Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members
Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236)
11/1999
11/30/1999US5993422 Device for dosing medicinal fluids
11/30/1999US5993181 Process and device for feeding concrete or other thick materials
11/30/1999US5993179 Housing block with a piston pump for a brake system
11/30/1999US5993172 Method and apparatus for pressure processing a pumpable substance
11/30/1999US5992944 Pump devices
11/30/1999US5992696 Manifold for a metering cylinder
11/30/1999US5992695 Dispensing system
11/30/1999US5992222 High pressure pump system and method of operation thereof
11/24/1999EP0958063A1 A dispensing apparatus
11/24/1999EP0958040A1 Process for conveying materials and device for implementing it
11/24/1999CN2350555Y Water-filled submersible sewage pump
11/23/1999US5988991 Simplified energy transforming structure
11/23/1999US5988196 Cyclically-operated hydraulic device particularly useful as a liquid pulsators, and method of operating same
11/23/1999US5988028 Process for conveying thick matter containing preshredded scrap metal or similar solids
11/17/1999EP0956801A2 Pump with fragile seal membrane
11/10/1999EP0954702A1 Piston pump and method of reducing vapor lock
11/10/1999EP0954697A1 Fuel pumping device for two-stroke engines with an additional driving unit
11/10/1999CN1234853A Piston pump and method of reducing vapor lock
11/09/1999US5980215 Adjustable hydrostatic pump with additional pressure change control unit
11/09/1999US5979297 Perfected piston pump in particular a radial-piston pump for internal combustion engine fuel
11/04/1999DE19817662A1 Hand pump for deep well with coin-operated dispenser, force-saving mechanical drive, low-cost delivery lines and force transfer arrangement
11/03/1999EP0953763A2 Manual pump
11/03/1999EP0953381A2 Fluid pump dispenser
11/03/1999CN1233579A Fluid pump dispenser
11/02/1999US5976184 Artificial heart driving device
11/02/1999US5975860 Vibration torsion system damper for a shaft of a compressor
11/02/1999US5975376 Dispensing pump having universal pump body and readily attachable shroud selected from readily attachable shrouds of different outward shapes
11/02/1999US5975360 Capped piston pump
10/1999
10/27/1999EP0951342A1 Fluid driven pumps and apparatus employing such pumps
10/27/1999EP0846007A4 Diaphragm pump and pump mounted in a carrying case useful in breast pumping
10/27/1999CN2345723Y Plunger-type air pump
10/21/1999DE19816044A1 Radial piston pump for producing high fuel pressure in the fuel injection system of an internal combustion engine, particularly common rail injection systems
10/20/1999EP0950815A2 Piston and diaphragm for a reciprocating pump
10/19/1999US5968015 Injector head for medical use
10/14/1999WO1999051882A1 Diaphragm pump and pump for double-breast pumping
10/13/1999CN2343374Y Pedal water pump with double pumping chamber
10/13/1999CN1231259A Media dispenser
10/12/1999US5964416 Device for producing high pressure in a fluid in miniature
10/07/1999DE19912984A1 Vorspannungs-Kolben-Betätigungsglied Bias piston actuator
10/05/1999US5961006 Pump assembly for use with volumetric container
10/05/1999US5960699 Hydraulic pump unit
10/05/1999US5960697 Axial piston machine
09/1999
09/29/1999CN2340933Y Multifunctional stepping water pump
09/28/1999US5957674 Variable-discharge high pressure pump
09/28/1999US5957669 Diaphragm pump including improved drive mechanism and pump head
09/28/1999US5957666 Tandem-type pump having an auxiliary pump
09/28/1999US5957153 Oscillating dual bladder balanced pressure proportioning pump system
09/23/1999WO1999047810A1 Combination of shim and cam
09/15/1999EP0942171A2 Double diaphragm pump
09/15/1999EP0692072B1 Pressure medium driven device performing linear motion
09/14/1999US5951517 For dispensing a fluid
09/14/1999US5951265 Fluid driven reciprocating engine or pump having overcenter, snap-action mechanical valve control
09/09/1999DE19907869A1 Plunger piston pump for delivering fuel by reciprocating motion, especially for motor vehicle's fuel injection system
09/09/1999DE19809592A1 Piston pump for motor vehicle's anti-blocking brake system
09/03/1999CA2264202A1 Reverse osmosis pump and shut off valve
09/01/1999EP0938934A2 Dispenser for products in all states of matter
09/01/1999EP0938399A1 Fluid abrasive jets for machining
08/1999
08/31/1999US5944495 For pumping fluids from a fluid source to a fluid sink
08/31/1999US5943860 Pressure loss compensation device of a fluid pressure circuit and cam arrangement incorporating the same
08/25/1999CN2334901Y Hand boosting water pump
08/24/1999US5941533 Volumetric pump/valve sphincter seal
08/24/1999CA2012776C Reciprocating compressor
08/18/1999EP0935711A1 Valve cap for the reduction of the clearance volume in radial piston pumps for motor vehicle brake systems
08/18/1999EP0935710A1 Composite piston with integrated sealing element for a radial piston pump in an automobile brake system
08/18/1999EP0827579B1 Piston with connecting rod
08/18/1999CN1044735C Reciprocating pump
08/17/1999US5938416 Liquid transfer apparatus having a plunger pump and a diaphragm pump for cleaning the plunger during its reciprocating motion
08/17/1999US5937734 Reciprocating pump
08/12/1999DE19803529A1 Pneumatic control device for a reciprocating piston dosing pump
08/11/1999EP0934123A1 Pump
08/11/1999CN2332826Y Portable engine oil sucking device
08/10/1999US5934889 Pump driven by cam having the cylinder supported by the cam shaft
08/10/1999US5934560 Engine fuel injector
08/10/1999US5934173 Reciprocating plunger pump
08/05/1999DE19803585A1 Pump for viscous masses
08/04/1999EP0932764A1 Piston pump
08/04/1999EP0932762A1 Tubular piston produced by cold forming and closure plug for pump with radial pistons
08/04/1999EP0932761A1 Piston pump
08/04/1999CN1225157A Dosing pump with magnetic control
08/03/1999US5932945 Motor-and-pump assembly
08/03/1999US5932095 Multi-chambered supercritical fluid extraction cartridge
08/03/1999US5931647 For pumping fluids from a fluid source to a fluid sink
07/1999
07/28/1999CN2330806Y Water pressure acceleration device
07/27/1999US5927957 Plunger device and method of making and using the same thereof
07/27/1999US5927073 Electric hydraulic hybrid motor
07/22/1999WO1999036699A1 Hydraulic pressure supply pump with multiple sequential plungers
07/22/1999WO1999036686A1 Hydraulic pump with engine mounted drive bearing
07/22/1999DE19801188A1 Foot pump for driving hydraulic tools, cylinders, and suchlike, and could be used to drive cutting tool for separation of cables under tension
07/21/1999EP0929743A1 Radial piston pump
07/21/1999EP0898654A4 Volumetric hand pump
07/20/1999US5924975 Linear pump
07/20/1999US5924853 High pressure pump
07/20/1999US5924448 For controlling the supply of working fluid
07/13/1999US5921447 Flow-through metered aerosol dispensing apparatus and method of use thereof
07/06/1999CA2021860C Dispensing assembly for at least one product, as a cosmetic product such as a cream, a liquid or a powder
06/1999
06/30/1999EP0925449A1 Radial piston pump with a closed one-sided bearing shell
06/30/1999CN2326746Y Recovering bed capable of integrally changing to support humanbody
06/23/1999EP0923674A1 Unit consisting of an electric motor and of a working machine driven thereby
06/22/1999US5913665 Fill pump with rolling diaphragms attached by vacuum to the piston
06/15/1999US5911881 Biasing device that guides file into restrictor
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