Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111) |
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05/24/1988 | US4746279 Hose pump |
05/24/1988 | US4745846 Devices which take in and expel fluid by a chamber which may border a coned ring |
05/11/1988 | EP0267041A2 Diaphragm |
05/05/1988 | DE3735816A1 Pump system for dispensing pressurised fluid |
05/04/1988 | EP0266053A2 Downhole inflatable packer pump and testing apparatus |
05/04/1988 | EP0266036A2 Pressure limiter for a downhole pump and testing apparatus |
05/03/1988 | US4741678 Pulsatile pump |
04/28/1988 | DE3635315A1 High-pressure pump with long-stroke diaphragm |
04/27/1988 | CN87211965U Thin plate relief mechanism of diaphram air compressor |
04/26/1988 | US4740139 Failure sensing device for a diaphragm pump |
04/19/1988 | US4738598 Metering pump with annular elements |
04/12/1988 | US4737083 Diaphragm pump with an elastic filter disk |
04/07/1988 | DE3633173A1 Discharging device |
04/07/1988 | DE3633053A1 Unit with a chamber bounded by at least one conical ring |
04/06/1988 | EP0262151A1 Filter pump head assembly. |
04/06/1988 | CN87210639U Horizontal double-full-sac water supply installation |
04/05/1988 | US4735558 Peristaltic pump latching mechanism |
04/05/1988 | US4735557 Pump for conveying a viscous medium |
04/05/1988 | US4735553 Straight peristaltic pump for conveying concrete or the like |
04/05/1988 | CA1234720A1 Dual diaphragm pump |
03/31/1988 | DE3632717A1 Unit with a diaphragm |
03/29/1988 | CA1234524A1 Suction pump |
03/23/1988 | EP0260464A1 Dosing pump |
03/23/1988 | EP0260463A1 Dosing pump |
03/23/1988 | EP0187735B1 Displacement pump |
03/22/1988 | US4732547 Apparatus for impelling liquid |
03/22/1988 | US4732191 Thermal pumping system for liquid products |
03/16/1988 | EP0259464A1 Method and system for infiltration detection using pressure measurment. |
03/15/1988 | US4730999 Negative pressure supply apparatus for automobiles |
03/15/1988 | US4730993 Squeeze pump |
03/15/1988 | US4730704 Lubricating oil supply system for industrial engines |
03/15/1988 | CA1234022A1 Actuator valve |
03/09/1988 | EP0258541A2 Pneumatic pumping device |
03/09/1988 | EP0258424A1 Intravenous line valving system. |
03/08/1988 | US4729430 Pressure limiter for a downhole pump and testing apparatus |
03/08/1988 | CA1233602A1 Fluid dispensing device |
03/01/1988 | US4728267 Fluid driven reciprocating pump |
03/01/1988 | US4728265 Peristaltic pump with cam action compensator |
03/01/1988 | CA1233492A1 Apparatus for pumping fluent solid material |
03/01/1988 | CA1233363A1 Single valve diaphragm pump with decreased sensitivity to ambient conditions |
03/01/1988 | CA1233362A1 Peristaltic pump |
02/23/1988 | US4726745 Portable fluid pumping device |
02/23/1988 | CA1233069A1 Infusion pump system |
02/16/1988 | US4725205 Peristaltic pump with cam action compensator |
02/11/1988 | WO1987007683A3 Electromagnetic diaphragm pump |
02/10/1988 | CN86208149U Positive displacement pump with shell chamber |
02/02/1988 | US4722230 Pressure gauge for high pressure flow through diaphragm pump |
02/02/1988 | CA1232167A1 Fluid pumping device for use with a fluid pump |
01/28/1988 | DE3724603A1 Diaphragm fuel pump |
01/28/1988 | DE3621766A1 Electromagnetic pump |
01/27/1988 | EP0254450A2 Hydraulic paint pump |
01/20/1988 | EP0252972A1 A pump arrangement, particularly for pumping water from deep wells |
01/19/1988 | US4720249 Peristaltic pump with enhanced tube loading features |
01/12/1988 | CA1231269A2 Air-operated diaphragm pump and a valve arrangement therefor |
01/05/1988 | US4717276 End cap structure for attaching paint sleeve to roller |
12/29/1987 | US4715786 Control method and apparatus for peristaltic fluid pump |
12/29/1987 | US4715435 Dual pump for two separate fluids with means for heat exchange between the fluids |
12/23/1987 | EP0250026A2 Improved pumping device, particularly suitable for compressing fluids on deep sea-bottoms |
12/23/1987 | EP0249655A1 Combined complex plant of diaphragm pumps |
12/17/1987 | WO1987007683A2 Electromagnetic diaphragm pump |
12/17/1987 | DE3719939A1 Electromagnetic diaphragm pump |
12/15/1987 | US4712381 Fluid handling elements and combustion engines |
12/12/1987 | CN86210607U Dual purpose diaphragm type pump |
12/09/1987 | EP0248514A1 System and method for dispensing metered quantities of a fluid |
12/08/1987 | CA1230008A1 Fluid driven pump with one-way valve in fluid inlet |
12/03/1987 | WO1987007218A1 Piezoelectrically operated fluid pump |
12/03/1987 | WO1987007217A1 Ink writing head with piezoelectrically excitable membrane |
12/03/1987 | DE3618106A1 Piezoelektrisch betriebene fluidpumpe Piezoelectric driven fluid pump |
12/02/1987 | EP0247459A1 Pressure-feeding apparatus |
12/02/1987 | EP0176550B1 Peristaltic pump |
12/02/1987 | CN86108797A Pressure-feeding apparatus |
12/01/1987 | US4710109 Diaphragm pumps with improved structural cooling and maintenance |
12/01/1987 | CA1229831A1 Inflatable air pump and method for making an air pump |
11/26/1987 | DE3700931A1 Unit through which a fluid flows, designed for pressures up to several thousand bars |
11/26/1987 | DE3604306A1 Multiple diaphragm reciprocating pump |
11/25/1987 | CN87200265U 电磁输液泵 Electromagnetic infusion pump |
11/24/1987 | US4708604 Pressure surface for a peristaltic pump |
11/24/1987 | US4708601 Dual diaphragm pump |
11/24/1987 | US4708600 Piezoelectric fluid pumping apparatus |
11/19/1987 | WO1987005225A3 Pressure-measurement flow control system |
11/19/1987 | EP0245386A1 Vibratory pump. |
11/17/1987 | US4707315 Tapering, walls, hermetic sealing, heat insulation, polyvinyl chloride, plastisols, curing |
11/17/1987 | US4706746 Downhole inflatable packer pump and testing apparatus |
11/11/1987 | CN86105141A Diaphragm pump |
11/10/1987 | US4705464 Medicine pump |
11/10/1987 | US4705462 Process and device for improving working of liquid pumps |
11/10/1987 | US4705461 Two-component metering pump |
11/10/1987 | US4705458 Fluid operated pump |
11/04/1987 | EP0174309B1 A pump for pumping corrosive fluids |
10/27/1987 | US4702679 Peristaltic pump |
10/22/1987 | WO1987006306A1 Filter pump head assembly |
10/22/1987 | DE3633002A1 High-pressure unit with elements that are resilient in the axial direction, and which is suitable for non-lubricating media |
10/21/1987 | EP0242253A1 Disposable dispenser pump for liquid and pasty products |
10/21/1987 | EP0242077A2 A peristaltic pump |
10/21/1987 | EP0241489A1 Liquid metering device |
10/20/1987 | US4701113 Pump arrangement which includes a working chamber which is bordered by a coned ring with a seal lip on the inner face of the coned ring |
10/20/1987 | US4701107 Two stage pump sampler |
10/15/1987 | DE3710013A1 Diaphragm positive-displacement pump, in particular for abrasive, corrosive liquids with suspended particles, or the like |
10/08/1987 | WO1987005974A1 Two stage pump sampler |
10/07/1987 | EP0239769A2 Pressure-regulating peristaltic pump |