| Patents for F04D 3 - Axial-flow pumps (1,557) |
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| 03/05/2015 | US20150063995 Air diffuser systems, methods, and apparatuses |
| 03/03/2015 | US8967948 Uniaxial eccentric screw pump |
| 02/26/2015 | WO2015026289A1 Transporter and fish lock |
| 02/19/2015 | WO2015024005A2 Subsea pumping apparatuses and related methods |
| 02/17/2015 | CA2725958C Stator to housing lock in a progressing cavity pump |
| 02/12/2015 | WO2015020798A1 System and apparatus for pumping a multiphase fluid |
| 02/12/2015 | US20150044027 System and apparatus for pumping a multiphase fluid |
| 02/04/2015 | CN102287400B 具有改进的风扇环熔合线强度的塑料风扇 With improved fan ring weld line strength plastic fan |
| 02/03/2015 | US8944778 Liquid ring pump and method for operating a liquid ring pump |
| 01/28/2015 | CN204124350U 一种喷水推进泵 One kind of waterjet pump |
| 01/27/2015 | US8940843 Pump for loop reactor |
| 01/22/2015 | US20150023805 Labyrinth Chamber with Helical Blade for a Submersible Well Pump and Method of Use |
| 01/21/2015 | CN204113663U 新型水泵 The new pumps |
| 01/21/2015 | CN204113131U 一种煤层气井用螺杆泵管柱 One kind of CBM wells screw column |
| 01/21/2015 | CN102966591B 一种轴流式流体驱动装置 An axial fluid drive |
| 01/20/2015 | US8936430 Submersible centrifugal pump for solids-laden fluid |
| 12/17/2014 | CN204025064U 带前导叶测流的新型高效立式轴流泵装置 New and efficient vertical axial flow device with leading leaf flow measurement |
| 12/17/2014 | CN104214105A 轴流泵 Axial pump |
| 12/17/2014 | CN104214070A 一种无轴螺旋送料螺杆泵 A non-screw feed screw shaft |
| 12/11/2014 | US20140363273 Propeller pump and pump station |
| 12/10/2014 | CN204003490U 立式轴流泵 Vertical Axial |
| 12/10/2014 | CN204003483U 一种改进型轴流泵 An improved axial flow |
| 12/10/2014 | CN204003482U 高速轴流泵 High speed axial flow |
| 11/20/2014 | US20140341726 Blood pump with separate mixed-flow and axial-flow impeller stages and multi-stage stators |
| 11/04/2014 | US8876499 Fan module |
| 08/20/2014 | EP2766607A1 Archimedean screw and installation of the pump or hydroelectric power station type fitted with at least one such screw |
| 08/12/2014 | US8800647 High speed swirling type centrifugal revolving pipeline device |
| 07/30/2014 | CN103950528A 轴流式喷水推进泵 Axial-flow waterjet pump |
| 07/29/2014 | US8790070 Stator-rotor arrangement for a vacuum pump and vacuum pump |
| 07/29/2014 | CA2602952C Magnetically driven archimedes spiral screw pump |
| 07/10/2014 | WO2014106885A1 Axial flow blood pump |
| 07/02/2014 | CN203685594U 轴流泵 Axial pump |
| 07/02/2014 | CN101918701B 产能机 Capacity machines |
| 06/18/2014 | EP2741793A1 Rotary pump comprising a rotor and delivery elements |
| 06/12/2014 | US20140161600 Stator for gas exhaust pump, method for manufacturing the same, pump having the stator, and manufacturing method and assembling method of the same |
| 06/12/2014 | US20140157613 Fan assembly for an appliance |
| 06/05/2014 | WO2014085024A1 Counter rotating helico-axial pump |
| 06/03/2014 | CA2549665C Coolant pump with axial output |
| 05/30/2014 | WO2014079847A1 Pump arrangement |
| 05/29/2014 | US20140147253 Counter rotating helico-axial pump |
| 05/28/2014 | CN203614428U 一种具有螺旋叶片的轴流流体压力机及涡轮 Having a spiral blade and the turbine axial fluid presses |
| 05/28/2014 | CN103821727A 高速轴流泵 High speed axial flow |
| 05/27/2014 | US8734092 Flood pump |
| 05/21/2014 | CN203601548U 一种喷水推进泵 One kind of waterjet pump |
| 05/21/2014 | CN103813815A 包括转子和输送元件的旋转泵 Including rotary pump rotor and transmission components |
| 05/13/2014 | US8720120 Membrane deflation in combination with rigid surfaces |
| 05/07/2014 | EP2728193A2 Appliance pump with angled flow path and axial flow impeller |
| 05/07/2014 | EP2728188A2 An oil pump for a hermetic compressor |
| 05/07/2014 | CN203584830U 双向自力抽水泵 Bidirectional self pumps |
| 05/07/2014 | CN203584824U 轴流螺杆泵 Axial screw |
| 04/30/2014 | EP2725232A2 Axial flow pump with integrated motor |
| 04/23/2014 | EP2721290A1 Assembly of air and pneumatic devices |
| 04/23/2014 | CN103742418A Pure working medium impeller mechanism |
| 04/09/2014 | CN102619761B Axial-flow pump for particle image velocimetry and particle image velocimetry method |
| 04/02/2014 | CN203516112U Electric bucket-inserting screw underflow pump |
| 03/26/2014 | CN103671126A Engine water pump with water storage tank |
| 03/05/2014 | CN103620215A Assembly of air and pneumatic devices |
| 02/26/2014 | CN101324238B Blower with bearing tube |
| 02/19/2014 | CN203441757U Anti-corrosion two-screw pump |
| 02/11/2014 | CA2591769C Improved pump and method |
| 02/05/2014 | CN203420896U Screw pump |
| 01/29/2014 | CN103541883A Oil pump of closed type piston compressor and compressor |
| 01/23/2014 | WO2014012191A1 Energy-saving start device of submersible progressive cavity pump unit |
| 01/23/2014 | WO2014012150A1 An electricity generating device, a fluid pressure reducing device, and a fluid pump |
| 01/15/2014 | CN203394788U Large-delivery-capacity spiral pump |
| 01/09/2014 | US20140010631 Compressor intake mixer system |
| 01/03/2014 | WO2014001331A1 Diffuser for cable suspended dewatering pumping system |
| 01/03/2014 | CA2875914A1 Diffuser for cable suspended dewatering pumping system |
| 01/02/2014 | US20140003913 Infinitely adjustable coolant pump |
| 12/18/2013 | CN203348091U Marine lifting axial flow pump |
| 12/18/2013 | CN103452859A Disc-motor axial flow pump for cooling of transformer |
| 12/10/2013 | CA2716821C Bottom tag for progressing cavity pump rotor with coiled tubing access |
| 11/27/2013 | CN103410738A Axial flow screw pump |
| 11/19/2013 | CA2613707C An axial flow pump with a spiral-shaped vane |
| 11/14/2013 | WO2013090500A3 Propeller pump and pump station |
| 11/13/2013 | CN203285723U Blood pump rotor structure capable of reducing hemolyses |
| 11/13/2013 | CN103388585A Marine single-screw pipeline type water pump |
| 10/31/2013 | DE10016422B4 Parakardiale Blutpumpe Para Cardiac blood pump |
| 10/30/2013 | EP2657528A2 Generator device |
| 10/17/2013 | US20130272847 Variable turbine/compressor geometry |
| 09/26/2013 | US20130251514 Regenerative blower with a convoluted contactless impeller-to-housing seal assembly |
| 09/19/2013 | US20130243583 Vacuum Pump |
| 09/18/2013 | CN102374175B Single-rod multi-head transecting spiral submersible pump |
| 09/12/2013 | DE10047387B4 Elektrisch angetriebene Kühlmittelpumpe An electrically powered coolant pump |
| 09/11/2013 | CN103291625A Horizontal two-way oil suction pump |
| 08/29/2013 | US20130224001 Vacuum pump |
| 08/22/2013 | US20130216352 Ejector and method |
| 08/21/2013 | EP2628493A2 Expandable impeller pump |
| 08/21/2013 | CN102352863B Design method of single helix mixed flow pump impeller |
| 08/15/2013 | US20130209292 Axial flow blood pump with hollow rotor |
| 08/01/2013 | US20130195630 Pump apparatus |
| 07/25/2013 | US20130189096 Pollutants Collecting Pump for Water Surface |
| 07/24/2013 | CN103216449A Fluid power technology of pipe cavity with linear track and closed cross section |
| 07/17/2013 | CN103206402A Embeddable two-stage axial flow blood pump rotor structure |
| 07/17/2013 | CN103206382A Slurry filling pump with flow rate control function |
| 07/11/2013 | US20130177392 Aircraft Airflow Modulation System and Method |
| 07/11/2013 | US20130177389 Turbomachine component temperature control |
| 07/04/2013 | US20130170955 Exhaust pump |
| 07/03/2013 | CN101888948B Thrust generator |
| 06/26/2013 | CN203023067U Spiral lead pump |