| Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236) |
|---|
| 08/29/2002 | US20020119361 Pressure driven hermetically sealed pump for fuel cell system |
| 08/29/2002 | US20020117155 Fuel pump for an internal combustion engine |
| 08/29/2002 | US20020117049 Pneumatic motor |
| 08/29/2002 | DE10055445C1 Kompressor mit umlaufenden Zylindern Compressor with rotating cylinders |
| 08/28/2002 | CN2508019Y Vortex reciprocating compressor |
| 08/27/2002 | US6439863 Fuel pump with vapor lock inhibiting check valve |
| 08/22/2002 | WO2002064055A1 Water pick |
| 08/21/2002 | EP1232340A1 Piston pump |
| 08/21/2002 | CN1089404C Self-locking fluid driven cylinder |
| 08/20/2002 | US6435844 Diaphragm pump |
| 08/20/2002 | US6435843 Reciprocating pump for feeding viscous liquid |
| 08/20/2002 | US6435838 Fluid well pump |
| 08/15/2002 | US20020108965 Fluid delivery device |
| 08/14/2002 | EP0870109B1 Fluid delivery device |
| 08/13/2002 | US6431842 Fuel injection pump |
| 08/13/2002 | US6431212 Valve for use in microfluidic structures |
| 08/13/2002 | US6431145 Ignition control device and method |
| 08/08/2002 | US20020106292 High pressure water pump |
| 08/08/2002 | US20020106291 Integral pump and control valve |
| 08/08/2002 | US20020106284 Hydrostatic axial piston machine having a swashplate design |
| 08/07/2002 | EP1228312A1 Motor-pump aggregate |
| 08/07/2002 | EP1227855A2 Plunger plug with stiffening insert |
| 08/07/2002 | EP0862693B1 Piston pump |
| 08/07/2002 | CN2504400Y Sand prevention slurry pump |
| 08/07/2002 | CN1362293A Protection cover for trigger jetter |
| 08/01/2002 | US20020102177 Device for supplying liquids, particularly, fuel |
| 08/01/2002 | US20020100772 Pump for dispensing a substance, in particular a cosmetic or a care product |
| 07/31/2002 | EP1226385A1 Arrangement in a lubricant pump |
| 07/31/2002 | CN2503225Y Pneuamtic drive pump |
| 07/31/2002 | CN2503224Y Reciprocating piston compressor with crankshaft active wheel |
| 07/31/2002 | CN1361356A Arrangement for transfering liquid, especially fuel |
| 07/31/2002 | CA2379447A1 Method and apparatus for a double acting reciprocating piston assembly |
| 07/25/2002 | WO2002057632A2 High pressure water pump |
| 07/25/2002 | US20020098096 Fluid proportioner |
| 07/25/2002 | US20020098095 Restarting device of a pump change-over valve |
| 07/25/2002 | US20020096059 Oil pressure device |
| 07/24/2002 | EP1225335A2 Restarting device of a pump change-over valve |
| 07/24/2002 | CN2502037Y Double-cylinder single-acting high pressure reciprocating pump |
| 07/24/2002 | CN2502036Y Multifunctional energy-saving pump |
| 07/24/2002 | CN1360149A Fluid mechanism |
| 07/23/2002 | US6422840 Hydraulic displacement pump having two stroke length |
| 07/23/2002 | US6422834 Reversing valve for a diaphragm pump |
| 07/23/2002 | US6422434 Dispenser pumps |
| 07/23/2002 | CA2149313C Disposable plastic liquid pump |
| 07/18/2002 | WO2002055173A1 Regenerative, multi-stage, fixed recovery pump for filtration systems |
| 07/18/2002 | CA2468987A1 Regenerative, multi-stage, fixed recovery pump for filtration systems |
| 07/17/2002 | EP1222384A1 High pressure pump |
| 07/17/2002 | EP1222138A1 Precision dispensing pump and method of dispensing |
| 07/17/2002 | EP1178888A4 Actuator control in a micro electro-mechanical liquid ejection device |
| 07/17/2002 | CN1359348A Double spring precompression pump with primping feature |
| 07/17/2002 | CN1358937A Restarting device of pump |
| 07/16/2002 | US6419841 Accumulator/second pump in fluid communication with a first pump, filter between them; second pump operates independent of first pump; for high purity fluids; microelectronics |
| 07/16/2002 | US6419463 Reversing valve for a diaphragm pump |
| 07/11/2002 | WO2002053959A1 Pneumatic motor assembly for a lubricant pump |
| 07/11/2002 | US20020090306 Pump assembly for a hydraulic vehicle brake system |
| 07/11/2002 | US20020088900 Aircraft fluid delivery device |
| 07/10/2002 | EP1221552A2 High-pressure pump for use in fuel injection system for diesel engine |
| 07/10/2002 | EP1221344A2 Shroud cover for trigger sprayer |
| 07/09/2002 | US6415989 Dispensing head for varying sizes of dispensing members |
| 07/09/2002 | US6415959 Low capacity pump with enhanced compatibility |
| 07/09/2002 | US6415704 Pneumatic oil pump |
| 07/04/2002 | US20020085936 Fuel pump |
| 07/04/2002 | US20020083828 Flexible actuator |
| 07/04/2002 | US20020083704 Pneumatic oil pump |
| 06/29/2002 | CA2330612A1 Flexible actuator |
| 06/27/2002 | DE10063757A1 Pumpenaggregat für eine hydraulische Fahrzeugbremsanlage Pump unit for a hydraulic vehicle brake system |
| 06/26/2002 | EP1217212A2 Restarting device of a pump |
| 06/26/2002 | EP1217211A2 Fluid machinery |
| 06/26/2002 | EP1216104A1 Improved pump for dispensing fluid product,and fluid product dispensing device comprising same |
| 06/25/2002 | US6409482 Double-force type pressure cylinder structure |
| 06/25/2002 | US6409479 Variable displacement piston pump/motor |
| 06/20/2002 | WO2002048601A1 Fluid delivery apparatus and method |
| 06/20/2002 | WO2002048582A1 High pressure low volume pump |
| 06/20/2002 | WO2001087495A8 Pump provided with a decompression device |
| 06/20/2002 | WO2000074751A9 Method and apparatus for infusing liquids using a chemical reaction in an implanted infusion device |
| 06/20/2002 | US20020077598 Improved fluid reservoir piston |
| 06/20/2002 | US20020076340 Restarting device of a pump |
| 06/20/2002 | US20020073836 Fluid machinery |
| 06/20/2002 | DE10135625A1 Hydrogen supply system for fuel cell arrangement has hydrogen recirculating pump driven by energy of pressure of hydrogen extracted from tank or coming from reforming unit |
| 06/20/2002 | DE10063132A1 Vapor bubble actuator in form of liquid filled bellows in which vapor bubbles are produced to extend bellows |
| 06/20/2002 | DE10061956A1 Valve-less pump for pumping fluids includes control piston enclosed by cylinder and designed so that in single stroke it sucks in fluid at one suction opening whilst closing delivery |
| 06/20/2002 | CA2399817A1 High pressure low volume pump |
| 06/19/2002 | EP1214985A2 Device of miniaturised construction for producing high pressure in a fluid to be atomised |
| 06/19/2002 | EP1007445B1 Metering valve for aerosols |
| 06/19/2002 | CN2495828Y Fuel oil pumping device driven by man power or pneumatic power |
| 06/13/2002 | WO2002046612A1 Device for pumping thick or turbulence-sensitive products |
| 06/13/2002 | US20020072698 Pumping device for helping severe failing of left ventricle or heart |
| 06/13/2002 | US20020071771 Hydraulic drive system for piston pumps |
| 06/13/2002 | US20020069662 Fluid delivery apparatus and method |
| 06/12/2002 | EP1213479A1 High pressure low volume pump |
| 06/12/2002 | EP1212800A1 Improved electroactive polymers |
| 06/12/2002 | EP1212532A1 Dual diaphragm pump |
| 06/12/2002 | EP0871875B1 High-pressure micro-volume syringe pump |
| 06/11/2002 | US6402055 Device for producing high pressure in a fluid in miniature |
| 06/06/2002 | WO2002044075A2 Fluid delivery device |
| 06/06/2002 | DE10147610A1 Reciprocating compressor controller for refrigerator, controls voltage supply to drive circuit to make stroke corresponding to detected phase difference inflection point |
| 06/06/2002 | DE10059422A1 Vorrichtung zum Fördern von Flüssigkeiten, insbesondere Kraftstoff Device for conveying liquids, in particular fuel |
| 06/06/2002 | DE10055986A1 Verfahren zur Steuerung einer aus zwei hydraulisch angetriebenen Plungerkolbenpumpen gebildeten Pumpenanordnung Method for controlling a pump arrangement formed from two hydraulically driven plunger piston pumps |
| 06/06/2002 | CA2430704A1 Fluid delivery device |
| 06/05/2002 | EP1211418A2 Device for pumping fluids, especially fuel |