| Patents for F04D 1 - Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (3,447) |
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| 09/12/2013 | DE102008014919B4 Druckbetätigter Mechanismus und denselben beinhaltende Wasserpumpe Pressure actuated mechanism and same-containing water pump |
| 09/11/2013 | CN203189272U Double-hulled and multistage horizontal split centrifugal pump |
| 09/11/2013 | CN203189271U Liquid self-supercharging device for pump |
| 09/11/2013 | CN103299081A 冷却剂泵 Coolant pump |
| 09/05/2013 | DE102008061407B4 Wasserpumpe zur Kühlmittelförderung in einem Niedertemperatur-sowie einem Hochtemperatur-Kreislauf Water pump for conveying coolant in a low temperature and a high temperature circuit |
| 09/04/2013 | CN203175871U Engine water cooling structure assembly, engine and motorcycle |
| 08/29/2013 | US20130219885 Simplified variable geometry turbocharger with increased flow range |
| 08/28/2013 | CN203161558U Magnetism-driven double-stage partial emission pump |
| 08/28/2013 | CN203161554U Automobile water pump |
| 08/28/2013 | CN203161553U Vertical long-shaft seawater pump with withdrawable core |
| 08/28/2013 | CN203161552U Shaft-free submerged pump |
| 08/28/2013 | CN103270308A High pressure multistage centrifugal pump for fracturing hydrocarbon reserves |
| 08/28/2013 | CN103267018A Internal combustion engine cooling water pump water suction chamber runner |
| 08/28/2013 | CN102144098B Intermediate housing floor for fluid kinetic machine |
| 08/22/2013 | US20130216355 Water pump in vehicle |
| 08/21/2013 | CN203146348U Novel two-stage energy-saving pump |
| 08/21/2013 | CN203146341U Novel 600MW supercritical unit starting pump |
| 08/21/2013 | CN203146340U Novel vibration-free energy-saving pump |
| 08/21/2013 | CN203146339U Novel non-leakage energy-saving pump |
| 08/21/2013 | CN103261697A Multistage pump |
| 08/21/2013 | CN103256226A Liquid pump with tapered border layer |
| 08/21/2013 | CN102635577B Multi-stage pump with anti-rotation device |
| 08/20/2013 | US8512000 Exhaust gas turbocharger |
| 08/20/2013 | US8511966 Pump rotor and pump comprising a pump rotor of said type |
| 08/20/2013 | CA2608538C An electrical submersible pump |
| 08/15/2013 | US20130209225 Durable pumps for abrasives |
| 08/14/2013 | CN203130595U Horizontal-split type pipeline delivery pump with impellers provided with spiral sealing rings |
| 08/14/2013 | CN203130523U Sanitary vacuum pump |
| 08/14/2013 | CN103249477A Pump |
| 08/13/2013 | US8506236 Counter rotation inducer housing |
| 08/08/2013 | DE102013201902A1 Kreiselpumpe und Baureihe von Kreiselpumpen Centrifugal pump and series of centrifugal pumps |
| 08/08/2013 | DE102005015821B4 Laufrad und Kraftstoffpumpe, die dieses verwendet Impeller and fuel pump that uses this |
| 08/07/2013 | CN203114638U Novel sectional multistage pump with inducer |
| 08/07/2013 | CN203114637U Single-stage double-suction horizontal split-case volute centrifugal pump |
| 08/07/2013 | CN103233897A Novel vortex pump for robot |
| 08/07/2013 | CN102312841B Energy-saving multistage centrifugal pump with fixed clearance of balancing disc |
| 07/31/2013 | CN203098398U Blade type gas-liquid multiphase pump |
| 07/31/2013 | CN203098297U Novel spiral inertia pump |
| 07/31/2013 | CN103225615A 高压头旋涡泵 Vortex pump high head |
| 07/24/2013 | CN203081770U Novel stainless steel stamping pump |
| 07/18/2013 | US20130183137 Centrifugal pump with secondary impeller and dual outlets |
| 07/18/2013 | DE102012100339A1 Verfahren und Vorrichtung zur Stabilisierung eines Verdichterstroms Method and device for stabilizing a compressor current |
| 07/18/2013 | DE102005005142B4 Zentrifugalarbeitsmaschine Zentrifugalarbeitsmaschine |
| 07/17/2013 | CN203067296U Double suction pump |
| 07/17/2013 | CN103206406A Multi-stage radial spilt petrochemical engineering process pump |
| 07/17/2013 | CN101493092B Multi-stage pump |
| 07/10/2013 | EP2612036A1 Rotary pump |
| 07/10/2013 | CN203051148U Soft shaft irrigation pump |
| 07/09/2013 | US8480380 Washer pump having washer fluid heating function |
| 07/04/2013 | US20130170971 Peripheral pump |
| 07/04/2013 | US20130170970 Centrifugal pump apparatus |
| 07/03/2013 | CN103189655A Rotary pump |
| 07/03/2013 | CN103185009A Engine water-cooling structure assembly, engine and motorcycle |
| 06/27/2013 | US20130164125 Centrifugal pump |
| 06/27/2013 | US20130164124 Exhaust pump |
| 06/26/2013 | EP2607703A1 Centrifugal pump |
| 06/26/2013 | CN203023066U Oil-seal-type acid proof pump |
| 06/26/2013 | CN203023065U Improved centrifugal pump |
| 06/26/2013 | CN203023064U Modified double-entry pump |
| 06/26/2013 | CN103174654A 离心泵 Centrifugal |
| 06/20/2013 | WO2013090168A1 Injection molding of polyarylene sulfide compositions |
| 06/20/2013 | WO2013087387A1 Water lifting system and method having such a system |
| 06/20/2013 | US20130156545 Dual-flow centrifugal pump |
| 06/19/2013 | CN101832270B Multi-stage centrifugal pump |
| 06/19/2013 | CN101749249B Waterpump for coolant transportation in a low temperature- and high temperature circulation system |
| 06/19/2013 | CN101403393B System and method for improving flow in pumping systems |
| 06/13/2013 | WO2013085433A1 Mainline electric oil pump assembly and method for assembling same |
| 06/13/2013 | CA2854767A1 Mainline electric oil pump assembly and method for assembling same |
| 06/12/2013 | CN202991512U Compound fuel oil pump for power station |
| 06/12/2013 | CN202991511U First-stage double suction type suction section structure of multi-section multi-stage pump |
| 06/12/2013 | CN202991510U Horizontal multi-stage centrifugal pump |
| 06/12/2013 | CN202991509U Variable speed portable fire pump |
| 06/12/2013 | CN202991508U Single-stage double-suction high-speed pump for oil pipeline |
| 06/12/2013 | CN202991507U Energy-saving variable cooling water pump |
| 06/12/2013 | CN202991506U Automatic filtration type cooling water pump |
| 06/12/2013 | CN103148013A Impeller of centrifugal pump |
| 06/06/2013 | US20130142622 Water Pump for Vehicle |
| 06/06/2013 | US20130142616 Pumping Device |
| 06/06/2013 | DE102008064162B4 Kreiselpumpe mit einer feststehenden Achse Centrifugal pump with a fixed axis |
| 06/05/2013 | CN202971309U Multi-stage pump |
| 06/05/2013 | CN202971308U Multistage pump |
| 06/05/2013 | CN202971307U Multi-stage sectional centrifugal pump capable of self-balancing axial force |
| 06/05/2013 | CN202971203U Single-stage horizontal chemical centrifugal pump |
| 06/05/2013 | CN103133352A Novel structure of self-suction horizontal-type multi-stage pump |
| 06/05/2013 | CN103133351A Vertical-type long axis sea water pump with extractable core |
| 06/05/2013 | CN101523054B Multistage pump assembly |
| 05/29/2013 | CN202954981U Horizontal middle-opened double-cylinder multistage centrifugal pump |
| 05/29/2013 | CN202954980U Self-cooling centrifugal pump |
| 05/28/2013 | US8449270 Hydraulic powertrain system |
| 05/23/2013 | WO2013071877A1 Rotating container and fluid filtration device and system using the rotating container |
| 05/22/2013 | CN202946410U Automatic speed regulating type thermodynamic cycle pump |
| 05/22/2013 | CN202946399U Vortex pump |
| 05/22/2013 | CN202946398U Tetrabothridiata pump |
| 05/21/2013 | US8444379 Sealing device for rotary fluid machine, and rotary fluid machine |
| 05/16/2013 | US20130121821 Centrifugal pump apparatus |
| 05/16/2013 | US20130121817 Centrifugal Pump |
| 05/16/2013 | DE102008054037B4 Geräuscharme Kreiselpumpe Low noise centrifugal pump |
| 05/15/2013 | CN202937458U Cylinder bag multistage direct connection installation centrifugal pump |
| 05/15/2013 | CN202937457U Secondary containment spray pump |
| 05/15/2013 | CN102031530B Current anticorrosive protecting device, method and centrifugal pump |