| 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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| 09/12/2000 | US6116868 Multi-faceted valve head for hydraulic pump |
| 09/12/2000 | US6116146 Radial piston machine |
| 09/12/2000 | US6116025 Dynamic, automatic stroke reversal system for reciprocating, linearly driven pumping units |
| 09/12/2000 | CA2151184C Axial piston pump featuring angled fill ports and noise-reducing relief ports |
| 09/07/2000 | DE19906482C1 Multi-purpose dosing pump for introduction of additives into gases or liquids, e.g. water, oil or petrol discharges at consistent but adjustable rate, |
| 09/05/2000 | US6113368 Method for supplying liquids by means of a pump combination comprising of two single oscillating displacement pumps, and device for accomplishing the method |
| 09/05/2000 | US6113355 Pump drive head pump assembly with a hydraulic pump circuit for preventing back-spin when the drive head has been shut off |
| 09/05/2000 | CA2180490C Miniature pump sprayer |
| 08/31/2000 | WO2000051221A1 Device for generating electrical power |
| 08/30/2000 | CN2394024Y Manpower high pressurizer |
| 08/30/2000 | CN2394023Y Multifunctional water pump |
| 08/24/2000 | WO2000049290A1 Ignition control device and method |
| 08/24/2000 | DE19903185A1 Crank drive comprises a crankshaft with first compensating weight which rotates with shaft, connecting rod eccentrically connected to crankshaft via plug, oscillating body connected to connecting rod and oscillation compensating weight |
| 08/23/2000 | EP1030059A1 Pneumatic motor for a lubricant pump |
| 08/23/2000 | EP1029186A1 A valve arrangememt |
| 08/23/2000 | EP1029185A1 A valve arrangement |
| 08/23/2000 | CN1263994A Pneumatic water pump |
| 08/23/2000 | CN1055745C Compact high performance fuel system with accumulator |
| 08/22/2000 | US6106525 Fully implantable bone expansion device |
| 08/22/2000 | US6105877 Dispensing device |
| 08/22/2000 | US6105829 Fluid dispensing system |
| 08/17/2000 | WO2000047895A1 Reciprocating differential hydraulic machine, especially a differential hydraulic machine |
| 08/17/2000 | WO2000047894A1 Trace liquid suction and discharge device |
| 08/17/2000 | DE19906390A1 Method and device for controlling an ignition coil in an internal combustion engine incorporates an RPM-detector to record an IC engine RPM at a recording time point within a cylinder's ignition cycle |
| 08/17/2000 | DE19905790A1 Piston pump for hydraulic motor vehicle brake systems has permanent magnet to hold piston in engagement on engagement on eccentric jacket |
| 08/15/2000 | US6102676 Pump |
| 08/10/2000 | WO2000046506A1 Injection pump for dye dispensing machine |
| 08/10/2000 | WO2000046503A1 Pump unit for a slip-regulated hydraulic automobile brake system |
| 08/10/2000 | WO2000045963A1 Dispenser of chemically unstable products |
| 08/10/2000 | DE19904926A1 Pumpenaggregat für eine schlupfgeregelte, hydraulische Fahrzeugbremsanlage Pump unit for a slip-controlled, hydraulic vehicle brake system |
| 08/10/2000 | CA2361517A1 Dispenser of chemically unstable products |
| 08/09/2000 | EP0898653A4 Hydraulic pressure control system for a pump |
| 08/09/2000 | CN2391026Y Ball valve water pressing well |
| 08/08/2000 | US6099269 Absorption refrigeration system having a diaphragm pump and a hydraulic piston pump |
| 08/08/2000 | US6098519 Fuel pump |
| 08/03/2000 | WO2000044420A1 Metered dose infusion pump and method |
| 08/03/2000 | CA2323201A1 Metered dose infusion pump and method |
| 08/02/2000 | EP1023095A1 One-hand pulse pump |
| 08/02/2000 | EP1023016A4 Solid state fluid delivery system |
| 08/02/2000 | EP1023016A1 Solid state fluid delivery system |
| 08/02/2000 | CN2390022Y Magnet type reciprocating cylinder |
| 08/01/2000 | US6095775 Single-acting manual pump for lubrication line, with deformable valve element |
| 08/01/2000 | US6095377 Liquid dispensing pump |
| 07/27/2000 | DE19912286A1 Liquid supply system with at least two pumps, both of which are in casings which can be connected to adjacent casings |
| 07/26/2000 | EP1021642A1 Volumetric-displacement device having molded pistons and cylinders |
| 07/25/2000 | US6093003 Piston pump |
| 07/25/2000 | US6092995 High precision pump for medical and chemical analyzers |
| 07/19/2000 | CN2388371Y Locked hydraulic cylinder |
| 07/18/2000 | US6089407 Electrically powered fluid-dispersing apparatus and a method particularly adapted for hand gun operation |
| 07/18/2000 | US6089141 Plunger pump for water jet loom |
| 07/13/2000 | WO2000040864A2 Pump |
| 07/13/2000 | WO2000040342A1 Fluid dispensing apparatus |
| 07/12/2000 | EP1018601A2 Reciprocating pumps with linear motor driver |
| 07/12/2000 | EP0897473A4 Disposable ambulatory microprocessor controlled volumetric pump |
| 07/12/2000 | CN1259624A Reciprocating pump having linear motor driving device |
| 07/11/2000 | US6086767 A separator comprising a restrictor valve having an inlet, an adjustable metering stem and a seat; maintaining back pressure, preventing analyte deposit or freezable liquid in the frozen state on seat or stem |
| 07/11/2000 | US6086338 Water jet intensifier pump having a piston arrangement with a ceramic liner |
| 07/06/2000 | WO2000039463A1 Piezoelectric micropump |
| 07/05/2000 | CN2386210Y Electric bicycle pump |
| 07/04/2000 | US6083399 Collection solvent; controlling temperature |
| 07/04/2000 | US6082888 Constant rate discharge apparatus and constant rate discharge method |
| 06/29/2000 | WO2000037800A1 Device for converting energy being stored in compressed air into mechanical work |
| 06/29/2000 | DE19860466C1 Pneumatically operated hydraulic pump has cylinder housing, integral valve base, end cap and control housing all injection moulded from plastics and with slide shoe moved by piston to inject work air and expel exhaust air |
| 06/28/2000 | EP1013930A1 Small pump device and sphygmomanometer using the pump device |
| 06/27/2000 | US6079961 Piston pump for a vehicle brake system having a plastic piston with a wear resistant cam-striking face |
| 06/27/2000 | US6079959 Reciprocating pump |
| 06/27/2000 | US6079956 Multi-stage hydraulic pump |
| 06/27/2000 | US6079797 Dual action ball screw pump |
| 06/22/2000 | WO2000036329A1 System for conveying liquids without pulsing |
| 06/22/2000 | WO2000036276A1 Low noise high efficiency positive displacement pump |
| 06/21/2000 | DE19948602A1 Bulk material pump, particularly hydraulically operated concrete pump incorporated in delivery vehicle, has oil pump releasing variable pressure volumes through first/second apertures and drive cylinders in flow connection with oil pump |
| 06/15/2000 | WO2000034664A1 Releasable check valve for very high system pressures |
| 06/15/2000 | WO2000034656A1 Low pressure ratio piston compressor |
| 06/15/2000 | WO2000034655A1 Compressor arrangement |
| 06/15/2000 | DE19857593A1 System zur pulsationsfreien Förderung von Flüssigkeiten System for pulsation conveyance of liquids |
| 06/15/2000 | DE19856917A1 Pumpenaggregat Pump unit |
| 06/15/2000 | CA2353391A1 Compressor arrangement |
| 06/14/2000 | EP1007848A2 High pressure pump |
| 06/14/2000 | EP1007470A1 Method and device for the production of beverages |
| 06/14/2000 | EP1007445A1 Metering valve for aerosols |
| 06/08/2000 | WO2000032932A1 Ball screw driven pump |
| 06/08/2000 | DE19856018A1 Entsperrbares Rückschlagventil für sehr hohe Systemdrücke Pilot operated check valve for very high system pressures |
| 06/07/2000 | EP1005607A1 Method and device for the electronically controlled supply and dosing of cryogenic media in aircraft engines |
| 06/07/2000 | EP0902864A4 Pressure transfer modules |
| 06/06/2000 | US6071408 Apparatus and method for supercritical fluid extraction |
| 06/06/2000 | US6071096 Pneumatic cylinder, in particular for actuating fume extraction valves in fume and heat extraction plants |
| 06/06/2000 | US6071090 Process pump |
| 06/06/2000 | US6070476 Fluid delivery method |
| 05/30/2000 | US6068764 Reverse osmosis pump and shut off valve |
| 05/30/2000 | US6068450 Diaphragm pump including improved drive mechanism and pump head |
| 05/30/2000 | US6068448 Pressure hydraulic pump having first and second synchronously driven reciprocating pistons with a pressure control structure |
| 05/30/2000 | US6067796 Gas driven mechanical oscillator and method |
| 05/23/2000 | US6065945 Hydraulic engine |
| 05/17/2000 | CN2378549Y High and low pressure double hand-operated oil pump |
| 05/17/2000 | CN1253611A Water system with pedal powered reciprocating pump |
| 05/17/2000 | CN1253041A Pump type sprayer and its manufacturing method |
| 05/17/2000 | CN1052529C Multifunctional water pump |
| 05/16/2000 | US6064708 Underwater inspection/repair apparatus |
| 05/16/2000 | US6062828 Compressor for liquefied gas applications |
| 05/11/2000 | WO2000025852A1 Reservoir connector |