| Patents for F04D 13 - Pumping installations or systems (12,375) |
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| 04/02/2013 | CA2672410C Flow control |
| 03/28/2013 | WO2012166438A3 Subsea motor-compressor cooling system |
| 03/28/2013 | WO2012123049A3 Method for mounting an air-gap hood of a motor pump |
| 03/27/2013 | EP2573402A1 Pump unit |
| 03/27/2013 | EP2573401A2 Liquid cooling pump |
| 03/27/2013 | CN202841037U Draining pump and magnetic core starting mechanism of alternating-current permanent magnet synchronous motor of draining pump |
| 03/27/2013 | CN202835729U Dewatering device of dehumidifier |
| 03/27/2013 | CN202833204U Submerging pump |
| 03/27/2013 | CN202833203U Submersible sewage pump capable of enabling rotating shaft to be subjected to axial positioning reliably |
| 03/27/2013 | CN202833202U Dry-diving dual-purpose multistage feed pump |
| 03/27/2013 | CN202833201U Sand prevention submersible electric pump |
| 03/27/2013 | CN202833200U Sand prevention submersible electric pump |
| 03/27/2013 | CN202833199U Sand prevention submersible electric pump |
| 03/27/2013 | CN202833198U Sand prevention submersible electric pump |
| 03/27/2013 | CN202833197U Sand prevention submersible electric pump |
| 03/27/2013 | CN202833196U Improved emulsification pump |
| 03/27/2013 | CN202833195U Large-scale vertical type axial flow pump |
| 03/27/2013 | CN202833194U Liquefied gas multiple-stage centrifugal pump |
| 03/27/2013 | CN202833193U Air pressure brake type water pump |
| 03/27/2013 | CN202833192U Air pressure type water pump |
| 03/27/2013 | CN202833191U Gear type wind drive immersible pump for mine |
| 03/27/2013 | CN202833190U Pickling centrifugal pump |
| 03/27/2013 | CN103001452A Hydraulic electricity generator and separation type electric fluid pump driven by the same |
| 03/27/2013 | CN102996519A Water pump used for earth source heat pump machine set |
| 03/27/2013 | CN102996469A Low-temperature immersed pump sealed by multiple-head spirals |
| 03/27/2013 | CN102996468A Submersible pump |
| 03/27/2013 | CN102996467A Electric submersible pump |
| 03/27/2013 | CN102996466A Noise reduction electro-submersible pump |
| 03/27/2013 | CN102996465A Novel double-action-type submersible pump |
| 03/27/2013 | CN102996464A Pipeline pump |
| 03/27/2013 | CN102996463A Efficient electric submersible pump |
| 03/27/2013 | CN102996462A Drain pump |
| 03/27/2013 | CN102996461A Pneumatic submerged pump |
| 03/27/2013 | CN102996460A Pneumatic submerged pump with high working efficiency |
| 03/27/2013 | CN102996459A Pneumatic sump pump of worm gear and worm |
| 03/27/2013 | CN102518946B Energy saving method for cooling water circulation system |
| 03/25/2013 | DE202012011034U1 Vorrichtung zur Erzeugung einer starken Strömung in einem flüssigen Medium A device for generating a strong flow in a liquid medium |
| 03/21/2013 | WO2013039148A1 Drive device for magnetic coupling pump, and magnetic coupling pump unit |
| 03/21/2013 | WO2013039144A1 Magnetic coupling pump and pump unit provided with same |
| 03/21/2013 | WO2013037775A1 Switchable mechanical coolant pump |
| 03/21/2013 | WO2013037449A2 Electromotive pump assembly |
| 03/21/2013 | WO2013013125A3 System for enhanced recovery of tangential energy from an axial pump in a loop reactor |
| 03/21/2013 | CA2790124A1 Impulse air turbine arrangement for use with a reversing bi-directional air flow in a wave power plant |
| 03/21/2013 | CA2765701A1 Submersible water circulation system for enclosed tanks |
| 03/20/2013 | EP2570675A1 Switchable mechanical coolant pump |
| 03/20/2013 | EP2570670A2 Compressor Intake Muffler and Filter |
| 03/20/2013 | EP2570669A2 Method of Reducing Air Compressor Noise |
| 03/20/2013 | EP2570668A2 Compressor housing having sound control chambers |
| 03/20/2013 | EP2570665A2 Air Ducting Shroud for Cooling an Air Compressor Pump and Motor |
| 03/20/2013 | EP2570664A2 Air Ducting Shroud for Cooling an Air Compressor Pump and Motor |
| 03/20/2013 | EP2569542A1 Multi-stage integrally geared compressor |
| 03/20/2013 | CN202811393U Core-pulling submersible pump |
| 03/20/2013 | CN202811392U Double impeller horizontal type concentric centrifugal pump |
| 03/20/2013 | CN202811391U Suspension-type suspended pump |
| 03/20/2013 | CN202811390U 可移动式高密封离心泵 Removable high seal centrifugal |
| 03/20/2013 | CN202811389U Upright detachable energy-saving double entry pump |
| 03/20/2013 | CN202811388U Multi-stage pipeline centrifugal pump |
| 03/20/2013 | CN202811387U Magnetic force driving pump power transmission device with improved structure |
| 03/20/2013 | CN202811386U 多孔飞轮泵 Porous flywheel pump |
| 03/20/2013 | CN202811385U 水泵 Pump |
| 03/20/2013 | CN202811384U Rechargeable portable electric pump |
| 03/20/2013 | CN202811383U 扁平式液冷泵 Flat liquid cooling pump |
| 03/20/2013 | CN202811382U Device used for replacing self-priming pump to work |
| 03/20/2013 | CN202811377U Sewage pump |
| 03/20/2013 | CN202801531U Washing device and draining pump |
| 03/20/2013 | CN102986317A Housing for an electronic circuit for a fuel pump |
| 03/20/2013 | CN102986119A Electrical machine for submerged application and energy conversion system |
| 03/20/2013 | CN102979739A Speed-increasing electric submersible pump |
| 03/20/2013 | CN102979738A 防水型液下泵 Waterproof liquid pumps |
| 03/20/2013 | CN102979737A Heating water pump |
| 03/20/2013 | CN102979736A 泵 Pump |
| 03/20/2013 | CN102979735A Bi-energy pneumatic submersible pump for mine |
| 03/20/2013 | CN102979734A Pneumatic and motor-driven integrated type submerged pump |
| 03/20/2013 | CN101115567B Degassing centrifugal apparatus with sensor |
| 03/19/2013 | US8398361 High-efficiency, multi-stage centrifugal pump and method of assembly |
| 03/14/2013 | WO2013033823A1 Pumping system |
| 03/14/2013 | US20130064695 Fluid pump having waterproof structure |
| 03/14/2013 | DE10355499B4 Wasserpumpe und Verfahren zum Steuern der Durchflussrate von Kühlmittel Water pump and method of controlling the flow rate of coolant |
| 03/14/2013 | DE102004029557B4 Vertikales Kreiselpumpenaggregat Vertical centrifugal pump unit |
| 03/13/2013 | EP2566533A2 Blood pump comprising a rotor |
| 03/13/2013 | CN202793873U In-cup lantern type circulating pump for circular sample injector |
| 03/13/2013 | CN202789740U Land-water universal submersible pump |
| 03/13/2013 | CN202789586U Vacuum type water lifting device in water circulating system |
| 03/13/2013 | CN202789585U Novel centrifugal pump |
| 03/13/2013 | CN202789584U Level one bidirectional jet devices |
| 03/13/2013 | CN202789583U High-lift floating type impeller submersible pump for well |
| 03/13/2013 | CN202789582U Non-blocking diving sewage pump |
| 03/13/2013 | CN202789581U Large flow self-balancing submersible electric pump |
| 03/13/2013 | CN202789580U Novel anti-vibration sewage pump |
| 03/13/2013 | CN202789579U Novel submersible sewage pump |
| 03/13/2013 | CN202789578U Novel leak-free submersible sewage pump |
| 03/13/2013 | CN202789577U Novel no-pipe pump |
| 03/13/2013 | CN202789576U Non-negative-pressure single-stage double-suction centrifugal pump |
| 03/13/2013 | CN202789575U Horizontal type single level cutting line fire pump set |
| 03/13/2013 | CN202789574U Quick-inserted external water pump for mining diesel engine |
| 03/13/2013 | CN202789573U Vertical pump |
| 03/13/2013 | CN202789572U Magnetomotive water pump |
| 03/13/2013 | CN202789571U Photovoltaic water pump |
| 03/13/2013 | CN202789570U Fluoroplastic centrifugal pump |
| 03/13/2013 | CN202789569U Conveniently carried fire pump |