| Patents for F04D 13 - Pumping installations or systems (12,375) |
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| 04/15/2004 | WO2004031588A1 Arrangement and method for removing heat from a component which is to be cooled |
| 04/15/2004 | WO2004031586A1 Engine coupled pump with 90 degree gearbox |
| 04/14/2004 | EP1327111B1 Method and system for exchanging earth energy between earthly bodies and an energy exchanger, especially to produce an electric current |
| 04/14/2004 | CN2611640Y Light weight diving pump |
| 04/14/2004 | CN2611639Y Wholly shielded electric diving pump |
| 04/14/2004 | CN2611638Y Flexible shaft pump |
| 04/14/2004 | CN2611637Y Friction water pump |
| 04/08/2004 | DE19915255B4 Fördereinrichtung für Kraftstoff Conveyor for fuel |
| 04/08/2004 | DE10344699A1 Heat transfer system for cooling electronic circuit module for a microprocessor, incorporates pump for cooling fluid and fluid to air heat exchanger with ventilation fan remote from circuit module |
| 04/07/2004 | CN2610126Y Midium-pressure frequency control of motor speed control device for submersible electric pump |
| 04/07/2004 | CN2610125Y Pumping motor device with chamber |
| 04/07/2004 | CN2610124Y Water pump driving wheel mounted on motorcycle electromagnetic wheel |
| 04/07/2004 | CN1488186A Canned motor and canned motor pump |
| 04/07/2004 | CN1144954C Magnetically driven pump |
| 04/07/2004 | CN1144938C Magnetic force driving pump of internal combustion engine for vehicle |
| 04/06/2004 | US6717311 Combination magnetic radial and thrust bearing |
| 04/01/2004 | WO2004027211A1 Electric motors for powering downhole tools |
| 04/01/2004 | WO2003103534A3 Percutaneously introduced blood pump and related methods |
| 04/01/2004 | US20040064292 Control system for centrifugal pumps |
| 04/01/2004 | US20040062664 Pump driven by an electromotor and method for producing a pump of this type |
| 04/01/2004 | US20040062658 Control system for progressing cavity pumps |
| 04/01/2004 | US20040062657 Rod pump control system including parameter estimator |
| 04/01/2004 | US20040062648 Impeller |
| 04/01/2004 | US20040061395 Mechanical drive system operating by magnetic force |
| 04/01/2004 | CA2499251A1 Electric motors for powering downhole tools |
| 03/31/2004 | EP1402908A2 Blood pump device and method of producing |
| 03/31/2004 | EP1402185A1 Modular submersible pump |
| 03/31/2004 | EP1033493A4 Stage in a submerged multiple-stage pump |
| 03/31/2004 | CN2608729Y 罐装马达泵结构 Canned motor pump structure |
| 03/31/2004 | CN2608728Y Multifunctional combined centrifugal pump |
| 03/31/2004 | CN2608727Y Friction-wheel centrifugal pump |
| 03/30/2004 | CA2230691C An improved electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellbores |
| 03/25/2004 | WO2003083311B1 Motor pump |
| 03/25/2004 | WO2003078844A3 Pump system with vacuum source |
| 03/25/2004 | DE10242014A1 Transport system with electrically controlled actuator for circulating liquid, e.g. in engine cooling circuit, has electromagnetic coupling for driving pump wheel at different speed than drive |
| 03/24/2004 | EP1400697A1 Apparatus for controlling operating of the devices for recirculating and cooling a cooling fluid in engines |
| 03/24/2004 | EP1399678A1 Pump for transporting a heat exchange medium for a multi-tube reactor |
| 03/24/2004 | CN1483939A Separated axial flow pump |
| 03/24/2004 | CN1143106C Automatic making apparatus and refrigerator |
| 03/23/2004 | US6710558 Electronically commutable motor, in particular, for a liquid pump |
| 03/18/2004 | WO2004022979A1 Centrifugal pump |
| 03/18/2004 | WO2004022939A1 Coolant pumps which can be coupled |
| 03/18/2004 | US20040052645 Method for operating a motor pump |
| 03/18/2004 | DE20217109U1 Electric motor e.g. for circulation pump, has stator that includes magnetic body formed from pressed powder material and rotor that runs on spherical bearings and turned to stator |
| 03/18/2004 | DE10331602A1 Tauchmotorpumpe mit Frostschutzeinrichtung Submersible pump with frost protection device |
| 03/18/2004 | DE10240800A1 Pump with non-metal surface in contact with feed medium circuit for fluid feed medium provided between feed chamber and clearance gap by means of first passage lying outside shaft and second passage lying inside shaft |
| 03/18/2004 | DE10240162A1 Luftbedarfsgesteuerte Kompressoranordnung, insbesondere für Nutzfahrzeuge Demand-driven air compressor assembly, particularly for commercial vehicles |
| 03/17/2004 | EP1398518A2 Drive shaft coupling device with oil supply |
| 03/17/2004 | EP1398510A1 Wet running rotary pump unit |
| 03/17/2004 | EP1398508A2 Canned centrifugal pump |
| 03/17/2004 | CN1142370C 泵装置 Pump device |
| 03/16/2004 | CA2416085A1 A pump |
| 03/11/2004 | WO2004020835A1 Submersible motor-driven pump with an anti-frost device |
| 03/11/2004 | WO2004020834A2 Running stream pump |
| 03/11/2004 | US20040048675 Motor and pump shaft connecting assembly with shaft locating jack ring |
| 03/11/2004 | US20040047753 Ventricular assist system secondary impeller |
| 03/11/2004 | US20040046466 Miniature motor |
| 03/11/2004 | DE20317964U1 Method for mounting central heating pump with the pump supported between the free ends of a fixed bracket |
| 03/11/2004 | CA2497056A1 Submersible motor-driven pump with an anti-freeze device |
| 03/10/2004 | EP1396661A1 Rotary support of pulley for compressor |
| 03/10/2004 | EP1396641A2 Centrifugal pump for electrical household appliances |
| 03/10/2004 | EP1226360B1 A tank and a centrifugal pump for emptying the tank |
| 03/10/2004 | CN1481478A Method for operating motor pump |
| 03/09/2004 | US6702555 Fluid pump having an isolated stator assembly |
| 03/09/2004 | US6702554 Tank and a centrifugal pump for emptying the tank |
| 03/09/2004 | US6702468 Sliding bearing for a magnetically driven centrifugal pump |
| 03/06/2004 | CA2436992A1 Motor and pump shaft connecting assembly with shaft locating jack ring |
| 03/04/2004 | WO2003031815B1 Downhole well pump |
| 03/04/2004 | DE29825017U1 Submersible water pump for e.g. garden watering or for pumping out cellars |
| 03/04/2004 | DE10256792A1 Centrifugal pump, especially a submerged pump, has pressure relief drillings in the wall of the connecting tube around the pump shaft between the bearing housings, to prevent foaming |
| 03/04/2004 | DE10238226A1 Elektrisch kommutierbarer Motor, insbesondere als Nassläufer für Pumpen Electrically commutated motor, especially as glandless pumps for |
| 03/04/2004 | DE10237778A1 Koppelbare Kühlmittelpumpen Linkable coolant pumps |
| 03/03/2004 | EP1394415A2 Capacity controlled compressor for commercial vehicles |
| 03/02/2004 | US6700264 Pump driving system of induction type |
| 03/02/2004 | US6699012 Pressure-increasing device driven by liquid |
| 03/02/2004 | CA2374746C Blood pump device and method of producing |
| 02/26/2004 | WO2004016978A1 Sealing structure of pump |
| 02/26/2004 | WO2004005723A3 Improvements in and relating to pumps |
| 02/26/2004 | US20040037721 Pump stabilizer and method |
| 02/26/2004 | US20040037719 Canned pump |
| 02/26/2004 | US20040037715 Electronic fluid pump |
| 02/26/2004 | US20040035471 Sump liner |
| 02/26/2004 | US20040035110 Method and system for exchanging earth energy between earthly bodies and an energy exchanger, especially to produce an electric current |
| 02/26/2004 | DE4340193B4 Saugeinheit für dentale Zwecke Suction unit for dental purposes |
| 02/26/2004 | DE19958319B4 Abpumpsystem zur Grundwasserabsenkung oder zum Abpumpen von Schlamm- und Hochwassermassen im Katastrophenfall Drainage system for groundwater lowering or for pumping sludge and high water masses in the event of a disaster |
| 02/26/2004 | DE10336947A1 Centrifugal pump has connecting pipe running between bearing carrier housings and enclosing pump shaft, and pressure relief hole is provided in wall of connecting pipe and on inner side has part hollow profile covering it |
| 02/26/2004 | CA2436303A1 Sump liner |
| 02/25/2004 | EP1391984A2 Electrically commutated motor especially for the wet rotor of pumps |
| 02/25/2004 | EP0901574B1 Submerged motor pump |
| 02/25/2004 | CN2604544Y Submersible pump for well use |
| 02/25/2004 | CN2604543Y Seawater special water pump |
| 02/25/2004 | CN1139729C Shielded pipeline pump |
| 02/25/2004 | CN1139726C Performance regulating device for fluid machinery |
| 02/19/2004 | WO2004015274A2 Internal combustion engine combination with direct camshaft drive coolant pump |
| 02/19/2004 | US20040033147 Micro paddle wheel pump for precise pumping, mixing, dispensing, and valving of blood and reagents |
| 02/19/2004 | US20040032999 Rotation support apparatus for compressor pulley |
| 02/18/2004 | CN2603864Y Spontaneous imbibition booster pump |
| 02/18/2004 | CN1475674A Jet power amplifying device |
| 02/18/2004 | CN1138919C Shaftless canned rotor inline pipe pump |
| 02/17/2004 | US6692318 Mixed flow pump |