| Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236) |
|---|
| 06/15/1999 | US5911564 Control system for multiple engines |
| 06/15/1999 | CA2089035C Pressure testing pump |
| 06/09/1999 | CN1218876A Concealed multifunctional inflator |
| 06/02/1999 | EP0918931A1 Electromotor/pump assembly |
| 05/27/1999 | WO1999025999A1 A valve arrangememt |
| 05/27/1999 | WO1999025998A1 A valve arrangement |
| 05/27/1999 | DE19752337A1 Piston pump |
| 05/27/1999 | CA2308349A1 A valve arrangement |
| 05/26/1999 | EP0918158A2 Piston pump |
| 05/26/1999 | CN2320818Y Hydroenergy pump |
| 05/26/1999 | CN2320817Y Mechanical lubricating oil pump for beam-pumping unit |
| 05/20/1999 | WO1999024713A1 Unit comprised of a motor and a radial piston pump |
| 05/19/1999 | EP0808421B1 Adjustable hydrostatic pump |
| 05/19/1999 | EP0774064B1 Integrity confirmation of evaporative emission control system against leakage |
| 05/12/1999 | DE19800747A1 Aggregat, bestehend aus einem Motor und einer Kolbenpumpe Unit consisting of a motor and a piston pump |
| 05/06/1999 | EP0912830A1 Double acting pneumatically driven rolling diaphragm pump |
| 05/06/1999 | EP0912829A1 Dosing pump with magnetic control |
| 04/28/1999 | EP0911042A1 Equipment for dialysis treatment |
| 04/28/1999 | CN1215141A Swashplate for swashplate compressor |
| 04/27/1999 | US5897304 Flow-through vertical filling pump with a plurality of diaphragms |
| 04/27/1999 | US5897302 Reciprocating piston pump with radial cylinders based by a wire hoop spring against an eccentric shaft |
| 04/27/1999 | US5896804 Syringe pump |
| 04/22/1999 | WO1999019009A1 One-hand pulse pump |
| 04/22/1999 | DE19746428A1 Pressure generator with hydraulic pump for utility vehicles |
| 04/21/1999 | EP0809520B1 Pulsed lavage pump |
| 04/14/1999 | EP0908625A2 Absorption refrigeration system pump |
| 04/14/1999 | EP0671980B1 Dispensing device |
| 04/14/1999 | EP0654122B1 Compact high performance fuel system with accumulator |
| 04/13/1999 | US5893707 Pneumatically shifted reciprocating pump |
| 04/07/1999 | EP0906511A1 Pump, especially high pressure pump for use in a fuel injector of an internal combustion engine |
| 04/06/1999 | US5890894 Impression tray for fixed dental prosthesis |
| 04/06/1999 | US5890632 Dispensing pump having universal pump body and readily attachable shroud selected from readily attachable shrouds of different outward shapes |
| 04/06/1999 | US5890415 Liquid pump |
| 03/31/1999 | EP0797860B1 Motor-driven pump unit |
| 03/31/1999 | CN2312344Y Electric or fuel driven machine for concentration and pumping |
| 03/30/1999 | US5887507 Plunger pump |
| 03/25/1999 | WO1999014015A1 Fluid abrasive jets for machining |
| 03/25/1999 | DE19741757A1 Implantable hydraulic bone expansion device |
| 03/24/1999 | EP0903494A1 Hydraulic pump |
| 03/24/1999 | EP0902864A1 Pressure transfer modules |
| 03/24/1999 | CN2311627Y Multi-function automatic pump |
| 03/23/1999 | US5884819 Dispenser for media |
| 03/23/1999 | US5884608 Fuel pump |
| 03/16/1999 | US5881801 Thermally driven liquid pressure generating apparatus |
| 03/10/1999 | CN2310177Y Miniature mechanical pump |
| 03/10/1999 | CN2310176Y Double-action fluid suction/discharge machine |
| 03/09/1999 | US5879375 Implantable device monitoring arrangement and method |
| 03/09/1999 | US5879137 Method and apparatus for pressurizing fluids |
| 03/04/1999 | WO1999010640A1 Method and device for the electronically controlled supply and dosing of cryogenic media in aircraft engines |
| 03/03/1999 | EP0898654A1 Volumetric hand pump |
| 03/03/1999 | EP0898653A2 Hydraulic pressure control system for a pump |
| 03/03/1999 | EP0611428B1 Piston-articulating pin-connecting rod assembly for reciprocating hermetic compressors |
| 03/03/1999 | CN2309438Y Triple discharge pump |
| 03/03/1999 | CN1209413A Pump distributor |
| 03/02/1999 | US5877577 Electric hydraulic hybrid motor, control device and control method for the same motor |
| 03/02/1999 | US5876189 Pumped fluid metering device for the precise feeding of a fluid |
| 02/25/1999 | WO1998052624A3 Volumetric pump with sterility seal |
| 02/25/1999 | DE19736337A1 Cryogenic fuel supply for aircraft engine |
| 02/24/1999 | EP0897473A1 Disposable ambulatory microprocessor controlled volumetric pump |
| 02/24/1999 | CN1208937A Apparatus for inspection and maintenance of pipe-line in water |
| 02/24/1999 | CN1042258C Concrete pump with conveying cylinder |
| 02/11/1999 | WO1999006704A1 Valve cap for the reduction of the clearance volume in radial piston pumps for motor vehicle brake systems |
| 02/11/1999 | WO1999006703A1 Composite piston with integrated sealing element for a radial piston pump in an automobile brake system |
| 02/11/1999 | WO1999006702A1 Piston pump |
| 02/11/1999 | WO1999006697A1 Tubular piston produced by cold forming and closure plug for pump with radial pistons |
| 02/11/1999 | WO1999006696A1 Piston pump |
| 02/11/1999 | DE19731755A1 Vertical water conveying method |
| 02/10/1999 | EP0774074B1 Disposable plastic liquid pump |
| 02/10/1999 | CN2307114Y Aspirator |
| 02/10/1999 | CN1207461A Self-locking fluid driven cylinder-carrying out locking by connecting lead screw to between piston and cylinder body |
| 02/04/1999 | DE19803333A1 Kolbenpumpe Piston pump |
| 02/04/1999 | DE19753083A1 Kolbenpumpe Piston pump |
| 02/04/1999 | DE19750851A1 Kolbenpumpe Piston pump |
| 02/04/1999 | DE19747936A1 Motor vehicle anti-lock hydraulic brake system reciprocating piston pump |
| 02/04/1999 | DE19747850A1 Kolbenpumpe Piston pump |
| 02/03/1999 | EP0894538A2 Pump dispenser |
| 02/03/1999 | EP0894359A1 Electric motor-pump assembly |
| 02/03/1999 | EP0859912A4 Air driven diaphragm pump |
| 02/02/1999 | US5865090 Piston pump |
| 02/02/1999 | US5865040 Gas driven mechanical oscillator and method |
| 01/29/1999 | CA2243915A1 Pump dispenser |
| 01/28/1999 | WO1999004140A1 Volumetric-displacement device having molded pistons and cylinders |
| 01/28/1999 | DE19825575A1 Controllable flow dosage pump |
| 01/27/1999 | CN2305496Y Air compressor for tractor |
| 01/27/1999 | CN1041857C Constant-discharge reciprocating pump for oil field |
| 01/26/1999 | US5863186 Method for compressing gases using a multi-stage hydraulically-driven compressor |
| 01/26/1999 | CA2010891C Breast pump |
| 01/21/1999 | WO1999003191A1 Bearing arrangement for motor driven unit |
| 01/21/1999 | WO1998046881A3 High pressure pump with weep paths |
| 01/20/1999 | CN2304760Y Two speed separate hydraulic jack pump |
| 01/19/1999 | US5860795 Method for underground-reservoir fluids production with pump drive contained within the wellbore |
| 01/19/1999 | US5860794 Double diaphragm pump with air valve block moving in a rectangular pattern |
| 01/13/1999 | EP0890743A2 Swash plate of swash-plate compressor |
| 01/13/1999 | CN2303941Y Pneumatic compressor apparatus |
| 01/12/1999 | US5857431 Animal dental aid |
| 01/07/1999 | EP0889233A2 Compact high performance fuel system with accumulator |
| 01/07/1999 | EP0888822A2 Pump actuator |
| 01/07/1999 | DE19829217A1 Variable fuel pump for vehicle |
| 01/07/1999 | DE19728802A1 Lageranordnung für ein motorangetriebenes Aggregat Bearing assembly for a motor-driven unit |
| 01/07/1999 | DE19726702A1 Vorrichtung, insbesondere Pumpe Device, in particular pump |