| Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236) |
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| 06/30/2005 | WO2005059360A1 Piston pump |
| 06/30/2005 | WO2004111509A8 Three-way poppet valve for work exchanger |
| 06/30/2005 | US20050142012 Rodder pump |
| 06/30/2005 | US20050141959 Power transmission mechanism capable of preventing breakage of a rotating shaft |
| 06/30/2005 | US20050140743 Piezoelectric film, piezoelectric element, piezoelectric actuator, piezoelectric pump, ink-jet type recording head, ink-jet printer, surface-acoustic-wave element, thin-film piezoelectric resonator, frequency filter, oscillator, electronic circuit, and electronic apparatus |
| 06/30/2005 | US20050139002 Pump actuated by diaphragm |
| 06/29/2005 | EP1548284A2 A diaphragm pump |
| 06/29/2005 | EP1547670A1 Pressure exchanger system |
| 06/29/2005 | EP1545656A1 An infusion pump system, an infusion pump unit and an infusion pump |
| 06/29/2005 | EP1284367B1 High-pressure fuel pump |
| 06/29/2005 | CN1632309A 杠杆式空气压缩机 Leveraged air compressor |
| 06/28/2005 | US6910407 Fuel injection pump |
| 06/23/2005 | US20050132479 Compressed air drain opening device |
| 06/23/2005 | DE10355029A1 Hochdruckpumpe, insbesondere für eine Kraftstoffeinsprizeinrichtung einer Brennkraftmaschine High pressure pump, in particular for a Kraftstoffeinsprizeinrichtung an internal combustion engine |
| 06/22/2005 | EP1544463A2 A micro fluid pumping device and a pumping method for same |
| 06/22/2005 | EP1375916B1 Micro pump |
| 06/22/2005 | CN2705632Y Seal ring for piston type liquid pumping device |
| 06/22/2005 | CN2705624Y Piston type water pump |
| 06/16/2005 | US20050129529 Device and method for pumping fluids employing the movement of gas bubbles in microscale |
| 06/16/2005 | US20050127088 Constant pressure fluid-dispensing pumping system and method |
| 06/15/2005 | EP1540178A1 Hydraulic amplification device for a high-pressure pumping system |
| 06/15/2005 | EP1171710B1 Pump system for delivering cryogenic liquids |
| 06/09/2005 | WO2005053145A1 Driving element |
| 06/09/2005 | WO2005052356A2 Fuel-injection device for an internal combustion engine |
| 06/09/2005 | US20050123416 Combined piston fluid motor and pump |
| 06/08/2005 | EP1537334A1 Pump, especially for a fuel injection device for an internal combustion engine |
| 06/02/2005 | WO2005050014A1 Magnetostriction pump |
| 06/02/2005 | WO2005050011A1 Circulating fluid drive force system |
| 06/02/2005 | US20050118038 Method and device for regulating fluid pump pressures |
| 06/02/2005 | DE10158182B4 Doppeltwirkender hydraulischer Druckverstärker Double acting hydraulic intensifiers |
| 06/01/2005 | EP1536546A1 Linear actuator, and pump and compressor devices using the actuator |
| 06/01/2005 | EP1536135A2 A pump |
| 06/01/2005 | EP0846226B1 Reciprocating machine |
| 06/01/2005 | CN2703142Y Five-cylinder pump crankshaft |
| 06/01/2005 | CN1621686A 隔膜泵系统 Diaphragm system |
| 05/31/2005 | US6898979 Automobile air conditioning system hand held pressure measuring device |
| 05/26/2005 | US20050112004 Pump |
| 05/25/2005 | EP1531887A1 Device for the dosed discharge of a liquid agent and infusion pump |
| 05/25/2005 | CN2702078Y Pneumatic hydraulic pump |
| 05/25/2005 | CN1618612A Liquid injector with micro-mechanoelectric device |
| 05/19/2005 | WO2005045244A1 Hydraulic motor having bellows, and metering pump comprising said motor |
| 05/19/2005 | DE20380319U1 Flüssigkeitsdruckpumpe Fluid pressure pump |
| 05/19/2005 | DE10347190A1 Drive system using eccentric for reciprocating piston of piston pump has hinged intermediate blade following cam or eccentric and pivoting on bearing taking side thrust due to frictional drag |
| 05/18/2005 | CN2700599Y High pressure radial-plunger oil pump |
| 05/18/2005 | CN1617750A Rotating compressor |
| 05/18/2005 | CN1202351C Lubricant oil pump unit |
| 05/12/2005 | WO2005042172A1 Dispenser pump |
| 05/12/2005 | WO2005033506A3 Gas compressor |
| 05/12/2005 | WO2005000731A3 Diaphram metering chamber dispensing systems |
| 05/12/2005 | WO2004065544A3 Cell suspension rotating fluidic pump |
| 05/12/2005 | US20050100454 Device for circulating sealing gas for mechanical dry seals of a centrifugal compressor at times when the machine is stationary and pressurized |
| 05/12/2005 | US20050100452 Infusion pump system of fluid for medical purposes |
| 05/11/2005 | EP1208287A4 Airless spray pump |
| 05/06/2005 | WO2005017299A3 Pump for tail production of oil |
| 05/06/2005 | WO2004103888A3 Systems and methods for providing a dynamically adjustable reciprocating fluid dispenser |
| 05/05/2005 | US20050095147 Pump system for delivering pressurized liquid |
| 05/04/2005 | EP1527827A2 Steam cleaning apparatus |
| 05/04/2005 | CN2697343Y Liquid spraying pump |
| 05/03/2005 | US6887045 Hydraulic transformer |
| 04/28/2005 | WO2005038234A1 Fuel pump with multiple cams |
| 04/27/2005 | CN2695673Y Manual variable axial plunger pump |
| 04/27/2005 | CN2695672Y Small displacement manual variable axial plunger pump |
| 04/27/2005 | CN2695671Y Linear electric motor driven type double-action reciprocating filling pump |
| 04/27/2005 | CN2695670Y Swinging angle type radial plunger variable pump |
| 04/26/2005 | US6884040 Multi pumping chamber magnetostrictive pump |
| 04/26/2005 | US6883565 Air pump for bicycles |
| 04/26/2005 | CA2337542C Pump with a membrane forming a spring and container thus equipped |
| 04/26/2005 | CA2337167C Pump consisting of a movable part equipped with a central line and a membrane with attachment devices supporting the central line, and container equipped with such a pump |
| 04/21/2005 | US20050084395 Vacuum driven pump for a lavage instrument |
| 04/21/2005 | US20050084394 Fuel pump override system |
| 04/21/2005 | DE10351879B3 Steam cleaning device for surfaces including walls of building has electrically-driven pump and manually-driven auxiliary pump moving water from reservoir to steam generator connected to nozzle |
| 04/20/2005 | CN2693985Y Multifunctional concrete delivery pump |
| 04/19/2005 | US6880731 Dispenser for flowable products with spherically encapsulated components |
| 04/14/2005 | WO2005033506A2 Gas compressor |
| 04/14/2005 | US20050079072 Fluid product dispensing pump |
| 04/14/2005 | US20050079065 Radial piston pump |
| 04/14/2005 | US20050076888 Safety fuel injection pump |
| 04/13/2005 | EP1523038A2 Valveless micro air delivery device |
| 04/13/2005 | EP1522726A2 Safety fuel injection pump |
| 04/13/2005 | CN2692372Y Oil pumping device |
| 04/13/2005 | CN1605748A 安全燃料喷射泵 Safety fuel injection pump |
| 04/13/2005 | CN1196860C Ignition control device and method for IC engineer Ignition coil device |
| 04/12/2005 | US6877965 Mechanical bladder pump |
| 04/07/2005 | US20050074662 Valveless micro air delivery device |
| 04/07/2005 | US20050073557 Liquid delivering device |
| 04/07/2005 | US20050072800 Fluid powered proportioning pump and post-mix beverage dispenser system using same |
| 04/07/2005 | DE10343091A1 Glide ring unit for a radial piston pump comprises metal inner and outer rings and an intermediate ring which consists of three annular elastomer components |
| 04/07/2005 | DE10196634T5 Piezoelektrisches Antriebselement und ein solches verwendende Pumpe A piezoelectric drive element and such a pump used |
| 04/06/2005 | CN2690617Y Water pump of pressure well |
| 04/06/2005 | CN1603617A Submersible pump for water-saving drilling |
| 04/06/2005 | CN1195556C Super absorbent driven dispenser |
| 04/05/2005 | US6874997 Pump system using a control fluid to drive a switching valve mechanism for an actuating fluid |
| 04/05/2005 | US6874474 Single-die injection pump for a common rail fuel injection system |
| 03/31/2005 | WO2005001285A3 Diaphragm pump with control module |
| 03/31/2005 | US20050069438 Hydraulic device for pumping molten metal and/or controlling a molten metal flow |
| 03/30/2005 | EP1461096A4 Rotating compressor |
| 03/30/2005 | EP1286710B1 Super absorbent driven dispenser |
| 03/29/2005 | CA2316673C Diaphragm pump for receptacle |
| 03/29/2005 | CA2213676C Apparatus and method for batch-wise continuous pumping |
| 03/24/2005 | WO2005027152A2 Magneto-mechanical apparatus |