| 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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| 12/06/2001 | DE10027425A1 Radial piston pump, e.g. lubricant pump in internal combustion engine, has connecting bore to eccentric drive element chamber in base of piston controlled by excess pressure valve |
| 12/06/2001 | DE10027407A1 Control of a pump for thick material, such as concrete, where the pump has two cylinder units operating reciprocally and has a controller that operates with piston position sensors to precisely control the speed of the pistons |
| 12/06/2001 | CA2410998A1 Manually actuated pump assembly |
| 12/06/2001 | CA2410792A1 Diaphragm pump |
| 12/06/2001 | CA2409934A1 Bellows pump for delivery of liquids |
| 12/05/2001 | CN2463559Y Variable acid-proof anti-corrosive sludge pump |
| 12/05/2001 | CN2463558Y Pump driven by seawater force |
| 11/29/2001 | WO2001090577A1 Micromachined fluidic device and method for making same |
| 11/29/2001 | WO2001089695A2 Valve for use in microfluidic structures |
| 11/29/2001 | CA2408353A1 Valve for use in microfluidic structures |
| 11/28/2001 | EP1157966A1 Discharge pump for a beverage container |
| 11/28/2001 | CN2462108Y Novel air cylinder |
| 11/28/2001 | CN2462105Y Electric water pumping machine |
| 11/22/2001 | WO2001088392A2 Roller bearing, piston pump and pump unit |
| 11/22/2001 | WO2001087495A1 Pump provided with a decompression device |
| 11/22/2001 | US20010043875 Pulsation damping device |
| 11/22/2001 | US20010043874 High Pressure pump |
| 11/22/2001 | DE10118754A1 High-pressure fuel feed pump for internal combustion engine of motor vehicle, includes sealing member provided at the exterior of a cylinder to seal a lifter |
| 11/22/2001 | DE10025188A1 Smoothly-operating pressure conversion plant for increasing pressure includes valve interrupting connection to low-pressure source at end positions of low-pressure piston |
| 11/22/2001 | DE10023947A1 Anti-friction bearing for piston pump has bearing ring and anti-friction bodies; bearing ring has lateral protrusion with which it can be pressed into bearing seat |
| 11/21/2001 | EP1156219A1 Fluid device such as pump and accumulator |
| 11/21/2001 | EP1155744A1 Spring-type push-button |
| 11/21/2001 | CN1323246A Low capacity pump with enhanced compatibility |
| 11/21/2001 | CN1322900A Automatic stepless radial crank-linkage type radial plunger pump |
| 11/20/2001 | US6319410 Apparatus and method for super critical fluid extraction |
| 11/20/2001 | US6318979 Piston pump |
| 11/20/2001 | US6318974 Oil pump for separate lubrication |
| 11/20/2001 | US6318640 Dispensing device |
| 11/15/2001 | WO2001086147A1 Fluid motivated pump |
| 11/15/2001 | WO2000057173A9 Pulse damper |
| 11/15/2001 | US20010039876 Simplified piston pump |
| 11/14/2001 | EP1154157A2 Pulsation damping device |
| 11/14/2001 | EP0906511B1 Pump, especially high pressure pump for use in a fuel injector of an internal combustion engine |
| 11/14/2001 | CN2459460Y 柱塞轴承 Plunger bearings |
| 11/14/2001 | CN1321835A Pneumatic plunger type grouting pump and slurry-dispensing machine and automatic slurry-dispensing grouting equipment |
| 11/13/2001 | US6315442 Device for the synchronous conveying of flowable materials in a mixing device |
| 11/08/2001 | WO2000001948A3 Radial piston pump |
| 11/08/2001 | US20010038799 Diaphragm pump and pump for double-breast pumping |
| 11/08/2001 | EP1144866A3 Radial piston pump |
| 11/07/2001 | EP1152149A2 Injector |
| 11/07/2001 | EP1151196A1 Reciprocating differential hydraulic machine, especially a differential hydraulic machine |
| 11/07/2001 | CN1321222A Programmable, fluid pressure actuated blood processing systems and methods |
| 10/31/2001 | EP1148953A1 Dispenser of chemically unstable products |
| 10/31/2001 | EP0869876B1 Tire pressurizing and regulating apparatus |
| 10/31/2001 | DE10021042A1 Paint brush for facades with integrated paint pump has wedge on top of brush head to change head angle from 180o to 135-140o |
| 10/31/2001 | DE10019115A1 Pump, preferably vane cell or gear wheel pump, has hand pump device integrated into pump housing that feeds into suction side flow path of transport unit |
| 10/31/2001 | DE10012887C1 Dosierpumpe Metering pump |
| 10/31/2001 | CN2457363Y 改良的气动双向高压液态泵 Improved two-way pneumatic pressure liquid pump |
| 10/31/2001 | CN1320195A Manually operated pump or compressor |
| 10/25/2001 | WO2001079698A1 High-pressure fuel pump |
| 10/25/2001 | WO2001079684A1 Pump |
| 10/24/2001 | EP1147314A1 High-pressure hydraulic fuel pump |
| 10/23/2001 | US6305581 Diaphragm pump and a receptacle fitted therewith |
| 10/18/2001 | US20010031212 Hydraulic displacement pump having two stroke length |
| 10/18/2001 | DE10018512A1 Domestic electrical current generation plant has line flow pressure of water supply network used for driving current generator via pneumatic/hydraulic pressure converter and conversion gearing |
| 10/17/2001 | EP1144866A2 Radial piston pump |
| 10/17/2001 | EP1144856A1 Common-rail fuel injection system |
| 10/17/2001 | CN2454564Y Portable simple self-suction pump |
| 10/17/2001 | CN1317440A Fluid pump distributor with products reclaiming characteristics |
| 10/17/2001 | CN1073212C 往复式机械 Reciprocating Machinery |
| 10/16/2001 | US6302305 Pump intended to be fitted to a container |
| 10/10/2001 | EP1141611A1 System for conveying liquids without pulsing |
| 10/10/2001 | EP1141549A1 Device for converting energy being stored in compressed air into mechanical work |
| 10/10/2001 | EP1141546A1 Piezoelectric micropump |
| 10/10/2001 | EP1141545A2 Pump |
| 10/10/2001 | CN2453151Y Water supply apparatus using water power |
| 10/09/2001 | US6299766 Reverse osmosis filtering apparatus with concentrate dilution |
| 10/09/2001 | US6299416 Bulk material pump device |
| 10/09/2001 | US6299415 Double-acting pump |
| 10/09/2001 | US6299029 Diaphragm pump comprising on at least a portion of its periphery preferred deformation zone and a receptacle fitted therewith |
| 10/04/2001 | WO2001073294A1 Piston pump |
| 10/04/2001 | EP1137882A1 Low pressure ratio piston compressor |
| 10/04/2001 | EP0882182B1 Yoke support for piston paint pumps |
| 10/04/2001 | EP0797733B1 Piston pump |
| 10/04/2001 | EP0796394B1 Radial piston engine |
| 10/04/2001 | DE10015295A1 Piston pump for hydraulic antiblocking brake system for motor vehicle has filter axially movable on cylinder sleeve, and to fit filter on cylinder sleeve the filter engages undercut in sleeve in fashion of snap-in connector |
| 10/03/2001 | CN2451751Y Hydraulic pump for polyurethane foaming machine |
| 10/03/2001 | CN2451750Y 试压泵 Test pump |
| 10/03/2001 | CN2451749Y 空气压缩机 Air compressor |
| 10/03/2001 | CA2304407A1 Multi-piston intensifier |
| 10/02/2001 | US6297463 Out-of-fluid detector for reciprocating pumps |
| 10/02/2001 | US6296769 Multi-chambered supercritical fluid extraction cartridge and processes using it |
| 09/26/2001 | EP1136135A2 Fluid pump dispenser having product retraction feature |
| 09/26/2001 | EP1135614A1 Releasable check valve for very high system pressures |
| 09/26/2001 | EP1135608A1 Compressor arrangement |
| 09/26/2001 | EP1135607A1 Ball screw driven pump |
| 09/26/2001 | EP0713564B1 Reciprocating engine |
| 09/26/2001 | CN2450404Y High-pressure well killing |
| 09/26/2001 | CN2450403Y Hydraulic drive device for reciprocating injection pump |
| 09/25/2001 | US6294088 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| 09/19/2001 | EP1134416A2 Metering pump |
| 09/19/2001 | CN2448945Y Double-liquid mud-injection pump |
| 09/19/2001 | CN2448944Y Plastic vertical double-cylinder hand-pressing pump |
| 09/19/2001 | CN1313454A Pneumatic mechanical vibrator and method thereof |
| 09/19/2001 | CN1313195A Ink pump of printer drived by movement of bracket |
| 09/18/2001 | US6290308 Pump assembly for use in a brake system of a vehicle |
| 09/13/2001 | DE10011469A1 Twin cylinder pump operating arrangement with variable speed pistons for pumping liquid concrete |
| 09/12/2001 | EP1132212A1 Printer ink pump using motion of the carrier |
| 09/11/2001 | US6286728 Shroud cover for trigger sprayer |
| 09/05/2001 | EP1130216A2 Reciprocable device |