| Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111) |
|---|
| 04/11/1990 | CN2055874U Miniature water pump without water seal |
| 04/11/1990 | CN2055873U 隔膜泵 Diaphragm |
| 04/11/1990 | CN1007540B Single-acting gas-operated pump |
| 04/10/1990 | US4915018 Diaphragm piston assembly |
| 04/10/1990 | US4915017 Diaphragm and a diaphragm-actuated fluid-transfer control device |
| 04/04/1990 | CN2055544U Domestic air compressor |
| 03/28/1990 | CN2055193U Transfusion pump |
| 03/27/1990 | US4911616 Micro miniature implantable pump |
| 03/21/1990 | EP0359556A1 Dual diaphragm apparatus with diaphragm assembly and rupture detection methods |
| 03/21/1990 | CN2054844U Retaining mechanism of peristaltic pump |
| 03/21/1990 | CN2054843U Multi-purpose self suction drain apparatus |
| 03/20/1990 | US4910682 Method of calibrating and determining the rotational and fluid delivery velocities of a peristaltic fluid pump |
| 03/20/1990 | US4909713 Peristaltic pump |
| 03/20/1990 | US4909710 Linear peristaltic pump |
| 03/08/1990 | WO1990002263A1 Mechanical shift, pneumatic assist pilot valve for diaphragm pump |
| 03/06/1990 | US4906168 Peristaltic pump |
| 03/01/1990 | DE3908278A1 Retaining and attachment device |
| 02/28/1990 | EP0355150A1 Pump |
| 02/28/1990 | CN2053684U Siphon generator |
| 02/28/1990 | CN2053683U Manual pump with rubber bulb |
| 02/28/1990 | CN2053682U Telescopic liquid suction device with full-seal cut-off valve |
| 02/27/1990 | US4904168 Cassette assembly for ophthalmic surgery system |
| 02/27/1990 | US4904167 Membranes and neighboring members in pumps, compressors and devices |
| 02/22/1990 | WO1990001638A1 Hose pump |
| 02/21/1990 | EP0355021A2 Pressure infusion device |
| 02/21/1990 | CN2053258U Diaphragm gasbag-type aspirator |
| 02/21/1990 | CN2053257U Fluid cylinder unit for plastic-nested diaphragm metering pump |
| 02/20/1990 | US4902278 Fluid delivery micropump |
| 02/20/1990 | US4902206 Bellows pump |
| 02/14/1990 | EP0354883A1 Pumping device for particularly abrasive slurries |
| 02/14/1990 | EP0354484A1 Dosing pump |
| 02/14/1990 | CN2052827U Pedal inflater |
| 02/08/1990 | WO1990001116A1 Power drive |
| 02/08/1990 | DE3812750A1 Container for pumpable substances having an integrated, peristaltic emptying system, driven pneumatically or hydraulically |
| 02/07/1990 | EP0354154A1 Peristaltic pump |
| 02/07/1990 | EP0173737B1 Pulsatile pump |
| 02/07/1990 | CN2052452U Hand oil suction appliance |
| 02/07/1990 | CN2052451U 膜片泵 Diaphragm pumps |
| 02/06/1990 | US4898519 Deep well solar pump |
| 01/31/1990 | EP0353133A1 Reciprocating-piston pump, especially a manually actuated one |
| 01/31/1990 | CN2052064U Diaphragm pump |
| 01/30/1990 | US4896564 Axial piston motor or pump with an arrangement to thrust the rotor against a shoulder of the shaft |
| 01/24/1990 | CN2051679U Multi-cylinder piston type diaphragm pump |
| 01/23/1990 | US4895500 Micromechanical non-reverse valve |
| 01/23/1990 | US4895494 Interchangeable manifolds for diaphragm pumps |
| 01/17/1990 | EP0350796A2 Two-stroke gas engine |
| 01/17/1990 | EP0350734A1 Piezoelectric lubrication device for a bearing |
| 01/16/1990 | US4893991 Method and means for improving efficiency of peristaltic pumps |
| 01/02/1990 | US4890984 Infusion pump system and conduit therefor |
| 12/28/1989 | WO1989012508A1 Peristaltic voltage block |
| 12/21/1989 | DE3820042A1 Positive displacement pump |
| 12/20/1989 | EP0346784A1 Peristaltic pump adapted to operate simultaneously on two lines |
| 12/20/1989 | EP0222849B1 A hose pump, in particular an insulin pump |
| 12/19/1989 | US4888598 Ink writing head with piezoelectrically excitable membrane |
| 12/14/1989 | WO1989012166A1 Multichamber pump, valve for such a pump and use of the pump |
| 12/13/1989 | EP0345918A1 A peristaltic pump |
| 12/13/1989 | CN2049281U Liquid sucker |
| 12/13/1989 | CN2049280U Four-stage variable volume diaphragm pump |
| 12/13/1989 | CN2049276U Hand water-lifting pump |
| 12/12/1989 | US4886432 Bladder pump assembly |
| 12/12/1989 | US4886431 Peristaltic pump having independently adjustable cartridges |
| 12/12/1989 | US4886429 Electromagnetic pump |
| 12/12/1989 | US4886428 Pump arrangement, particularly for pumping water from deep wells |
| 12/06/1989 | EP0345210A1 Multichambers pump, valve for such a pump and use of it |
| 12/06/1989 | EP0344821A2 A pump arrangement, particularly for pumping water from deep wells |
| 12/06/1989 | EP0344640A1 Peristaltic pump provided with means to contain and guide the flexible suction and delivery pipe within its seat |
| 12/05/1989 | US4885001 Pump with plural flow lines |
| 11/30/1989 | WO1989011302A1 Infusion device with disposable elements |
| 11/30/1989 | DE3810415A1 Pump for pressures exceeding a thousand bar |
| 11/29/1989 | EP0343773A1 Fluid pump apparatus and valve device |
| 11/29/1989 | CN2048522U 万能泵 Universal Pump |
| 11/28/1989 | US4884013 Motor unit for a fluid pump and method of operation |
| 11/28/1989 | US4883412 Variable capacity diaphragm pumps |
| 11/28/1989 | CA1263274A1 Linear drive, dual bellows positive displacement pump |
| 11/23/1989 | DE3815769A1 Brake pressure control device |
| 11/23/1989 | DE3815768A1 Pneumatic brake booster |
| 11/22/1989 | CN2048121U Liquid-pump |
| 11/21/1989 | US4881876 Device for detecting that a membrane in a membrane pump has broken |
| 11/16/1989 | WO1989010862A1 Braking pressure regulating system |
| 11/16/1989 | DE3912310A1 Radial-flow peristaltic (flexible tube) pump |
| 11/08/1989 | CN2047312U Oil pumping device |
| 11/07/1989 | CA1262664A1 Method and apparatus for supplying feedwater to a forced flow boiler |
| 11/02/1989 | WO1989010485A1 Pneumatic valve, particularly for control of compressed-air-operated membrane pumps |
| 11/02/1989 | EP0339857A1 Pump with removable cartridges |
| 11/02/1989 | EP0339528A1 Valve structure from microstructured components |
| 11/02/1989 | DE3813500A1 Diaphragm pump or diaphragm compressor |
| 11/02/1989 | DE3813374A1 Peristaltically operating diaphragm pump |
| 11/02/1989 | DE3813217A1 Temperature-dependent, electromagnetically controlled diaphragm water pump for motor vehicles |
| 10/31/1989 | US4876946 Flexible hose pump |
| 10/26/1989 | DE3811625A1 Pump for pressures exceeding a thousand bar |
| 10/25/1989 | EP0338825A1 Improved dispensing device |
| 10/25/1989 | CN1036619A 挤压泵 Extrusion pump |
| 10/24/1989 | CA1262428A1 Diaphragm with magnet |
| 10/12/1989 | DE3809582A1 Peristaltically operating diaphragm pump |
| 10/11/1989 | CN2045791U Convenient liquid-sucking unit |
| 10/11/1989 | CN2045790U Fully-sealing bellows pump |
| 10/05/1989 | WO1989009340A1 A fluid pumping module |
| 10/04/1989 | CN1036065A 挤压泵 Extrusion pump |
| 09/27/1989 | CN2045027U Hand pistonless compressed water pump |
| 09/26/1989 | US4869646 Continuous peristaltic pump |