| Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236) |
|---|
| 05/18/1993 | US5211611 Planocentric drive mechanism |
| 05/11/1993 | US5209649 Control system for a two-cylinder thick matter pump |
| 05/11/1993 | US5209152 Airfoil changeover device |
| 05/05/1993 | EP0539849A1 Eccentric anti-friction drive for fluid power apparatus |
| 05/05/1993 | CN2132000Y Anti-viscose automatic liquid pump |
| 05/04/1993 | US5207771 Radial plunger type pump with counter weight and washer integrally secured |
| 05/04/1993 | US5207726 Hydraulic pump |
| 04/29/1993 | DE4200495A1 Piston rod assembly with tumbler discs - has hollow lightweight piston with conical tip attached to camshaft ring |
| 04/28/1993 | CN2130938Y Piston sealing spring lamination for manual high-pressure pump |
| 04/28/1993 | CN2130937Y Long-stroke large-displacement low-lift waterpower piston pump |
| 04/27/1993 | US5205723 Hermetically sealed compressor |
| 04/27/1993 | US5205720 Method and apparatus for producing compressed air and water pumping apparatus utilizing the produced air |
| 04/27/1993 | US5205441 Suction and/or discharge valve for a metering and spray pump for dispensing liquid, low-viscosity and pasty substances |
| 04/27/1993 | CA1316778C Air speed control valve air pressure drive hydraulic fluid pump |
| 04/21/1993 | CN1071229A Pulsive resonance pulling machine |
| 04/14/1993 | CN2129833Y Extraction oil pump |
| 04/13/1993 | US5201639 In-line hand pump device |
| 04/13/1993 | CA1316045C Pump station |
| 04/07/1993 | CN2129348Y Multifunction hand-pressuring water pump |
| 04/06/1993 | US5199857 Dual plunger pump system |
| 04/06/1993 | CA1315598C2 Booster pump, particularly for reverse osmosis systems |
| 04/01/1993 | WO1993006370A1 Pump apparatus |
| 04/01/1993 | WO1993006368A1 Double acting simplex plunger pump |
| 04/01/1993 | WO1993005909A1 Double acting cylinder for filling dies with molten metal |
| 04/01/1993 | CA2119582A1 Double acting cylinder for filling dies with molten metal |
| 03/30/1993 | US5198197 Apparatus and method for supercritical fluid extraction |
| 03/16/1993 | US5193988 Reverse osmosis system and automatic cycling booster pump therefor |
| 03/10/1993 | EP0530289A1 Rotary machine. |
| 03/10/1993 | CN2127961Y Manual reciprocating oil suction and injection device |
| 02/24/1993 | EP0528718A1 Reciprocating hydraulic motor |
| 02/24/1993 | EP0528714A1 Gas booster |
| 02/23/1993 | US5188518 Pumping device driven by a fluid driven reciprocating actuator |
| 02/18/1993 | WO1993003295A1 Torque compensated cam assembly and method |
| 02/18/1993 | WO1993003280A1 Diaphragm pump |
| 02/18/1993 | CA2114004A1 Diaphragm pump |
| 02/18/1993 | CA2113472A1 Torque compensated cam assembly and method |
| 02/17/1993 | CN2127121Y Double-way sucking oil hand hydraulic pump |
| 02/17/1993 | CN1069105A Sungle-cylinder, double-action type hydraulic slurry pump |
| 02/17/1993 | CN1069103A Articulating system of controll lever for membrane feed pump |
| 02/16/1993 | US5186368 Shutter for the outlet channel of a dispenser head for semi-liquid substances, and a dispenser head advantageously associated therewith |
| 02/03/1993 | EP0526260A1 Membrane feed pump with articulated driving lever |
| 02/02/1993 | US5183396 Double acting simplex plunger pump |
| 01/26/1993 | US5181551 Double acting cylinder for filling dies with molten metal |
| 01/20/1993 | CN1068008A Pedal high pressure pump for sprinking, applying fertilizer and drawing water |
| 01/13/1993 | CN1067946A 喷射泵 Jet pump |
| 01/07/1993 | WO1993000513A1 Electric-motor-driven hydraulic pump |
| 01/07/1993 | EP0521022A1 Applicator for media. |
| 12/30/1992 | CN2126322U Hand pump for night soil |
| 12/29/1992 | US5174722 Safety shutdown circuit for pneumatic pump system |
| 12/24/1992 | DE4120665A1 Elektromotorisch angetriebene hydraulikpumpe Electric motor-driven hydraulic pump |
| 12/23/1992 | WO1992022748A1 Programmable high pressure intensifier |
| 12/23/1992 | WO1992022747A1 Device for feeding pressurized liquid to a hydraulic circuit |
| 12/22/1992 | US5173188 Automated extractions |
| 12/22/1992 | US5173038 Peristaltic pump |
| 12/22/1992 | US5173035 Reciprocating pump |
| 12/16/1992 | EP0518048A1 Drive device |
| 12/15/1992 | US5170691 Fluid pressure amplifier |
| 12/15/1992 | CA2044704A1 Programmable high pressure intensifier |
| 12/10/1992 | DE4118628A1 Low wear electric membrane pump - has magnetic plate on centre of membrane moved by magnetic field from rotating magnetic plate |
| 12/09/1992 | CN2124325U Hand-operated lifting pump with water tank |
| 12/08/1992 | US5169295 Method and apparatus for compressing gases with a liquid system |
| 12/08/1992 | US5169291 Water heater with shut-off valve |
| 12/08/1992 | CA1311140C Rotary/reciprocatory motion converter |
| 12/01/1992 | US5167837 Filtering and dispensing system with independently activated pumps in series |
| 11/26/1992 | WO1992020920A1 Water heater with shut-off valve |
| 11/24/1992 | US5165866 Bellows pump |
| 11/19/1992 | EP0513324A1 System for reversibly transforming rotary motion into self-guided rectilinear motion. |
| 11/19/1992 | DE4215403A1 Double piston pump for spraying wet concrete or mortar - uses alternating pistons with changeover link to pump material and sensors to detect end of stroke |
| 11/18/1992 | CN2122241U Manually operated oil sucker |
| 11/17/1992 | US5163822 Radial piston pump |
| 11/12/1992 | WO1992019867A1 Process and device for the controlled metering of at least one pourable component |
| 11/12/1992 | WO1992016304A3 Constant-pressure fluid supply system with multiple fluid capability |
| 11/11/1992 | CN2121550U Liquid sucker |
| 11/11/1992 | CN2121546U Double-filter hand driving pump |
| 11/11/1992 | CN1066103A Reciprocating pump compressor swing-stem rope driving transmission mechanism |
| 11/10/1992 | US5161954 De-sludging systems |
| 11/03/1992 | US5160624 Automatic injection; high pressure vessel; high speed |
| 10/28/1992 | CN2120199U Foot water-mill |
| 10/28/1992 | CN2120198U Univeral liquid conveyer |
| 10/28/1992 | CN2120197U Transport vehicle fuel charger |
| 10/28/1992 | CN2120196U Pulsometer |
| 10/21/1992 | EP0509616A2 Switching device for reciprocating pumps |
| 10/21/1992 | CN2119513U Pedal water pump with multiple cylinders |
| 10/21/1992 | CN2119512U Improved structure of small-size air compressor |
| 10/20/1992 | US5156684 Air brush set |
| 10/20/1992 | US5156538 Manual pump |
| 10/20/1992 | CA1309071C Compact piezoelectric fluidic air supply pump |
| 10/15/1992 | DE4204631A1 Radial piston pump for vehicle anti-lock braking system - has needle bearing with rimmed deep drawn metal outer ring |
| 10/14/1992 | EP0508555A2 Switching device for reciprocating pumps |
| 10/14/1992 | CN2118833U Multi-purpose water pump |
| 10/14/1992 | CN2118832U Hand high pressure pump |
| 10/14/1992 | CN1065318A Fluid apparatus having plural cylinders |
| 10/13/1992 | US5154820 Reverse osmosis system with cycled pressure intensifiers |
| 10/13/1992 | US5154328 Unit for dispensing at least one fluid product, in particular a cosmetic or pharmaceutical product, having a pressure actuated, self-sealing, closure outlet |
| 10/11/1992 | WO1992018769A1 Radial pump |
| 10/11/1992 | CA2106201A1 Radial pump |
| 10/07/1992 | EP0507071A1 Compression spring fluid motor |
| 10/07/1992 | CN2118174U Hand power water pump with dual cylinder |
| 10/07/1992 | CN2118173U Hand water pumping device |
| 10/06/1992 | US5152678 Fluid sampling pump |