| 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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| 04/30/2008 | CN201053380Y All-sealed erosion-resistant hand pump |
| 04/30/2008 | CN201053379Y Piston type pneumatic pump |
| 04/30/2008 | CN201053132Y Composite water using system |
| 04/24/2008 | DE19832049B4 Unterwasser-Untersuchungs/Reparaturgerät Underwater inspection / repair device |
| 04/23/2008 | CN201050455Y Bi-directional manual pump possessing minisize direction control valve |
| 04/23/2008 | CN201050454Y Differential pressure driven reciprocating type double-function supercharging pump |
| 04/23/2008 | CN201049333Y Pedal liquid drawing, washing and spraying device |
| 04/23/2008 | CA2607431A1 Foamer pump |
| 04/22/2008 | US7362032 Electroactive polymer devices for moving fluid |
| 04/17/2008 | WO2008044253A1 Transmission apparatus in homogeniser or high pressure piston pump |
| 04/17/2008 | DE102006048722A1 Kolbenpumpe, insbesondere Kraftstoffhochdruckpumpe, mit Rollenstößel Piston pump, in particular high-pressure fuel pump, with roller plunger |
| 04/17/2008 | DE102006048657A1 Radial piston pump, has needle roller bearing provided with external ring, whose eccentric movement is converted into reciprocating movement of pump plunger, where external ring is arranged radially within non-circular external sleeve |
| 04/16/2008 | EP1910679A2 Reciprocating piston pump with air valve, detent and poppets |
| 04/16/2008 | EP1910678A2 Reciprocating pump with electronically monitored air valve having battery and solenoid electronic monitoring |
| 04/16/2008 | EP1910644A2 Cam driven piston compressor |
| 04/16/2008 | EP1444046B1 Fluid product dispensing pump |
| 04/16/2008 | CN201047341Y Hand pump |
| 04/16/2008 | CN201047340Y Manual direct drinking water pump |
| 04/16/2008 | CN201047339Y Superhigh tension three vats plunger pump |
| 04/16/2008 | CN201047093Y Fixing apparatus for water storage barrel |
| 04/15/2008 | US7357066 Sealing structure of an up-down type piston assembly for exhausting a content |
| 04/10/2008 | US20080083219 Fluid displacement based generator & method of using the same |
| 04/10/2008 | DE102005029481B4 Pumpengetriebe Gear pumps |
| 04/09/2008 | EP1907806A2 Reciprocating pump with electronically monitored air valve and piston |
| 04/09/2008 | EP1907699A1 Pump device, for instance for front and rear wheel driven motorcycle |
| 04/09/2008 | EP1560637B1 Method and device for desalinating water while overcoming decreases in pressure |
| 04/09/2008 | CN201045335Y Crankshaft drive high-pressure plunger pump |
| 04/09/2008 | CN101158171A Waste water reutilization apparatus |
| 04/09/2008 | CN100379472C Fluid pressure actuated blood pumping systems and methods with continuous inflow and pulsatile outflow conditions |
| 04/08/2008 | USRE40219 Diaphragm pump comprising on at least a portion of its periphery preferred deformation zone and a receptacle fitted therewith |
| 04/08/2008 | US7354252 Pressure intensifier |
| 04/08/2008 | US7353746 Two-stage hand pump |
| 04/03/2008 | WO2008037725A1 Pump having a shaft |
| 04/03/2008 | WO2008037644A1 Crank drive for crank drive pump and use in a fuel pump |
| 04/03/2008 | US20080080994 Fluid End Reinforced with a Composite Material |
| 04/03/2008 | US20080080989 Air-conditioning system for a vehicle, in particular an industrial vehicle, and vehicle equipped with said system |
| 04/03/2008 | DE102006046457A1 Dosing device for metering out free-flowing substances has a flexible membrane to apply pressure onto a substance to be dosed out along with a storage device and a pulsation absorber |
| 04/03/2008 | DE102006045933A1 Stößelbaugruppe für eine Hochdruckpumpe und Hochdruckpumpe mit wenigstens einer Stößelbaugruppe Tappet assembly for a high pressure pump and high-pressure pump having at least one tappet assembly |
| 04/03/2008 | DE102006045899A1 Kurbeltrieb für Kurbeltriebpumpe und Verwendung in einer Kraftstoffpumpe Crankshaft Crankshaft for use in pump and a fuel pump |
| 04/03/2008 | DE102006025924B4 Fluidpumpe mit Rollenstößel Fluid pump with roller plunger |
| 04/02/2008 | EP1906018A2 Miniature pump |
| 04/02/2008 | EP1906012A1 Device and method for controlling a two-cylinder pump for high-viscosity fluids |
| 04/01/2008 | CA2330823C Actuation device for manually operated pump sprayer |
| 03/27/2008 | WO2008035792A1 Electroosmotic material, method for production of the material, and electroosmotic flow pump |
| 03/27/2008 | WO2008035574A1 Hydraulic pump |
| 03/26/2008 | EP1902218A1 Compressor for a tyre repairing kit |
| 03/26/2008 | EP1902217A1 Compressor unit comprising an eccentric gear |
| 03/26/2008 | EP1658433B1 High-pressure pump for a fuel-injection device of an internal combustion engine |
| 03/26/2008 | CN201041140Y Super high pressure hand-operated oil pump |
| 03/26/2008 | CN201041139Y Pneumatic pump |
| 03/26/2008 | CN101149048A Glue solution extraction and transfer pump |
| 03/20/2008 | WO2008032126A1 Positive displacement oil well pump |
| 03/20/2008 | WO2007061870A3 Cam driven piston compressor apparatus |
| 03/20/2008 | CA2664220A1 Positive displacement oil well pump |
| 03/19/2008 | EP1899633A1 Reciprocating pump |
| 03/19/2008 | CN101144466A Differential constant flow pump |
| 03/13/2008 | CA2657567A1 Fluid-powered proportioning pump and system for dispensing fluid inluding pump |
| 03/12/2008 | CN201034065Y Guide rod type check valve for hand pump |
| 03/12/2008 | CN100374177C Rotating compressor |
| 03/11/2008 | US7340783 Compressed air drain opening device |
| 03/11/2008 | CA2559502A1 Discharge pressure actuated pump |
| 03/06/2008 | WO2008028007A2 Two bolt adjustable centering system |
| 03/06/2008 | DE202007017692U1 Pumpe zum Verteilen eines fluiden Produkts Pump for dispensing a fluid product |
| 03/06/2008 | DE102006041480A1 Motor-pump-unit for controlling pressure in hydraulic brake system of motor vehicle, has eccentric cam actuating pistons to reciprocating stroke movement that is changed by adjusting elasticity of drive to maximum capacity of generator |
| 03/06/2008 | DE102006017301B4 Pumpe Pump |
| 03/06/2008 | CA2661854A1 Two bolt adjustable centering system |
| 03/05/2008 | EP1379784B1 Single-plunger injection pump for a common rail fuel injection system |
| 03/05/2008 | EP1121203B1 Low capacity pump with enhanced compatibility |
| 03/05/2008 | CN201031782Y Waterwheel base |
| 03/05/2008 | CN201031781Y Non electric machine high-pressure column plug type energy conservation device |
| 03/04/2008 | US7338261 Hybrid compressor |
| 02/28/2008 | US20080048519 Micro rotary machine and methods for using same |
| 02/28/2008 | DE102006039782A1 Fluidpumpe, umfassend einen Kurbeltrieb mit ungeteilten Pleueln, sowie Montageverfahren hierfür Fluid pump comprising a crank mechanism with undivided connecting rods and mounting method therefor |
| 02/27/2008 | EP1892410A1 Fuel feed pump and tappet structure |
| 02/27/2008 | EP1427471B1 Plunger for patient infusion device |
| 02/27/2008 | CN201027607Y Air inflator type manual well water pump |
| 02/27/2008 | CN201027606Y Pumping and inflating dual-purpose device |
| 02/27/2008 | CN201027605Y Missile type super ram pump |
| 02/27/2008 | CN100370934C Sealing structure of an up-down type piston assembly for exhausting a content |
| 02/21/2008 | WO2008019889A1 Pressure booster with double-seat valve |
| 02/21/2008 | DE102006045302B3 Pump i.e. hydraulic duplex pump, has shaft partly arranged in housing, and distance piece coupling bracket with housing in radial direction of shaft, where distance piece has guidance section for guiding connecting rod |
| 02/20/2008 | CN201025249Y An ultra-high pressure oil pump |
| 02/19/2008 | CA2385135C Uninterrupted flow pump apparatus and method |
| 02/14/2008 | US20080038123 Processing and/or operating machine comprising an ionic liquid as the operating liquid |
| 02/14/2008 | US20080034959 Radial Piston Pump With A Roller Plunger |
| 02/13/2008 | CN201021658Y Hydraulic pressure water supply device |
| 02/07/2008 | WO2008015471A1 A pump |
| 02/07/2008 | WO2007147914B1 Split-chamber pressure exchangers |
| 02/07/2008 | US20080031746 Method and device for regulating fluid pump pressures |
| 01/31/2008 | DE102006034768A1 Radialkolbenpumpeneinheit zur Kraftstoff-Hochdruckversorgung bei Kraftstoff-Einspritzsystemen Radial piston pump unit for high-pressure fuel supply in fuel injection systems |
| 01/31/2008 | DE102006017303B4 Radialkolbenpumpe Radial piston pump |
| 01/30/2008 | CN201013548Y Bottom valve component used for methane tank material pumping pipe |
| 01/30/2008 | CN201013547Y Double power compact type gas-liquid blower pump |
| 01/30/2008 | CN201013546Y Piston-type pump driving mechanism |
| 01/30/2008 | CN101113726A Piezoelectric drive device and liquid discharging device |
| 01/30/2008 | CN100365275C Hydraulic machine |
| 01/24/2008 | WO2008010490A1 Cycloid reciprocating engine and pump employing this crank mechanism |
| 01/24/2008 | WO2008009489A1 Crank-driven high-pressure pump, particularly for supplying high-pressure fuel in fuel injection systems |
| 01/24/2008 | DE102006033472A1 Hochdruck-Kurbeltriebpumpe, insbesondere zur Kraftstoff-Hochdruckversorgung bei Kraftstoff-Einspritzsystemen High-pressure pump crank mechanism, particularly for high-pressure fuel supply in fuel injection systems |
| 01/23/2008 | EP1881197A1 Pressure generation device |