Patents
Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236)
12/1996
12/17/1996US5584179 Pumping machine and generator system utilizing the same
12/11/1996EP0697066B1 Reciprocating pump
12/11/1996CN2242354Y Pedal type double cylinder water pumping device
12/03/1996US5580447 Biocide filter
11/1996
11/28/1996WO1996037719A1 Piston with connecting rod
11/28/1996DE19518875A1 Kolben mit Pleuelstange Piston with connecting rod
11/27/1996CN1136641A Bellows pump dispenser
11/26/1996US5578752 Process for measuring the flow rate of thick matter pumps
11/26/1996US5577846 Eccentric rolling bearing device
11/20/1996EP0743450A1 Radial piston pump
11/20/1996EP0711378A4 A gas driven mechanical oscillator and method
11/20/1996CN1136305A Fluid-driven apparatus for dispersing plural fluids in a precise proportion
11/19/1996US5575627 High and low pressure two stage pump and pumping method
11/13/1996EP0644791A4 Apparatus and method for supercritical fluid extraction.
11/13/1996CN1033287C High pressure plug pump with digit control electric motor
11/12/1996CA1338695C Multi-phase pumping device with plunger and applications thereof
11/07/1996WO1996034678A1 Fluid-actuated pressurisation device for a sea water or briny water desalination plant
11/07/1996WO1996030757A3 High-pressure micro-volume syringe pump
11/06/1996EP0639099A4 Apparatus and method for supercritical fluid extraction.
11/06/1996EP0639098A4 Apparatus and method for supercritical fluid extraction.
11/05/1996US5571068 Centrifuge assembly
10/1996
10/31/1996WO1996034202A1 Double-acting pump
10/31/1996WO1996034201A1 Double-acting pump
10/31/1996WO1996034186A1 Muffler for air operated reciprocating pumps
10/31/1996CA2217600A1 Double-acting pump
10/23/1996EP0596977B1 Diaphragm pump
10/22/1996US5567477 Method and apparatus for pumping high viscosity fluids
10/22/1996US5567122 Cylinder pump having controllable piston/drive detachment
10/17/1996WO1996008130A3 Hydraulic or pneumatic piston and/or diaphragm pump
10/15/1996US5564913 Air pressure pump with reversible power cylinder
10/15/1996US5564912 Water driven pump
10/15/1996US5564908 Fluid pump having magnetic drive
10/09/1996EP0736689A1 Measuring and injection pumps assembly
10/03/1996WO1996030757A2 High-pressure micro-volume syringe pump
10/02/1996EP0734494A1 Reciprocating pump for pumping hydraulic fluid
10/02/1996EP0588845B1 Device for feeding pressurized liquid to a hydraulic circuit
10/02/1996DE19511885A1 Dispensing plant protective chemicals
09/1996
09/25/1996EP0733170A1 Bearing assembly with axial retention
09/24/1996US5559310 Muffler for air operated reciprocating pumps
09/24/1996US5558506 Pneumatically shifted reciprocating pump
09/24/1996US5558251 Apparatus for metering pigments for paints and the like
09/18/1996CN1131449A Pivoted piston for radial cylinder machine
09/18/1996CN1131045A Fluid pump without volume mort
09/17/1996US5556267 Double acting pump
09/17/1996US5556266 Device for feeding pressurized liquid to a hydraulic circuit
09/17/1996US5556263 Volumetric pump and value
09/12/1996WO1996027938A1 Electric hydraulic hybrid motor, control device and control method for the same motor
09/12/1996WO1996027937A1 Electric hydraulic hybrid motor
09/10/1996US5554011 Medical fluid pump powered by a constant source of vacuum
09/04/1996EP0729548A1 Hydraulic pump
09/04/1996EP0729435A1 Fluid-driven apparatus for dispensing plural fluids in a precise proportion
09/04/1996EP0676010B1 Compact water filtration and purification pump
09/04/1996CN1130413A Gas driven mechanical oscillator and method
08/1996
08/29/1996WO1996026365A1 Apparatus and method for batch-wise continuous pumping
08/29/1996WO1996026000A1 Mixing apparatus for microflow gradient pumping
08/28/1996EP0728489A1 An actuator for pumping elements especially for cardiac assistance devices
08/28/1996CN2233996Y Manual multi-purpose pump
08/28/1996CN2233995Y Portable petal drainage and irrigationd evice with suction and delivery lift
08/27/1996US5549562 Self-contained drip apparatus
08/22/1996WO1996025188A1 Pulsed lavage pump
08/22/1996DE19505512A1 Antriebsvorrichtung für ein künstliches Herz Drive device for an artificial heart
08/21/1996EP0727579A1 Hermetically sealed compressor
08/21/1996EP0727012A1 Offset reciprocable device
08/21/1996EP0671999B1 Noise-reduced pumping set, in particular for regulated brake systems
08/21/1996EP0521022B1 Applicator for media
08/21/1996CN2233470Y Water separation slurry pump
08/20/1996US5547352 Crankshaft driven reciprocating piston pump having plural guide rods
08/20/1996US5547345 Counter for a plural-chamber pneumatic pump
08/15/1996WO1996024768A1 Pump having a check valve arrangement
08/15/1996WO1996024767A1 Process and device for feeding concrete or other thick materials
08/15/1996WO1996024766A1 Adjustable hydrostatic pump
08/15/1996WO1996024394A1 Artificial heart driving device
08/14/1996EP0726097A1 Dosing apparatus adaptable to various containers
08/14/1996EP0592395B1 A pump assembly comprising two displacement pumps
08/14/1996EP0544856B1 Electric-motor-driven hydraulic pump
08/14/1996DE19504220A1 Verstellbare hydrostatische Pumpe Adjustable hydrostatic pump
08/14/1996CN2232990Y Hand high pressure water pump
08/14/1996CN2232989Y High efficiency dual-cylinder hand pump
08/13/1996US5545016 Plural chamber pneumatic pump having a motive fluid exhaust valve
08/13/1996US5544789 Bellows pump dispenser
08/08/1996WO1996023975A1 Plural chamber pneumatic pump
08/08/1996WO1996023974A1 Reciprocating pump
08/08/1996DE19503986A1 Verfahren und Vorrichtung zum Fördern von Beton oder anderen Dickstoffen Method and device for conveying concrete or other thick materials
08/08/1996DE19503621A1 Hubkolbenpumpe Reciprocating pump
08/06/1996US5542918 Vacuum driven fluid pump for an aspiration/irrigation instrument
08/06/1996US5542827 Multiple nested pistons hand priming pump with spring biasing
07/1996
07/31/1996EP0723624A1 Reciprocable device
07/31/1996CN2232092Y Suction pump driven by bicycle
07/23/1996US5538401 Axial piston pump
07/16/1996US5536150 Hydraulic-pneumatic stroke reversal system for pumping units, and its application in preferred embodiments
07/11/1996WO1996021108A1 Pump for conveying a medium
07/10/1996EP0720951A1 Bellows pump dispenser
07/10/1996EP0720687A1 Pivoted piston for radial cylinder machine
07/09/1996US5534145 Compact water filtration pump
07/09/1996US5533879 Manual driven valved piston reciprocating liquid pump
07/09/1996US5533868 Apparatus and method for batch-wire continuous pumping
07/03/1996CN2230363Y Quantitative oil-sucking pump
06/1996
06/27/1996WO1996019665A1 Waterpower machine
06/25/1996US5529467 Connecting rod for a multiple compressor pump
06/25/1996US5529466 Reciprocating valved piston hydraulic pump assembly for anti-lock braking system
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