| Patents for F04D 3 - Axial-flow pumps (1,557) |
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| 10/18/2001 | DE10017145A1 Pump for transporting mortar material has second complementary connecting element connected to cable leading to remote control unit with second on/off switch, speed setting element |
| 10/17/2001 | EP0914171B1 Magnetically suspended miniature fluid pump and method of making the same |
| 10/17/2001 | CN2454568Y Combined screw pump |
| 10/11/2001 | WO2001074419A1 Paracardial blood pump |
| 10/10/2001 | CN2453166Y Single screw stemp pump |
| 10/10/2001 | CN2453165Y Oil prodn. machine with hydraulic transmission screw stem pump |
| 10/10/2001 | CN1317075A Rotation device |
| 10/04/2001 | DE10016422A1 Parakardiale Blutpumpe Para Cardiac blood pump |
| 10/03/2001 | CN2451769Y Multi-spiral screw pump |
| 09/19/2001 | CN2448956Y All metal screw bolt pump |
| 09/16/2001 | CA2301427A1 Melt withdrawal device for melt furnaces for charging casting machines |
| 09/13/2001 | WO2001066170A1 Blood pump |
| 09/11/2001 | US6287326 Catheter with coiled multi-lumen heat transfer extension |
| 09/05/2001 | EP1130266A1 Device for supplying molten metal to casting installations |
| 09/05/2001 | CN2446308Y Ceramic screw pump |
| 09/05/2001 | CN1070583C 回转泵 Rotary pump |
| 09/04/2001 | US6283275 Screw and apparatus using same for conveying wet solids |
| 08/23/2001 | WO2001061151A1 Equipment with mutually interacting spiral teeth |
| 08/22/2001 | EP1126176A2 Motor driven double suction pump |
| 08/16/2001 | US20010014290 Motor-driven pump with a plurality of impellers |
| 08/16/2001 | EP1124062A2 Electric motor pump with axial-flow impellers |
| 08/15/2001 | CN1308190A Electric pump with axial-flow impeller |
| 08/15/2001 | CN1308189A Electric pump with several impeller |
| 08/09/2001 | US20010012487 Electric motor pump with axial-flow impellers |
| 08/08/2001 | EP1122441A2 Inline pump |
| 08/08/2001 | CN2442003Y Blade type gas/liquid/solid multiple phase mixed transport pump |
| 08/01/2001 | EP1120570A2 Magnetically driven axial-flow pump |
| 07/26/2001 | US20010009645 Magnetically driven axial-flow pump |
| 07/19/2001 | WO2001002724A8 Blood pump having a magnetically suspended rotor |
| 07/11/2001 | EP1114648A2 Fluid pump |
| 07/03/2001 | US6254359 Method for providing a jewel bearing for supporting a pump rotor shaft |
| 06/27/2001 | CN2436694Y Dropping in and taking off type electric oil submerged screw bolt pump |
| 06/27/2001 | CN2436693Y Electric oil submerged screw bolt pump |
| 06/26/2001 | US6250880 Rotary pump with exclusively hydrodynamically suspended impeller |
| 06/19/2001 | US6247892 Continuous flow rotary pump |
| 06/13/2001 | EP1105646A1 Bladeless pump |
| 06/13/2001 | DE10002092A1 Electric drive e.g. for ship propeller, has inside rotor connected with first impeller and outer rotor concentric with it connected with second impeller |
| 06/12/2001 | US6244835 Blood pump having a magnetically suspended rotor |
| 06/06/2001 | EP0819330B1 Rotary machine with an electromagnetic rotary drive |
| 05/31/2001 | US20010002234 Rotary pump with exclusively hydrodynamically suspended impeller |
| 05/30/2001 | EP1103724A2 Axial-pump for conveying molten metals |
| 05/30/2001 | EP1102936A1 Rotation device |
| 05/30/2001 | CN2432358Y Polymer injection screw pump |
| 05/23/2001 | EP1101946A2 Crossing spiral compressor/pump |
| 05/19/2001 | CA2317855A1 Crossing spiral compressor/pump |
| 05/09/2001 | EP1097305A1 Screw pump |
| 04/19/2001 | DE19944863A1 Device for careful delivery of single- or multiphase fluids incorporates tubular cavity to guide fluids and electric motor's rotor acting as rotating delivery device with axial alignment mounted inside tubular cavity |
| 04/18/2001 | CN2426926Y 马达 Motor |
| 04/11/2001 | CN2426530Y Submersible screw pump |
| 03/28/2001 | CN2425215Y Multi-stage axial-flow pump |
| 03/27/2001 | US6208512 Contactless hermetic pump |
| 03/22/2001 | WO2001009486B1 Ribbon drive power generation apparatus and method |
| 02/20/2001 | US6190141 Centrifugal pump with diluent injection ports |
| 02/08/2001 | WO2001009516A1 Ribbon drive propulsion system and method |
| 02/08/2001 | WO2001009515A1 Ribbon drive pumping apparatus and method |
| 02/08/2001 | WO2001009486A1 Ribbon drive power generation apparatus and method |
| 02/08/2001 | WO2001008580A1 Catheter with coiled multi-lumen heat transfer extension |
| 02/08/2001 | CA2380623A1 Ribbon drive propulsion system and method |
| 02/08/2001 | CA2380440A1 Ribbon drive pumping apparatus and method |
| 02/01/2001 | WO2001007787A1 Continuous flow rotary pump |
| 02/01/2001 | WO2001007760A1 Hydraulic seal for rotary pumps |
| 01/24/2001 | CN2416254Y Screw pump |
| 01/23/2001 | US6176848 Intravascular blood pump |
| 01/17/2001 | CN2415178Y Double screw blower |
| 01/11/2001 | WO2001002724A1 Blood pump having a magnetically suspended rotor |
| 01/11/2001 | CA2377934A1 Blood pump having a magnetically suspended rotor |
| 01/10/2001 | CN2414226Y Pithch-shangeable screw high-pressure pump |
| 01/10/2001 | CN1279747A Pump/motor assembly |
| 12/28/2000 | WO2000079129A1 Bladeless pump |
| 12/27/2000 | CN2412110Y Screw pump non-oil pipe pumping unit |
| 12/20/2000 | CN2411362Y Volume type screw-arbor oil-well pump |
| 12/14/2000 | WO2000074812A1 Degassing centrifugal apparatus, process for pumping and degassing a fluid and process for producing paper or board |
| 12/14/2000 | WO2000074811A1 Degassing centrifugal apparatus with energy recovery, process for degassing a fluid and process for producing paper or board |
| 12/14/2000 | WO2000074748A1 Magnetic suspension blood pump |
| 12/14/2000 | CA2374656A1 Magnetic suspension blood pump |
| 12/12/2000 | US6158959 Pump impeller |
| 12/06/2000 | CN2409358Y Vertical axial-flow pump |
| 11/29/2000 | CN2408275Y 单螺杆泵 Single Screw |
| 11/28/2000 | US6152701 Method for designing a pipeline system for transporting a fluid subject to deterioration at elevated pressure and elevated temperature |
| 11/15/2000 | CN1273330A Method for manufacturing stator of screw pump |
| 11/09/2000 | DE19912388C1 Recirculation pump for pipeline section has inflatable sealing hose for sealing axial annular gap between entry opening of pump housing mantle and pump intake pipeline section |
| 10/26/2000 | WO2000064031A1 Rotor device |
| 10/26/2000 | WO2000064030A1 Device for delivering single-phase or multiphase fluids without altering the properties thereof |
| 10/26/2000 | WO2000062841A1 Device for axially delivering fluidic media |
| 10/18/2000 | CN2401713Y Lift pump by using natural water flow power |
| 09/13/2000 | EP1034375A1 Pump/motor assembly |
| 08/29/2000 | US6109887 Electric pump |
| 08/16/2000 | EP1027543A1 Low head pumping system for fish farms |
| 08/08/2000 | US6100618 Rotary machine with an electromagnetic rotary drive |
| 07/25/2000 | US6092994 Liquid delivery device, method of controlling such liquid delivery device, and liquid delivery pump |
| 07/19/2000 | CN1260862A Mechanism for providing motive porce and for pumping application |
| 07/12/2000 | EP0904117B1 Intravascular blood pump |
| 07/12/2000 | CN2387287Y Farm axial pump |
| 06/14/2000 | CN1256366A Small pump device and electric thermos bottle |
| 05/31/2000 | CN2380727Y Directly-driven oil-submerged electric screw pump |
| 05/30/2000 | US6068454 Fuel pump with helical impeller |
| 05/02/2000 | US6056518 Fluid pump |
| 04/25/2000 | US6053705 Rotary pump and process to operate it |
| 03/30/2000 | DE19843840A1 Lightweight floating pump suitable for land irrigation, fish farming, quarry and civil engineering pumping operations |
| 03/09/2000 | DE19941323A1 Turbo engine with improved phase mixing to pump poli-phase crude oil flow has beads in flow channels to generate turbulent eddy flow to mix liquid and gaseous phases |