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)
01/1999
01/06/1999CN1204384A Device with at least two drive cylinders
01/06/1999CN1204008A Pump actuation means
01/06/1999CN1203834A Dispensing pump having universal pump body and readily attachable shroud selected from readily attachable shrouds of different outward shapes
01/05/1999CA2086089C A method and device for producing compressed air and a wataer pumping device using the compressed air
12/1998
12/30/1998WO1998059187A1 Device, specially a pump
12/30/1998EP0887113A1 Pump assembly for trigger dispenser comprising slide-on shroud
12/30/1998CN2302350Y Hand absorbing pump
12/30/1998CN1203322A Compression air-piston motor
12/30/1998CA2241675A1 Pump actuation means
12/24/1998DE19826961A1 Radial piston pump with feed unit and separating arrangement
12/23/1998WO1998058172A1 Radial piston pump
12/23/1998WO1998058171A1 Radial piston pump
12/23/1998EP0886036A2 Compressed air piston motor
12/16/1998EP0883743A1 Apparatus for use in a liquid circulation system and method for using said apparatus
12/16/1998EP0754271A4 Pneumatically shifted reciprocating pump
12/16/1998CN2300737Y Bidirection high-effect electromagnetic pluger pump
12/16/1998CN1201868A Compensative air-pressure driving apparatus
12/15/1998US5848879 Cylinder lining for hydraulic pump
12/13/1998CA2207708A1 Hydraulically actuated pump
12/09/1998EP0882182A1 Yoke support for piston paint pumps
12/09/1998CN1201112A High-pressure supplying pump
12/09/1998CA2239073A1 Hydraulic reciprocating positive-displacement pumping system
12/03/1998WO1998054466A1 Adjustable stop for variable displacement pumps
12/03/1998WO1998053777A1 Solid state fluid delivery system
12/03/1998CA2297180A1 Solid state fluid delivery system
12/02/1998EP0881380A1 High-pressure feed pump
12/01/1998US5843129 Electrical circuit for equipment requiring redundant flow paths and method of use
12/01/1998US5842405 Eccentric arrangement for a reciprocating piston pump
11/1998
11/30/1998CA2238916A1 High pressure feed pump
11/26/1998WO1998053202A1 Motor pump for an abs-braking system in a vehicle
11/26/1998WO1998052624A2 Volumetric pump with sterility seal
11/24/1998US5839888 Well service pump systems having offset wrist pins
11/24/1998US5839621 Pump dispenser
11/24/1998US5839617 Pump dispenser
11/24/1998US5839349 Noise-abated pump unit, in particular for controlled brake systems
11/18/1998EP0808183B1 Artificial heart driving device
11/18/1998CN1040789C Stroke mechanism, especially used in piston pump
11/12/1998WO1998050166A1 Time-controlled ecological atomizer
11/11/1998EP0808422B1 Process and device for feeding concrete or other thick materials
11/11/1998CN1198689A Device of miniaturised construction for producing high pressure in a fluid to be atomised
11/11/1998CN1198511A 流体泵 Fluid pump
11/10/1998US5832727 Hydraulic oil well pump drive system
11/04/1998EP0874954A1 Extruding apparatus with improved drive system
11/04/1998CN2296112Y Sprinkler
11/04/1998CN1197866A Clothes washer having compressed water generation apparatus
10/1998
10/28/1998CN2295854Y Portable liquid pumping device
10/27/1998US5827051 Regenerative hydraulic power transmission for down-hole pump
10/22/1998WO1998046881A2 High pressure pump with weep paths
10/22/1998WO1998046880A1 Water system with a pedal powered reciprocating pump
10/22/1998CA2286004A1 High pressure pump
10/21/1998EP0872683A2 High pressure gas supply
10/21/1998EP0871875A2 High-pressure micro-volume syringe pump
10/21/1998EP0587879B1 Pressure booster
10/21/1998CN1196412A Plunger pump for water jet loom
10/20/1998US5823754 Manual pump
10/20/1998US5823639 Piston pump for delivering hydraulic fluid in a block-protected vehicle braking system
10/14/1998EP0870924A2 Feeding device with dosing pumps
10/14/1998EP0870109A1 Fluid delivery device
10/14/1998EP0869876A1 Tire pressurizing and regulating apparatus
10/14/1998CN2294339Y Man power operation type water pump with low leakage
10/13/1998US5820358 Clearance means to prevent fuel leakage in a radial piston pump
10/13/1998US5819635 Hydraulic-pneumatic motor
10/13/1998US5819533 Hydraulic-pneumatic motor
10/08/1998WO1998044260A1 Device for checking power and working machines
10/08/1998WO1998044258A1 Pump, especially high pressure pump for use in a fuel injector of an internal combustion engine
10/08/1998DE19808095A1 Axial piston engine for driving pump used for pressurisation and transportation of liquid
10/07/1998CN1195391A 往复式机械 Reciprocating Machinery
10/01/1998DE19713358C1 Vorrichtung zum Prüfen von Kraft- und Arbeitsmaschinen und Verfahren zum Koppeln von Kraft- und Arbeitsmaschinen mit einer solchen Vorrichtung Apparatus for testing engines and machines and method for coupling of engines and machines with such a device
10/01/1998DE19712872A1 Pumpe, insbesonder Hochdruckpumpe für eine Kraftstoffeinspritzvorrichtung eines Verbrennungsmotors Pump, insbesonder high pressure pump for a fuel injection device of an internal combustion engine
09/1998
09/30/1998CN1194334A Series pump with auxiliary pump
09/29/1998US5813841 Hydraulic pressure control system for a pump
09/29/1998CA2137095C Downhole pump drive system
09/24/1998DE19755661A1 Tandem pump
09/24/1998DE19752546A1 Piston pump for use in hydraulic brake system of vehicles
09/24/1998DE19752545A1 Piston pump for vehicle brake system
09/24/1998DE19711557A1 Radial piston pump
09/17/1998WO1998040630A1 Hydraulic unit
09/15/1998US5807085 Liquid medicine supplying system with valve devices
09/15/1998US5807083 High pressure gas compressor
09/15/1998US5807078 Hand air pumps
09/15/1998US5807077 Foot operated pump guard
09/15/1998US5807075 Disposable ambulatory microprocessor controlled volumetric pump
09/09/1998EP0863311A2 Liquid transfer pump
09/09/1998EP0862693A1 Reciprocating pump
09/02/1998EP0861375A1 Process and device for controlling a two-cylinder thick medium pump
09/02/1998EP0861374A1 Device with at least two drive cylinders
09/02/1998CN1191935A Gas pump
09/01/1998US5800137 Refrigerating compressor with breakaway pulley portion
09/01/1998US5800063 Hydraulic oil well pump drive system
09/01/1998US5799690 Volumetric pump valve
08/1998
08/26/1998EP0859912A1 Air driven diaphragm pump
08/26/1998CN2289069Y 空气压缩机 Air compressor
08/20/1998WO1998036172A1 High pressure pump
08/20/1998WO1998035888A1 Metering valve for aerosols
08/20/1998CA2280012A1 Metering valve for aerosols
08/19/1998CN1190699A Fuel pluger pump for internal combustion ingine
08/13/1998WO1998034732A1 A dispensing apparatus
08/13/1998CA2280053A1 A dispensing apparatus
08/12/1998EP0639099B1 Apparatus and method for supercritical fluid extraction
08/12/1998EP0639098B1 Apparatus for supercritical fluid extraction
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