| Patents for F04D 1 - Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (3,447) |
|---|
| 11/25/2009 | CN201351616Y Molten salt pump |
| 11/25/2009 | CN201351615Y Two-stage pump body device of molten salt pump |
| 11/25/2009 | CN201351612Y Single-stage double-sucking centrifugal liquid pump |
| 11/25/2009 | CN201351593Y Water pump reliability detecting test stand |
| 11/25/2009 | CN101589236A Multi-stage high-pressure pump |
| 11/25/2009 | CN101586582A Vertical single-stage centrifugal pump for ship |
| 11/25/2009 | CN101586580A Blade, impeller, turbo fluid machine, method and apparatus for manufacturing blade |
| 11/25/2009 | CN101586568A Eccentric floating semi-submersible type water lifting device |
| 11/25/2009 | CN101586567A Direct-connection type vertical self-priming centrifugal pump |
| 11/25/2009 | CN101586566A Middle-connecting type vertical self-priming centrifugal pump |
| 11/18/2009 | CN201347894Y Double-layer pump body multi-stage high pressure pump |
| 11/18/2009 | CN101581318A Connection arrangement, and centrifugal pump comprising such arrangement |
| 11/18/2009 | CN101581308A Hidden forced circulation pump for balcony wall-hanging solar hot water system |
| 11/18/2009 | CN101581307A Hydrodynamic float vane type microminiature pump |
| 11/18/2009 | CN101580076A Portable land reclamation pump |
| 11/18/2009 | CN100560987C Improved centrifugal drain pump casing |
| 11/18/2009 | CN100560981C Vertical type highly effective energy-saving abrasion-proof pump |
| 11/11/2009 | EP1502030B1 Driving motor, especially for a pump |
| 11/11/2009 | CN201344153Y Split-type guide device |
| 11/05/2009 | US20090274555 Multiple-stage centrifugal pump of inline design |
| 10/28/2009 | EP2112380A1 Multi-stage centrifugal pump of the in line-type |
| 10/28/2009 | CN101566161A Multiple-stage centrifugal pump of inline design |
| 10/28/2009 | CN101566160A Synchronous draining pump capable of realizing unidirectional draining |
| 10/28/2009 | CN101566159A Vane-type micropump rotor |
| 10/28/2009 | CN101566158A High performance mechanical canned motor pump |
| 10/21/2009 | EP2110558A1 Multi-stage high-pressure pump |
| 10/21/2009 | CN201330753Y Self-cooling structure of multi-stage centrifugal pump |
| 10/21/2009 | CN100552228C Drainage pump |
| 10/14/2009 | CN201326579Y Device and system used for improving flow in pumping system |
| 10/14/2009 | CN201326547Y Internal-spiral constant pressure pump of external spiral body |
| 10/14/2009 | CN101558244A 液压泵 Hydraulic pump |
| 10/14/2009 | CN100549428C Apparatus for increasing air quantity to improve blower fan or wind power generator efficiency |
| 10/13/2009 | US7600981 Method for optimizing the operation of a plurality of compressor assemblies of a natural-gas compression station |
| 10/08/2009 | WO2008112067A3 Pitot engine crankshaft oil pump |
| 10/07/2009 | CN201321988Y Self-balance multistage centrifugal pump |
| 10/07/2009 | CN201321987Y Vortex pump |
| 09/30/2009 | CN101545491A Boiler water-feeding pump |
| 09/30/2009 | CN101545228A Discharging method of medium-consistency oxygen reaction tower and discharging pump device thereof |
| 09/23/2009 | CN201314298Y Single-shaft parallel centrifugal pump |
| 09/23/2009 | CN101539153A Guide vane for multilevel chemical nanometer pump |
| 09/23/2009 | CN101539152A Well use multistage submersible electric pump |
| 09/23/2009 | CN101539148A Multi-stage shield pump with low noise |
| 09/17/2009 | DE102008013857A1 LED printed circuit board, has cooling fluid guide extending directly as through hole or extending indirectly from one side to another side of board, and active element i.e. nanomagnet, for active conveyance of cooling fluid in guide |
| 09/16/2009 | CN201310468Y Impeller and helical flow channel type auxiliary drainer |
| 09/16/2009 | CN101532236A Circulation and drain system in a washing machine and a method thereof |
| 09/09/2009 | CN201306290Y Impeller structure of high-lift multistage centrifugal pump |
| 09/09/2009 | CN201306289Y High-lift multistage centrifugal pump |
| 09/09/2009 | CN201306288Y Novel water pump |
| 09/08/2009 | US7585147 Pressurizing centrifugal pump |
| 09/02/2009 | CN101523054A Multistage pump assembly |
| 08/27/2009 | CA2715987A1 Sludge reactor pump for simultaneously conveying solids, liquids, vapours and gases |
| 08/26/2009 | EP2092198A1 Hydraulic pump |
| 08/26/2009 | CN201297243Y Minitype manual filling device for centrifugal pump |
| 08/26/2009 | CN101514704A Multi-level clear water centrifugal pump for mines |
| 08/25/2009 | CA2376685C Coolant pump for snowmobile engine |
| 08/20/2009 | US20090208327 Electric blower |
| 08/20/2009 | DE102008009647A1 Schlammreaktorpumpe zur gleichzeitigen Förderung von Feststoffen, Flüssigkeiten, Dampfen und Gasen Sludge reactor pump for simultaneous transport of solids, liquids, vapors and gases |
| 08/19/2009 | EP2090783A2 Mud reactor pump for simultaneous transport of solid material, liquids, steam and gases |
| 08/19/2009 | CN201292983Y Double suction split pump |
| 08/19/2009 | CN101509490A Axial force self-balancing multiple stage centrifugal pump |
| 08/18/2009 | US7575412 Anti-stall casing treatment for turbo compressors |
| 08/13/2009 | US20090201975 Degassing centrifugal apparatus with sensor |
| 08/12/2009 | CN201288675Y Water inlet and outlet structure for multi-stage centrifugal pump |
| 08/12/2009 | CN201288674Y Multi-stage centrifugal pump with starting and stopping device |
| 08/12/2009 | CN201288673Y Inclination type intermediate section multi-stage centrifugal pump |
| 08/12/2009 | CN201288672Y Secondary impeller upper disposing type condensation water pump |
| 08/12/2009 | CN201288671Y Dual rotary body internal rotation constant pressure pump |
| 08/12/2009 | CN201288670Y Internal rotation constant pressure pump |
| 08/12/2009 | CN101504001A Energy-saving horizontal multi-stage centrifugal pump |
| 08/06/2009 | WO2009096226A1 Fluid machine |
| 08/05/2009 | CN101498309A Centripetal pump and blade tube type impeller |
| 08/05/2009 | CN100523516C Single-shaft multistage pump |
| 08/04/2009 | US7568885 High efficiency air conditioner condenser fan |
| 07/29/2009 | CN101493092A Multi-stage pump |
| 07/29/2009 | CN100520077C Drain pump |
| 07/23/2009 | WO2009090099A1 Fastening of the rotor of a centrifugal pump |
| 07/22/2009 | EP1689529A4 Two stage sewage grinder pump |
| 07/15/2009 | CN101482121A Vertical multi-stage centrifugal pump |
| 07/09/2009 | US20090175737 Groundwater sampling device |
| 07/08/2009 | EP1743101B1 Centrifugal pump and method of manufacturing the same |
| 07/01/2009 | EP2074330A1 Multistage pump assembly |
| 06/24/2009 | CN101463822A Non-impeller hollow screw axis centrifugal cavity pump |
| 06/17/2009 | CN100501168C Drainage pump |
| 06/04/2009 | DE202009002070U1 Gartenpumpe Garden Pump |
| 06/04/2009 | DE112005003702T5 Hochkapazitätsrelativistrotor Hochkapazitätsrelativistrotor |
| 05/27/2009 | EP1483509B1 Low-noise pump cooled by the pumped water |
| 05/27/2009 | EP1423612A4 Improved pitot tube insert |
| 05/27/2009 | CN201246345Y Double-suction split pump |
| 05/27/2009 | CN201246328Y Double-sucking centrifugal pump |
| 05/27/2009 | CN201246327Y 托架总成及离心泵 Bracket assembly and centrifugal pumps |
| 05/27/2009 | CN201246326Y Supporting structure for flexible axle and horizontal centrifugal pump having the same |
| 05/27/2009 | CN101440814A Double-suction pump |
| 05/20/2009 | EP2060791A1 Centrifugal electric pump with axial suction |
| 05/20/2009 | CN201241854Y Single-suction multilevel vertical centrifugal condensation pump |
| 05/20/2009 | CN100489315C Vertical multi-stage centrifugal pump shaped by stamping and welding |
| 05/13/2009 | CN201236807Y Vertical self-suction pump |
| 05/13/2009 | CN101429941A Self-circulation vacuum auxiliary self-suction apparatus of centrifugal pump |
| 05/12/2009 | US7530781 Pump device |
| 05/06/2009 | CN201232646Y Well top pump |
| 05/06/2009 | CN201232644Y Direct-coupling vertical self-priming centrifugal pump |