| 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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| 09/05/2001 | EP1129291A1 Programmable, fluid pressure actuated blood processing systems and methods |
| 09/04/2001 | US6283720 Reciprocating pumps with linear motor driver |
| 09/04/2001 | US6283121 Manual pump and Ambu bag |
| 08/30/2001 | US20010017278 Equipment for desalination of water by reverse osmosis with energy recovery |
| 08/29/2001 | EP1127624A1 Pump with a membrane acting as a spring and container with the same |
| 08/29/2001 | CN2445111Y Straight-line reciprocating compressor |
| 08/29/2001 | CN2445110Y Energy-saving blower pump |
| 08/28/2001 | US6279787 Beverage container |
| 08/28/2001 | US6279785 Membrane pump for a receptacle |
| 08/23/2001 | US20010015358 Pump including a moving member provided with a central duct and a diaphragm having engagement means bearing against said central duct, and a receptacle fitted therewith |
| 08/22/2001 | EP1125638A1 Pump comprising a movable part with a central duct and with a membrane hooked on the central duct, and container with the same |
| 08/22/2001 | EP1124608A1 Reservoir connector |
| 08/22/2001 | EP1124600A1 Compact pump drive system |
| 08/22/2001 | CN1309748A Engine fuel pump |
| 08/21/2001 | US6276993 Fluid abrasive jets for machining |
| 08/21/2001 | US6276909 Piston pump for a hydraulic brake system of a vehicle |
| 08/21/2001 | US6276148 Boosted air source heat pump |
| 08/16/2001 | WO2001059300A1 Pump |
| 08/16/2001 | US20010014286 Piezoelectric micropump |
| 08/16/2001 | DE19907869C2 Plungerkolbenpumpe Plunger pump |
| 08/15/2001 | CN2443167Y Hand water pump |
| 08/15/2001 | CN2443166Y Double action efficient self-priming piston pump |
| 08/14/2001 | US6272970 Motor-and-pump unit for a vehicle hydraulic brake system |
| 08/08/2001 | EP1121530A1 Piston pump for supplying fuel at high pressure |
| 08/08/2001 | EP1121203A1 Low capacity pump with enhanced compatibility |
| 08/08/2001 | CN2441995Y Man power pump in paddy field |
| 08/07/2001 | US6270323 Hydraulic power conversion device |
| 07/31/2001 | US6267571 Hydraulic displacement pump having two stroke length |
| 07/31/2001 | US6267568 Diaphragm pump |
| 07/31/2001 | CA2200665C Reservoir fluids production apparatus and method |
| 07/26/2001 | US20010009646 Two-cylinder pump |
| 07/25/2001 | EP1118754A2 A gas driven mechanical oscillator and method |
| 07/25/2001 | EP1117931A1 Manually operated pump or compressor |
| 07/25/2001 | CN2440121Y Hand-press water pump |
| 07/25/2001 | CN1305062A Hydraulic equipment possessing at least one extrusion type machine, in particular, radial plunger machine (pump or motor) |
| 07/24/2001 | US6263778 Precision liquid injection system |
| 07/19/2001 | WO2001051810A1 Suction pressure pump |
| 07/18/2001 | EP1116899A2 Variable displacement piston pump/motor |
| 07/18/2001 | EP1115500A1 Dispenser pumps |
| 07/18/2001 | CN2439551Y High, low pressure, double cylinder and hand operated pump |
| 07/17/2001 | US6261464 Portable water disinfection system |
| 07/11/2001 | EP1114223A1 Oscillating dual bladder balanced pressure proportioning pump system |
| 07/11/2001 | CN1303465A Operating method and device for supplementary compressed air injection engine operating with mono-energy or bi-energy in two or three powering modes |
| 07/11/2001 | CN1302952A Hydraulic blower |
| 07/11/2001 | CA2325616A1 Variable displacement piston pump/motor |
| 07/10/2001 | US6257847 Diaphragm pump and pump for double-breast pumping |
| 07/10/2001 | CA2042567C Compression device, especially for pressure filling of a tank |
| 07/05/2001 | DE19963481A1 Eccentric consisting of drive shaft and eccentric component for use in motorised pump in controlled braking system for a car has eccentric component made from annular sheet metal part which is pressed on to shaft |
| 07/04/2001 | CN2437873Y Head automatic pressure pump |
| 07/03/2001 | CA2035612C Gas compressor |
| 06/28/2001 | US20010005481 Hydraulic drive portable air compressor system |
| 06/27/2001 | EP1111234A2 Fuel pump |
| 06/27/2001 | EP0799380B1 Waterpower machine |
| 06/27/2001 | CN2436678Y 气动柱塞油泵 Pneumatic piston pump |
| 06/27/2001 | CN2436677Y Miniature double-pressing water pump |
| 06/26/2001 | US6251293 Microelectronics, pumping and suction of fluids |
| 06/26/2001 | US6251267 Apparatus for supercritical fluid extraction |
| 06/26/2001 | US6250502 Precision dispensing pump and method of dispensing |
| 06/21/2001 | US20010004442 Energy recovery device |
| 06/21/2001 | US20010004441 Pump for conveying fuel in an internal combustion engine |
| 06/21/2001 | DE19961558A1 Pumpe, insbesondere zur Förderung von Kraftstoff in einem Verbrennungsmotor eines Kraftfahrzeuges Pump, in particular for delivering fuel in an internal combustion engine of a motor vehicle |
| 06/20/2001 | EP1108461A2 Energy recovery device |
| 06/20/2001 | EP1107896A1 Motor-pump assembly |
| 06/20/2001 | CN2435542Y Plunger hand mortar pump |
| 06/20/2001 | CN2435541Y Automatic water supply machine for field irrigation |
| 06/19/2001 | US6248093 Compact pump drive system |
| 06/19/2001 | US6247332 Gas driven mechanical oscillator and method |
| 06/15/2001 | CA2328031A1 Energy recovery device |
| 06/14/2001 | WO2001041611A1 Valve unit and container |
| 06/14/2001 | US20010003574 Hydraulic aggregate with at least one displacement machine |
| 06/13/2001 | DE19959020A1 Hydroaggregat mit zumindest einer Verdrängermaschine, insbsondere mit einer Radialkolbenmaschine (Pumpen oder Motor) Hydraulic unit with at least one displacement, helps users look at a radial piston machine (pump or motor) |
| 06/13/2001 | CN2434446Y Water pump |
| 06/13/2001 | CA2292344A1 Hydraulic drive air compressor |
| 06/12/2001 | US6244836 Well pump actuated by natural gas |
| 06/12/2001 | US6244832 Radial piston pump for high-pressure fuel delivery |
| 06/12/2001 | US6244771 Liquid dispenser and distribution apparatus for washing structures, and methods |
| 06/07/2001 | WO2001040657A1 High-pressure hydraulic fuel pump |
| 06/07/2001 | WO2001040653A1 Fluid device such as pump and accumulator |
| 06/07/2001 | WO2001040648A1 Cam device, automatic chemical feed device with the cam device, and tray mounting structure of the automatic chemical feed device |
| 06/07/2001 | US20010002978 Idle volume reducing means in a piston pump for a brake system of a vehicle |
| 06/06/2001 | CN2433412Y Superhigh pressure radial plunger pump |
| 06/06/2001 | CN2433411Y Crank connecting rod type plunger mud pump |
| 06/05/2001 | US6241890 Apparatus comprising means for moving sealed collection vials in and out of position, penetrating means positioned to penetrate seal of plurality of collection vials in series with restrictor capillary tube so fluid may enter vial |
| 06/05/2001 | US6241492 High pressure pump |
| 06/05/2001 | US6241130 Hand-held squeezing-out tool with a drive motor |
| 05/30/2001 | EP1103722A2 Plunger type pump |
| 05/30/2001 | EP1102930A1 Engine fuel pump |
| 05/30/2001 | CN2432352Y Lubrication piston double-drum sprinking irrigation pump |
| 05/30/2001 | CN1297514A ignition control device and method |
| 05/29/2001 | US6238190 Fuel injection pump and snubber valve assembly |
| 05/29/2001 | US6237441 Combination of shim and cam |
| 05/29/2001 | CA2216861C High-pressure micro-volume syringe pump |
| 05/23/2001 | EP1023095A4 One-hand pulse pump |
| 05/23/2001 | CN2431418Y High-lift deep-sucking well pump driven by hand or motor |
| 05/23/2001 | CN2431417Y Rotor plunger pump |
| 05/22/2001 | US6234770 Reservoir fluids production apparatus and method |
| 05/16/2001 | CN1295486A Metered dose infusion pump and method |
| 05/15/2001 | US6231322 Method and device for the production of beverages |
| 05/10/2001 | WO2001033133A1 Arrangement in a lubricant pump |
| 05/09/2001 | CN2429650Y Hand pump |