| 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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| 06/06/1995 | US5421711 Downhole pump drive system |
| 06/06/1995 | US5421245 Piston-articulating pin-connecting rod assembly for reciprocating hermetic compressors |
| 06/01/1995 | WO1995014634A1 Fluid-driven apparatus for dispensing plural fluids in a precise proportion |
| 06/01/1995 | CA2177142A1 Fluid-driven apparatus for dispensing plural fluids in a precise proportion |
| 05/31/1995 | CN2199324Y Motor positioning base for air compressor |
| 05/26/1995 | WO1995014170A1 Hydraulic pump |
| 05/24/1995 | EP0654330A1 Ultrahigh pressure control device |
| 05/24/1995 | EP0654278A2 Volumetric pump/valve |
| 05/24/1995 | EP0654122A1 Compact high performance fuel system with accumulator |
| 05/24/1995 | CN2198403Y Power saving oil pump |
| 05/24/1995 | CN2198402Y Suction flow pump |
| 05/24/1995 | CN2198401Y Closed waterwheel |
| 05/24/1995 | CN2198400Y Plunger inner curve water pump |
| 05/17/1995 | EP0653521A2 Toilet, in particular portable toilet for boats, caravans or mobile homes |
| 05/17/1995 | EP0365563B1 A rotary/reciprocatory motion converter |
| 05/17/1995 | CN2197478Y Continuous vertical two cylinder water-suction machine driven by foot stamping |
| 05/16/1995 | US5415531 Piston pump for fluent materials |
| 05/16/1995 | US5415489 Reciprocating driver apparatus |
| 05/10/1995 | CN2196696Y Hand-press pump for drawing water |
| 05/04/1995 | DE4336673A1 Radial piston pump |
| 05/02/1995 | US5411381 Reciprocating pump |
| 05/02/1995 | US5411183 Liquid spray or foam dispensing apparatus |
| 05/02/1995 | US5411177 Foam dispensing apparatus |
| 04/26/1995 | EP0513324B1 System for reversibly transforming rotary motion into self-guided rectilinear motion |
| 04/26/1995 | EP0446274B1 Non-icing quiet air-operated pump |
| 04/26/1995 | CN1101966A Powerless oil pump |
| 04/25/1995 | US5409355 Diaphragm pump |
| 04/20/1995 | WO1995010695A1 Offset reciprocable device |
| 04/20/1995 | WO1995010690A1 Reciprocable device |
| 04/19/1995 | EP0530289B1 Rotary machine |
| 04/12/1995 | EP0647291A1 A gas compressor |
| 04/11/1995 | US5404855 Variable displacement high pressure pump for fuel injection systems |
| 04/11/1995 | US5404767 Driving mechanism |
| 04/06/1995 | WO1995009016A1 Infinitely variable pneumatic pulsatile pump |
| 03/30/1995 | WO1995008696A1 Pivoted piston for radial cylinder machine |
| 03/30/1995 | DE4331910A1 Reciprocating fluidic-medium pump |
| 03/30/1995 | CA2172516A1 Pivoted piston for radial cylinder machine |
| 03/29/1995 | EP0644791A1 Apparatus and method for supercritical fluid extraction |
| 03/29/1995 | CN2193442Y Hand hydraulic pump for hydraulic system of cable disk trailer |
| 03/29/1995 | CN2193441Y Full plastic man-power pump |
| 03/29/1995 | CN2193440Y Hand vacuum pump |
| 03/29/1995 | CN2193439Y Self-sucking hand pump |
| 03/29/1995 | CA2107146A1 Severe service compressor system |
| 03/22/1995 | CN2192739Y Non-leak hand pump |
| 03/21/1995 | US5399071 Pressure booster |
| 03/21/1995 | CA1334812C Fluid transfer device |
| 03/14/1995 | US5397144 Bicycle operated air pump |
| 03/08/1995 | EP0641933A1 Dosing device |
| 03/08/1995 | CN2191296Y High-pressure large-drain radial plunger pump with two rotors |
| 03/07/1995 | US5395219 Hydraulic pump having cam driven, spring biased piston |
| 02/28/1995 | US5393434 Liquid chromatography method |
| 02/28/1995 | US5393420 Liquid chromatography system |
| 02/22/1995 | EP0639099A1 Apparatus and method for supercritical fluid extraction |
| 02/22/1995 | EP0639098A1 Apparatus for supercritical fluid extraction |
| 02/21/1995 | US5391060 Air operated double diaphragm pump |
| 02/15/1995 | EP0638721A1 Feed pump |
| 02/14/1995 | US5388725 Fluid-driven apparatus for dispensing plural fluids in a precise proportion |
| 02/09/1995 | DE4427479A1 Abmessen von flüsssigen Zusatzstoffen Measure out flüsssigen additives |
| 02/09/1995 | DE4332947A1 Stroke gearing, in particular for thrust-piston pumps |
| 02/07/1995 | US5387089 Method and apparatus for compressing gases with a liquid system |
| 02/02/1995 | WO1995003491A1 Continuous conveying process and device for shear-sensitive fluids |
| 02/01/1995 | EP0636788A1 Volumetric piston pump driven by an alternating linear movement |
| 02/01/1995 | EP0446331B1 Piston pump and piston pump and motor assembly |
| 02/01/1995 | CN2188659Y 活塞泵 Piston pump |
| 01/31/1995 | US5385452 Hydraulic fluid pressurizer with fluid cushioning means |
| 01/31/1995 | US5385413 Bearing assembly with axial retention |
| 01/26/1995 | WO1995002764A1 High pressure pump system and method of operation thereof |
| 01/26/1995 | CA2167197A1 High pressure pump system and method of operation thereof |
| 01/25/1995 | EP0635096A1 Magnetically actuated fluid motor |
| 01/25/1995 | CN2188135Y Hand pump for well |
| 01/24/1995 | US5383437 Integrity confirmation of evaporative emission control system against leakage |
| 01/18/1995 | EP0634223A1 Improved liquid suction and exhaust device and apparatus for dispersing liquid comprising such a device |
| 01/17/1995 | US5381702 Hybrid electro-mechanical-hydraulic drive system, and method of operating same |
| 01/12/1995 | DE4422819A1 High-pressure pump |
| 01/11/1995 | EP0632866A1 Process for measuring the flow rate of thick matter pumps |
| 01/10/1995 | US5380428 Pump for reverse osmosis system |
| 01/10/1995 | CA2028098C Apparatus for and method of managing liquid under pressure |
| 01/04/1995 | EP0632403A2 Handwritten symbol recognizer |
| 01/04/1995 | CN2186805Y Liquid extracting tube |
| 01/03/1995 | US5377708 Apparatus for processing wafers |
| 12/31/1994 | CA2125312A1 Handwritten symbol recognizer |
| 12/28/1994 | CN2186312Y Multifunction hand aspirating apparatus |
| 12/27/1994 | US5375982 Radial pump |
| 12/27/1994 | US5375979 Thermal micropump with values formed from silicon plates |
| 12/22/1994 | WO1994029033A1 Hydraulic pumping device |
| 12/22/1994 | DE4420861A1 Crank drive arrangement |
| 12/21/1994 | CN2185811Y High pressure radial plunger-type fuel pump |
| 12/20/1994 | US5374168 Reciprocating piston fluid pump |
| 12/08/1994 | WO1994028303A1 Ultrahigh pressure generating device |
| 12/08/1994 | WO1994027794A1 Ultrahigh pressure control device |
| 12/08/1994 | DE4419057A1 Apparatus for reducing the friction and wear in a slider-crank mechanism |
| 12/08/1994 | DE4318267A1 Multi-cylinder feed pump for thick matter or the like |
| 12/07/1994 | CN2184799Y Hand rocking double cylinder water pump |
| 12/07/1994 | CN2184798Y Liquid pumping device |
| 11/30/1994 | CN2184103Y Double-cylinder forced suction device |
| 11/30/1994 | CN2184102Y Manual pump with drawing-filling function to liquid |
| 11/30/1994 | CN1095794A Pumping machine and generator system utilizing the same |
| 11/24/1994 | WO1994027131A1 Leak detection assembly |
| 11/24/1994 | WO1994027045A1 Electromotor-pump assembly |
| 11/24/1994 | WO1994027041A1 Compact high performance fuel system with accumulator |