| Patents for F04D 1 - Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (3,447) |
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| 08/19/2010 | DE102009008792A1 Kraftstoffpumpe und Verfahren zur Fertigung einer Kraftstoffpumpe Fuel pump and method of fabricating a fuel pump |
| 08/18/2010 | CN201554693U Self-balancing section horizontal pumping device |
| 08/18/2010 | CN201554657U Water pump provided with centrifugal wheel |
| 08/17/2010 | US7775763 Centrifugal pump with rotor thrust balancing seal |
| 08/11/2010 | CN201546969U Stainless steel horizontal-type end suction multi-stage centrifugal pump |
| 08/11/2010 | CN201546968U Singe-stage double-suction centrifugal pump |
| 08/11/2010 | CN201546967U Fire-fighting stabilized pressure pump |
| 08/11/2010 | CN201546966U Centrifugal pump |
| 08/11/2010 | CN101799014A Pump for molten salt |
| 08/11/2010 | CN101799013A Double-stage pump body device of pump for molten salt |
| 08/04/2010 | CN201539428U Thin-wall steel tube |
| 08/04/2010 | CN201539414U Multi-stage pump |
| 08/04/2010 | CN101793254A Single-stage horizontal automatic balancing centrifugal sealing pump |
| 08/03/2010 | US7766613 Pump and liquid supply system |
| 07/28/2010 | CN201535257U Vertical tube bag type coagulated water pump |
| 07/28/2010 | CN201535256U Punching and welding line pump |
| 07/28/2010 | CN201535255U Splint-type special industrial pump |
| 07/28/2010 | CN201535254U Peripheral canned pump |
| 07/28/2010 | CN201535253U 一种旋涡泵 One kind of vortex pump |
| 07/27/2010 | CA2385897C Variable flow impeller-type water pump with movable shroud |
| 07/21/2010 | EP2207966A1 Two-stage rotodynamic blood pump |
| 07/21/2010 | CN201531429U Scroll pump |
| 07/08/2010 | DE102005031420B4 Kombinierte Tauch-/Flachabsaug-Rotationspumpe mit konzentrischer Laufradeintrittsöffnung Combined splash / Flachabsaug-rotary pump with concentric impeller inlet opening |
| 07/07/2010 | CN201521471U Pump core fixing mechanism of stainless steel vertical multistage centrifugal pump |
| 07/07/2010 | CN201521449U High-pressure multi-level water-feeding pump |
| 07/07/2010 | CN201521448U Easily disassembled pipeline centrifugal pump |
| 07/07/2010 | CN201521447U Underground annulus suction turbine pump |
| 07/07/2010 | CN201521446U 农用水泵 Agricultural pumps |
| 07/01/2010 | WO2010074979A1 Centrifugal pump with offset volute |
| 07/01/2010 | DE102008064162A1 Kreiselpumpe mit einer feststehenden Achse Centrifugal pump with a fixed axis |
| 07/01/2010 | DE102008064099A1 Kreiselpumpe mit einer feststehenden Achse Centrifugal pump with a fixed axis |
| 06/30/2010 | CN201517509U Multi-stage immersible pump |
| 06/30/2010 | CN201517507U Sterile-type centrifugal pump |
| 06/30/2010 | CN201517506U Pipeline pump for transformer |
| 06/30/2010 | CN101761515A circulator |
| 06/30/2010 | CN101761485A Righting type downhole annular suction turbopump |
| 06/24/2010 | US20100158672 Spiral pumping stage and vacuum pump incorporating such pumping stage |
| 06/23/2010 | CN101749276A Split type deflector |
| 06/23/2010 | CN101749251A Scroll casing type radial split three-grade process pump |
| 06/23/2010 | CN101749250A First-stage double-absorption section self-balanced multiple-stage centrifugal pump |
| 06/23/2010 | CN101749249A Waterpump for coolant transportation in a low temperature- and high temperature circulation system |
| 06/17/2010 | DE102008062584A1 Reduzierbare Entlastungsöffnung Collapsible discharge opening |
| 06/17/2010 | DE102008061407A1 Wasserpumpe zur Kühlmittelförderung in einem Niedertemperatur-sowie einem Hochtemperatur-Kreislauf Water pump for conveying coolant in a low temperature and a high temperature circuit |
| 06/17/2010 | DE102008054766A1 Water-guiding household appliance has fluid pump, particularly brine pump with electric motor, where impeller is driven by electric motor |
| 06/16/2010 | EP1540189B1 Restraining device for fan blade root |
| 06/16/2010 | CN201507454U Pipeline pump |
| 06/16/2010 | CN101737350A Balance disk wear indicating device for high-lift multi-stage centrifugal pump |
| 06/16/2010 | CN101737336A Multistage radial turbine compressor |
| 06/16/2010 | CN101737335A High-lift multi-stage centrifugal pump |
| 06/16/2010 | CN101737334A swirler |
| 06/09/2010 | CN201502533U Water intake apparatus of bag-type condensate pump |
| 06/09/2010 | CN201502532U Stamping-welded semi-opened type impeller centrifugal pump |
| 06/09/2010 | CN101725537A Methods and devices utilizing centrifugal force |
| 06/09/2010 | CN101725536A Portable fire pump |
| 06/09/2010 | CN101725535A Open type transient centrifugal pump |
| 06/02/2010 | DE102008060408A1 Flüssigkeitspumpe Liquid pump |
| 06/02/2010 | CN201496277U Cross-flow fan |
| 06/02/2010 | CN201496276U Concealed forced circulation pump used for balcony wall-mounted type solar water heating system |
| 06/02/2010 | CN201496275U Novel water pump |
| 06/02/2010 | CN201496274U Novel water pump |
| 06/02/2010 | CN201496273U Bionic centrifugal pump |
| 06/02/2010 | CN201496272U Novel vertical pipeline pump with support bars |
| 06/02/2010 | CN1975170B Multi-sealing easy-to-maintenance efficient double-suction centrifugal pump |
| 06/02/2010 | CN101718277A Evaporation fan used for vehicle air conditioning system |
| 06/01/2010 | CA2499051C Surface aeration impellers |
| 05/27/2010 | US20100129208 Assembled fan frame |
| 05/26/2010 | CN201486875U Double-impeller booster pump |
| 05/26/2010 | CN201486874U Water pump of water cooling motorcycle |
| 05/26/2010 | CN201486873U Water pump assembly of automobile engine |
| 05/26/2010 | CN201486872U Transformer oil pump provided with long-shaft double-supporting structure and used for disc motor |
| 05/19/2010 | CN201474983U Deep-well centrifugal pump with each impeller being provided with two thrusting bearing pairs |
| 05/19/2010 | CN201474982U Fully-sealed centrifugal water pump |
| 05/19/2010 | CN201474981U Centrifugal submersible pump |
| 05/19/2010 | CN101709720A Novel high-efficient energy-saving pump |
| 05/18/2010 | CA2540556C Two-stage sewage grinder pump |
| 05/13/2010 | US20100119363 High-Efficiency, Multi-Stage Centrifugal Pump and Method of Assembly |
| 05/12/2010 | EP1451472B1 Improved thrust bearing for multistage centrifugal pumps |
| 05/12/2010 | CN201461428U Negative-pressure liquid circulation pump |
| 05/12/2010 | CN201461427U Automobile water pump with high service life |
| 05/12/2010 | CN201461426U Fresh water pump |
| 05/12/2010 | CN201461425U Improved water drainage pump |
| 05/12/2010 | CN201461424U Pipeline type connecting shaft double-suction pump |
| 05/12/2010 | CN201461423U Double-suction single-draw centrifugal pump |
| 05/12/2010 | CN201461422U Pressure filtration pump |
| 05/12/2010 | CN201461421U Pipeline transfer pump for long-distance transmission |
| 05/12/2010 | CN101705944A Underwater vertical oil-gas multiphase pump for offshore production wells |
| 05/06/2010 | DE102008055614A1 Kreiselmotorpumpe A centrifugal pump |
| 05/06/2010 | DE102008055613A1 Rotary pump has separating can or separating tube surrounding electric motor rotor, where separating can or separating tube is so guided into pump armature that it surrounds pump armature and completely or partially forms pump chamber |
| 05/06/2010 | DE102008054037A1 Geräuscharme Kreiselpumpe Low noise centrifugal pump |
| 04/28/2010 | CN201443521U Multistage condensate pump |
| 04/28/2010 | CN201443520U Three-stage heavy work station high temperature and high pressure centrifugal pump |
| 04/28/2010 | CN201443519U Two-stage impeller rewatering pump |
| 04/28/2010 | CN201443518U Full lining split-flow type double-layer shell oil slurry pump |
| 04/28/2010 | CN201443517U Anticorrosion pump |
| 04/28/2010 | CN201443516U Magnetic pump |
| 04/28/2010 | CN101699072A Multi-intake water pump |
| 04/27/2010 | CA2566710C Centrifugal pumps having non-axisymmetric flow passage contours, and methods of making and using same |
| 04/22/2010 | US20100098531 Multistage pump assembly |
| 04/21/2010 | CN201439759U Water pump capable of filtering particles |
| 04/21/2010 | CN101696692A Double-suction multi-stage centrifugal pump |