Patents for F04D 13 - Pumping installations or systems (12,375) |
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10/21/1998 | EP0777825B1 Pumping unit with very low voltage three-phase motor |
10/21/1998 | CN2295065Y Deep-well electric pump fitted with front impeller |
10/20/1998 | US5823751 Mounting device for submersible electric motor driven pump |
10/08/1998 | WO1998044261A1 Improved mechanical seal for shafts and axles |
10/08/1998 | WO1998028543A3 Device for feeding single-phase and polyphase fluids |
10/07/1998 | EP0821596A4 Sealless rotary blood pump with passive magnetic radial bearings and blood immersed axial bearings |
10/07/1998 | CN2293667Y Integral outer shell submerged pump |
10/07/1998 | CN1195388A Improvement in deep well pump apparatus |
10/06/1998 | US5818131 Linear motor compressor and its application in cooling system |
10/01/1998 | WO1998042981A1 Wind and solar energy installation |
09/30/1998 | CN1194338A Sealing structure of pressure follow and match follow and its motor-pump system |
09/22/1998 | US5810568 Rotary pump with a thermally conductive housing |
09/22/1998 | US5810208 Electrically powered pumping system |
09/17/1998 | DE19802227A1 Immersion pump with lower and upper housing sections |
09/17/1998 | DE19706087A1 Pump for lifting of fluids |
09/16/1998 | EP0864759A2 Pump for cistern |
09/15/1998 | US5807313 Battery powered surgical irrigator |
09/15/1998 | US5806560 Aircraft fuel transfer pump with auxiliary fuel line scavenge pump |
09/08/1998 | US5802869 Absorption refrigerator |
08/26/1998 | EP0860046A1 Rotary pump and process to operate it |
08/26/1998 | EP0680289B1 Liquid separating unit |
08/26/1998 | CN2289080Y Fluid-driven booster-type water flooding pump |
08/25/1998 | US5797731 Group of full-circumferential-flow pumps and method of manufacturing the same |
08/18/1998 | US5795137 Water pump for internal combustion engines |
08/18/1998 | US5795127 Vertical shaft self-priming centrifugal pump |
08/18/1998 | CA2059392C Pressure and recirculating pump |
08/12/1998 | CN1190024A Measure apparatus for medical liquid |
08/06/1998 | WO1998034030A1 Centrifugal process pump with auxiliary impeller |
08/06/1998 | WO1998034009A1 Installation for pumping a two-phase liquid/gas effluent |
08/05/1998 | EP0856666A1 Liquid delivery device, method of controlling such liquid delivery device, and liquid delivery pump |
08/05/1998 | EP0856323A2 Medical liquid metering device |
08/05/1998 | EP0723631B1 Centrifugal pump, especially for fountains |
08/04/1998 | US5788466 Irrigation booster pump system |
07/30/1998 | DE19702477A1 Double pump with two motor=driven centrifugal pumps |
07/29/1998 | EP0855516A1 Wet rotor submersible motor for driving a centrifugal pump |
07/29/1998 | EP0855515A1 Pump, especially adjustable coolant pump, for motor vehicles |
07/29/1998 | CN1188856A Autoatic operation apparatus of pump |
07/28/1998 | US5785507 Evaporative cooler pump |
07/28/1998 | US5785504 Pump with separate pumping stages for pumping a plurality of liquids |
07/28/1998 | US5785491 Liquid pump having a driving unit and a driven unit with a resilient seal therebetween |
07/28/1998 | US5785013 Electrically driven coolant pump for an internal combustion engine |
07/23/1998 | DE19701993A1 Coolant pump for motor vehicles |
07/15/1998 | EP0820562A4 Pump with co-axial magnetic coupling |
07/15/1998 | CN2286249Y Down-draft multi-stage submersible electric pump |
07/14/1998 | US5779456 For transmitting torque to a shaft through a nonmagnetic cylindrical barrier |
07/14/1998 | US5779449 Separable, multipartite impeller assembly for centrifugal pumps |
07/14/1998 | US5779439 Centrifugal liquid pump with internal gas injection |
07/09/1998 | DE19654834A1 Vorrichtung zur schonenden Förderung von ein- und mehrphasigen Fluiden Device for gentle transfer of single- and multiphase fluids |
07/08/1998 | CN2285840Y Flexible sealed submersible pump without pump pipe |
07/08/1998 | CN2285839Y Dual-volute double-outlet connection pipe built-in electric submersible pump |
07/08/1998 | CN1186892A Waste water pump station |
07/02/1998 | WO1998028544A1 Protective device for the power cable of a submerged pump |
07/02/1998 | WO1998028543A2 Device for feeding single-phase and polyphase fluids |
07/01/1998 | CN2285382Y Multi-cylinder submerged electric pump assembly with more than 300 KW power |
06/24/1998 | EP0849473A1 Centrifugal pump casing |
06/24/1998 | EP0849007A2 Method and device for the withdrawal of media |
06/24/1998 | CN1185544A Sealed electric-motor pump |
06/23/1998 | US5769603 Submerged Pump |
06/23/1998 | US5769069 Low flow-rate pump |
06/17/1998 | EP0848173A1 Rotary fluid pump |
06/16/1998 | US5767606 Synchronous electric motor, particularly for submersible pumps, and pump including the motor |
06/10/1998 | EP0846365A1 Canned motor |
06/10/1998 | EP0846364A1 Electric motor |
06/10/1998 | CN2283745Y Floating multipurpose pump |
06/09/1998 | US5763973 Composite barrier can for a magnetic coupling |
06/09/1998 | US5762481 In-tank type fuel pump |
06/04/1998 | DE19748866A1 Encapsulated electric motor powered pump |
06/03/1998 | EP0844961A1 Cargo discharging pump |
06/03/1998 | CN2283139Y Multifunctional submersible pump |
05/27/1998 | EP0844723A2 Electric motor driven pump |
05/14/1998 | WO1997047884A3 Apparatus for providing pressurized liquid to a device, high speed flood cooled motor/generator therefor |
05/14/1998 | DE19646617A1 Coolant pump with electrically commutated electric motor e.g. for IC engine |
05/13/1998 | EP0840835A1 Improvements in deep well pumping apparatus |
05/13/1998 | CN2281432Y Water pump with electric leakage alarm |
05/06/1998 | EP0840013A1 Water pump, especially fire pump |
05/06/1998 | EP0635101B1 Electrically driven high speed pump |
05/06/1998 | CN2280786Y Pneumatic anchoring device for submersible electric-pump |
05/05/1998 | US5746582 Through-tubing, retrievable downhole submersible electrical pump and method of using same |
05/05/1998 | US5746575 Blood pump as centrifugal pump |
04/30/1998 | WO1998018190A1 Electric motor frame suitable for being coupled to a pump |
04/30/1998 | WO1998017874A1 Aircraft fuel transfer pump with auxiliary fuel line scavenge pump |
04/29/1998 | CN2280163Y Improved submerged pump |
04/16/1998 | WO1998015738A1 Procedure for the starting up of pumps |
04/09/1998 | WO1997049440A3 Magnetically suspended miniature fluid pump and method of making the same |
04/01/1998 | EP0832357A1 Blood pump with disposable rotor assembly |
04/01/1998 | CN2277461Y New delivery structure of submersible pump |
03/25/1998 | EP0830512A1 Low flow-rate pump |
03/25/1998 | EP0707500B1 Centrifugal blood pump |
03/25/1998 | CN2277001Y Multi-stage centrifugal liquid chlorine submersible pump with flexible shaft |
03/25/1998 | CN1177064A Automatic sealing pipeless submerged pump |
03/19/1998 | WO1998011650A1 Rotary pump and process to operate it |
03/19/1998 | WO1998011347A1 Implantable electric axial-flow blood pump with blood-cooled bearing |
03/18/1998 | EP0829644A2 Pump unit |
03/18/1998 | CN2276576Y Compound corrosion resistance submerged pump |
03/12/1998 | WO1998009718A1 Modular filtration system |
03/11/1998 | CN2276086Y Pump body combined pipeline pump |
03/11/1998 | CN1176026A Linear motor compressor and its application in cooling system |
03/10/1998 | US5725357 Magnetically suspended type pump |
03/04/1998 | CN2275653Y Improved submersible pump |
02/25/1998 | EP0825704A2 Highly heat-resistant electric motor |