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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12/17/1996 | US5584179 Pumping machine and generator system utilizing the same |
12/11/1996 | EP0697066B1 Reciprocating pump |
12/11/1996 | CN2242354Y Pedal type double cylinder water pumping device |
12/03/1996 | US5580447 Biocide filter |
11/28/1996 | WO1996037719A1 Piston with connecting rod |
11/28/1996 | DE19518875A1 Kolben mit Pleuelstange Piston with connecting rod |
11/27/1996 | CN1136641A Bellows pump dispenser |
11/26/1996 | US5578752 Process for measuring the flow rate of thick matter pumps |
11/26/1996 | US5577846 Eccentric rolling bearing device |
11/20/1996 | EP0743450A1 Radial piston pump |
11/20/1996 | EP0711378A4 A gas driven mechanical oscillator and method |
11/20/1996 | CN1136305A Fluid-driven apparatus for dispersing plural fluids in a precise proportion |
11/19/1996 | US5575627 High and low pressure two stage pump and pumping method |
11/13/1996 | EP0644791A4 Apparatus and method for supercritical fluid extraction. |
11/13/1996 | CN1033287C High pressure plug pump with digit control electric motor |
11/12/1996 | CA1338695C Multi-phase pumping device with plunger and applications thereof |
11/07/1996 | WO1996034678A1 Fluid-actuated pressurisation device for a sea water or briny water desalination plant |
11/07/1996 | WO1996030757A3 High-pressure micro-volume syringe pump |
11/06/1996 | EP0639099A4 Apparatus and method for supercritical fluid extraction. |
11/06/1996 | EP0639098A4 Apparatus and method for supercritical fluid extraction. |
11/05/1996 | US5571068 Centrifuge assembly |
10/31/1996 | WO1996034202A1 Double-acting pump |
10/31/1996 | WO1996034201A1 Double-acting pump |
10/31/1996 | WO1996034186A1 Muffler for air operated reciprocating pumps |
10/31/1996 | CA2217600A1 Double-acting pump |
10/23/1996 | EP0596977B1 Diaphragm pump |
10/22/1996 | US5567477 Method and apparatus for pumping high viscosity fluids |
10/22/1996 | US5567122 Cylinder pump having controllable piston/drive detachment |
10/17/1996 | WO1996008130A3 Hydraulic or pneumatic piston and/or diaphragm pump |
10/15/1996 | US5564913 Air pressure pump with reversible power cylinder |
10/15/1996 | US5564912 Water driven pump |
10/15/1996 | US5564908 Fluid pump having magnetic drive |
10/09/1996 | EP0736689A1 Measuring and injection pumps assembly |
10/03/1996 | WO1996030757A2 High-pressure micro-volume syringe pump |
10/02/1996 | EP0734494A1 Reciprocating pump for pumping hydraulic fluid |
10/02/1996 | EP0588845B1 Device for feeding pressurized liquid to a hydraulic circuit |
10/02/1996 | DE19511885A1 Dispensing plant protective chemicals |
09/25/1996 | EP0733170A1 Bearing assembly with axial retention |
09/24/1996 | US5559310 Muffler for air operated reciprocating pumps |
09/24/1996 | US5558506 Pneumatically shifted reciprocating pump |
09/24/1996 | US5558251 Apparatus for metering pigments for paints and the like |
09/18/1996 | CN1131449A Pivoted piston for radial cylinder machine |
09/18/1996 | CN1131045A Fluid pump without volume mort |
09/17/1996 | US5556267 Double acting pump |
09/17/1996 | US5556266 Device for feeding pressurized liquid to a hydraulic circuit |
09/17/1996 | US5556263 Volumetric pump and value |
09/12/1996 | WO1996027938A1 Electric hydraulic hybrid motor, control device and control method for the same motor |
09/12/1996 | WO1996027937A1 Electric hydraulic hybrid motor |
09/10/1996 | US5554011 Medical fluid pump powered by a constant source of vacuum |
09/04/1996 | EP0729548A1 Hydraulic pump |
09/04/1996 | EP0729435A1 Fluid-driven apparatus for dispensing plural fluids in a precise proportion |
09/04/1996 | EP0676010B1 Compact water filtration and purification pump |
09/04/1996 | CN1130413A Gas driven mechanical oscillator and method |
08/29/1996 | WO1996026365A1 Apparatus and method for batch-wise continuous pumping |
08/29/1996 | WO1996026000A1 Mixing apparatus for microflow gradient pumping |
08/28/1996 | EP0728489A1 An actuator for pumping elements especially for cardiac assistance devices |
08/28/1996 | CN2233996Y Manual multi-purpose pump |
08/28/1996 | CN2233995Y Portable petal drainage and irrigationd evice with suction and delivery lift |
08/27/1996 | US5549562 Self-contained drip apparatus |
08/22/1996 | WO1996025188A1 Pulsed lavage pump |
08/22/1996 | DE19505512A1 Antriebsvorrichtung für ein künstliches Herz Drive device for an artificial heart |
08/21/1996 | EP0727579A1 Hermetically sealed compressor |
08/21/1996 | EP0727012A1 Offset reciprocable device |
08/21/1996 | EP0671999B1 Noise-reduced pumping set, in particular for regulated brake systems |
08/21/1996 | EP0521022B1 Applicator for media |
08/21/1996 | CN2233470Y Water separation slurry pump |
08/20/1996 | US5547352 Crankshaft driven reciprocating piston pump having plural guide rods |
08/20/1996 | US5547345 Counter for a plural-chamber pneumatic pump |
08/15/1996 | WO1996024768A1 Pump having a check valve arrangement |
08/15/1996 | WO1996024767A1 Process and device for feeding concrete or other thick materials |
08/15/1996 | WO1996024766A1 Adjustable hydrostatic pump |
08/15/1996 | WO1996024394A1 Artificial heart driving device |
08/14/1996 | EP0726097A1 Dosing apparatus adaptable to various containers |
08/14/1996 | EP0592395B1 A pump assembly comprising two displacement pumps |
08/14/1996 | EP0544856B1 Electric-motor-driven hydraulic pump |
08/14/1996 | DE19504220A1 Verstellbare hydrostatische Pumpe Adjustable hydrostatic pump |
08/14/1996 | CN2232990Y Hand high pressure water pump |
08/14/1996 | CN2232989Y High efficiency dual-cylinder hand pump |
08/13/1996 | US5545016 Plural chamber pneumatic pump having a motive fluid exhaust valve |
08/13/1996 | US5544789 Bellows pump dispenser |
08/08/1996 | WO1996023975A1 Plural chamber pneumatic pump |
08/08/1996 | WO1996023974A1 Reciprocating pump |
08/08/1996 | DE19503986A1 Verfahren und Vorrichtung zum Fördern von Beton oder anderen Dickstoffen Method and device for conveying concrete or other thick materials |
08/08/1996 | DE19503621A1 Hubkolbenpumpe Reciprocating pump |
08/06/1996 | US5542918 Vacuum driven fluid pump for an aspiration/irrigation instrument |
08/06/1996 | US5542827 Multiple nested pistons hand priming pump with spring biasing |
07/31/1996 | EP0723624A1 Reciprocable device |
07/31/1996 | CN2232092Y Suction pump driven by bicycle |
07/23/1996 | US5538401 Axial piston pump |
07/16/1996 | US5536150 Hydraulic-pneumatic stroke reversal system for pumping units, and its application in preferred embodiments |
07/11/1996 | WO1996021108A1 Pump for conveying a medium |
07/10/1996 | EP0720951A1 Bellows pump dispenser |
07/10/1996 | EP0720687A1 Pivoted piston for radial cylinder machine |
07/09/1996 | US5534145 Compact water filtration pump |
07/09/1996 | US5533879 Manual driven valved piston reciprocating liquid pump |
07/09/1996 | US5533868 Apparatus and method for batch-wire continuous pumping |
07/03/1996 | CN2230363Y Quantitative oil-sucking pump |
06/27/1996 | WO1996019665A1 Waterpower machine |
06/25/1996 | US5529467 Connecting rod for a multiple compressor pump |
06/25/1996 | US5529466 Reciprocating valved piston hydraulic pump assembly for anti-lock braking system |