206 Linear compressor for multi-stage compression |
| 07/22/2009 | EP1934476B1 Installation for high pressure compression with several stages |
| 07/21/2009 | US7563078 Reciprocating compressor |
| 07/09/2009 | US20090175738 Process and Device for the High-Pressure Delivery of a Fluid Mixture and Use of Same |
| 07/09/2009 | DE10246200B4 Ölzufuhrvorrichtung für einen Doppelkolbenverdichter Oil supply device for a double piston compressor |
| 07/09/2009 | CA2710270A1 Radial cam-driven compressor and cam-driven compressor assemblies |
| 06/25/2009 | US20090159577 Multi-Stage Compressor in a Plasma Cutter |
| 06/17/2009 | EP2071186A2 Vacuum pump and its operating method |
| 06/11/2009 | WO2009070906A1 Compressor and apparatus for compressing two gases at high pressure |
| 06/10/2009 | EP2067992A1 Compressor and apparatus for compressing two gases at high pressure |
| 06/04/2009 | WO2009068180A1 Multi-level membrane suction pump |
| 06/03/2009 | CN101446276A Multistage high-pressure pump with double-layer pump body |
| 05/28/2009 | WO2009066903A1 A variable displacement compressor having refrigerant flowing function in driving shaft |
| 05/28/2009 | WO2009066902A1 Variable displacement swash plate type compressor |
| 05/22/2009 | WO2009062583A1 Two-stage air compressor |
| 05/20/2009 | EP2059677A1 Compressor |
| 05/12/2009 | US7530798 Multistage compressor for compressing gases |
| 05/06/2009 | CN201232617Y Double-core air compressor |
| 04/29/2009 | EP2052156A1 Multi-stage compressor |
| 04/29/2009 | CN101421514A Reciprocating-piston compressor having non-contact gap seal |
| 04/29/2009 | CN101418790A Adjacent cylinder sealing device for gradation type reciprocating compressor or expansion machine |
| 04/28/2009 | CA2488982C Compressor assembly with reciprocating piston and vented cylinder |
| 04/28/2009 | CA2296254C Two stage oil free air compressor |
| 04/09/2009 | WO2009046108A2 Oil well pump apparatus |
| 04/09/2009 | CA2687317A1 Oil well pump apparatus |
| 04/08/2009 | CN100476206C Cooling device for air compressor |
| 04/01/2009 | EP1395754B1 Multi-step piston compressor |
| 03/11/2009 | CN100467865C Compressor |
| 03/11/2009 | CN100467864C 压缩机 Compressor |
| 02/25/2009 | EP1366292B1 Dry-running piston compressor (crankshaft drive lubrication) |
| 02/19/2009 | US20090047144 Fluid Compressor and Motor Vehicle Refuelling Apparatus |
| 02/19/2009 | US20090047143 Method and system for high viscosity pump |