| Patents for F04B 3 - Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage (444) |
|---|
| 10/21/2010 | WO2009021729A3 Heat engine |
| 09/28/2010 | US7802441 Heat pump with accumulator at boost compressor output |
| 09/14/2010 | US7793685 Controlling gas partial pressures for process optimization |
| 07/20/2010 | US7758317 Method of analyzing vaporization pattern of solvent and solvent vacuum vaporization device |
| 07/15/2010 | WO2010078739A1 A multi-cylinder translation compression device |
| 07/01/2010 | US20100166573 High-pressure generation device |
| 06/23/2010 | CN101755125A Linear compressor |
| 06/23/2010 | CN101018594B Blade heat exchanger |
| 05/27/2010 | DE102008058274A1 Control pump arrangement for alternating pressure impinging of hydraulic actuator, particularly in torque-vectoring system of vehicle, comprises master cylinder with connection for connecting master cylinder with actuator |
| 04/07/2010 | EP2171273A1 Linear compressor |
| 03/11/2010 | WO2010025511A1 A pump |
| 03/03/2010 | CN201416391Y Down-hole supercharger |
| 02/03/2010 | CN101641521A Hydraulic submersible pump with electric motor drive |
| 11/12/2009 | DE102008001540A1 Kolbenkompressor Piston Compressor |
| 10/22/2009 | US20090263258 Vibration dampening media in hydraulic power units |
| 09/24/2009 | DE19644883B4 Hydraulische Fahrzeugbremsanlage mit einer Schlupfregeleinrichtung und/oder einer Fahrdynamikregeleinrichtung Hydraulic vehicle brake system with a slip control device and / or an electronic stability control system |
| 09/17/2009 | WO2009065634A3 Fuel pump for producing high-pressure fuel |
| 09/15/2009 | US7588423 Pump for liquid chromatograph |
| 08/26/2009 | CN101517243A Hydrostatic drive unit |
| 08/12/2009 | EP1989443B1 Reciprocating-piston compressor having non-contact gap seal |
| 08/11/2009 | US7572110 Pumping apparatus using thermal transpiration micropumps |
| 08/05/2009 | CN201284727Y Two-stage flux plunger water pump and fire extinguishing system composed of the same |
| 07/28/2009 | US7566207 Dual pump transmission |
| 07/28/2009 | US7566205 Reciprocating pump and check valve |
| 07/08/2009 | CN101476552A Multi-cylinder translation compression device |
| 06/25/2009 | WO2009076713A1 Reciprocating pump actuated by wave energy |
| 06/17/2009 | EP2069640A1 Hydrostatic drive unit |
| 06/10/2009 | DE202008001461U1 Vorrichtung mit einem Förderkanal Device having a delivery channel |
| 04/30/2009 | DE102007050845A1 Valve-controlled hydro-machine i.e. hydro-pump, has working chamber connected with low-pressure line by low pressure-sided check valve and with high-pressure line by high pressure-sided check valve |
| 04/29/2009 | CN101421514A Reciprocating-piston compressor having non-contact gap seal |
| 04/01/2009 | EP2041433A1 Pumping machine or compressor and systems using such units |
| 03/12/2009 | WO2009030793A1 Pressure-intensifying mechanism |
| 03/10/2009 | CA2546390C Two-stage pressure relief valve |
| 02/11/2009 | CN100460672C Pump system for conveying lubricating oil |
| 01/29/2009 | WO2009013105A1 Linear compressor |
| 12/23/2008 | US7467517 Transducer or motor with fluidic near constant volume linkage |
| 12/23/2008 | CA2488851C Multi-directional pump |
| 12/18/2008 | WO2008151628A1 Two-step-pump |
| 12/10/2008 | CN100441863C Two-stage pressure relief valve |
| 11/20/2008 | WO2008105868A3 Economized refrigerant system utilizing expander with intermediate pressure port |
| 11/12/2008 | EP1989443A1 Reciprocating-piston compressor having non-contact gap seal |
| 10/23/2008 | WO2008124877A1 A magnetic drive fluid pump |
| 10/09/2008 | WO2008120539A1 High-pressure generation device |
| 09/09/2008 | US7422422 Compressor assembly with pressure relief valve fittings |
| 08/13/2008 | CN101240794A Method and device for reducing axial plunger pump geometric flow pulsation |
| 07/31/2008 | WO2008089551A1 Hydraulic submersible pump with electric motor drive |
| 07/31/2008 | WO2007130850A3 Single stage to two stage compressor |
| 07/24/2008 | WO2008005437A3 Positive displacement hydro pump |
| 07/22/2008 | CA2227859C Volumetric pump with bi-directional sphincter seal |
| 07/01/2008 | US7392737 Dynamic system for refrigeration equipment |
| 05/27/2008 | US7377755 Multi-stage rotary compressor |
| 04/24/2008 | US20080095643 Active intake pressure control of downhole pump assemblies |
| 04/03/2008 | WO2008037306A1 Hydrostatic drive unit |
| 03/12/2008 | CN100374177C Rotating compressor |
| 02/12/2008 | US7329105 Multi-directional pump |
| 01/17/2008 | WO2008007971A1 Pumping machine or compressor and systems using such units |
| 12/26/2007 | CN101094970A Dynamic system for refrigeration equipment |
| 10/30/2007 | US7287458 Yoke mechanism for compressor |
| 10/25/2007 | DE102006018186A1 Pump e.g. engine oil pump, for use in motor vehicle, has control devices adapted to control piston movement of pistons, where devices are operated in different phase positions, and adjusting device causing one of devices to adjust movement |
| 08/30/2007 | WO2007096127A1 Reciprocating-piston compressor having non-contact gap seal |
| 08/30/2007 | DE19801188B4 Fußpumpe zum Betrieb hydraulischer Werkzeuge, Zylinder o. dgl. Foot pump for operating hydraulic tools, cylinder o. The like. |
| 08/23/2007 | US20070196216 Wobble plate compressor |
| 08/15/2007 | CN101018594A Blade heat exchanger |
| 07/19/2007 | US20070166173 Multi-stage, multi-phase unitized linear liquid entrained-phase transfer apparatus |
| 06/21/2007 | DE102005060957A1 Pumping unit for a high-pressure pump has a pumping unit, a cylinder and multiple pistons and piston-guide devices for a sliding and lifting operation |
| 06/20/2007 | EP1798415A1 High pressure pump |
| 06/19/2007 | US7231894 Rotary positive displacement machine |
| 06/13/2007 | EP1795334A1 System for providing very high pressure with a cascade of several high pressure pump chambers placed one within the other |
| 06/07/2007 | US20070128050 System and method for a pump with reduced form factor |
| 06/05/2007 | US7226276 Multi-stage reciprocating vacuum pump and method of operating the same |
| 05/31/2007 | WO2007061956A2 System and method for a pump with reduced form factor |
| 05/18/2007 | WO2004090338A3 Dynamic system for refrigeration equipment |
| 05/01/2007 | CA2135836C Volumetric pump/valve |
| 04/12/2007 | WO2006009749A3 Blade heat exchanger |
| 03/22/2007 | US20070065300 Multi-stage compression system including variable speed motors |
| 02/01/2007 | US20070022759 Dynamic system for refrigeration equipment |
| 01/25/2007 | WO2006102481A3 Applicator and integrated concentrate system |
| 01/23/2007 | US7165950 Two-stage pressure relief valve |
| 01/10/2007 | CN1894503A Two-stage pressure relief valve |
| 12/13/2006 | CN1878954A Moving unit with valves and changing amount and changing speed and changing volum |
| 12/07/2006 | US20060275147 Inline multi pump coupling system |
| 11/30/2006 | WO2006044283A3 Refrigerant cycle with plural condensers receiving refrigeant at defferent pressure |
| 11/28/2006 | US7140846 Vacuum pump having main and sub pumps |
| 11/07/2006 | US7131285 Refrigerant cycle with plural condensers receiving refrigerant at different pressure |
| 10/04/2006 | EP1706639A2 Two-stage pressure relief valve |
| 08/10/2006 | DE102006000015A1 Hochdruckpumpe mit Tauchkolben High pressure pump plunger |
| 08/03/2006 | WO2005089091A3 Two-stage pressure relief valve |
| 07/26/2006 | EP0984803A4 Volumetric pump with sterility seal |
| 06/20/2006 | US7063513 Liquid chromatograph pump with dual cylinders and dual plungers |
| 06/20/2006 | US7063512 Pump stabilizer and method |
| 06/15/2006 | US20060127232 Multistage centrifugal pump |
| 06/08/2006 | WO2006060275A2 Fore-line preconditioning for vacuum pumps |
| 06/08/2006 | US20060120880 Variable discharge fuel pump |
| 05/25/2006 | US20060110263 Compressor |
| 05/23/2006 | US7048801 Chemical pump and method of discharging chemical solution |
| 05/18/2006 | US20060104827 Method and apparatus for pumping and diluting a sample |
| 05/18/2006 | US20060104826 High-pressure pump with a device for regulating the flow rate for a fuel-injection system |
| 04/20/2006 | US20060083627 Vapor compression system including a swiveling compressor |
| 04/20/2006 | US20060083626 Compressor and hermetic housing with minimal housing ports |
| 04/06/2006 | US20060073026 Oil balance system and method for compressors connected in series |