| Patents for F04D 13 - Pumping installations or systems (12,375) |
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| 01/05/2012 | WO2012003357A2 Pumps and pump heads comprising volume-compensation feature |
| 01/05/2012 | WO2012002053A1 Motor, pump using the motor as the driving source, and hot-water supply device, dish washer, and washing machine that have the pump mounted therein |
| 01/05/2012 | WO2012001711A1 Hydraulic pump with communicating vessels |
| 01/05/2012 | WO2012001466A1 Hydraulic pump with communicating vessels |
| 01/05/2012 | DE102010026132A1 Rotor for liquid pump for cooling circuit of internal combustion engine, has pressure relief valve integrated into rotor and forming path depending on difference between pressure side and suction side, where back path opens pressure side |
| 01/05/2012 | CA2803351A1 Hydraulic pump with communicating vessels |
| 01/04/2012 | CN202100489U Submersible pump for well |
| 01/04/2012 | CN202100488U Submersible electric pump for well |
| 01/04/2012 | CN202100487U Submerged dredge pump device for suction type dredge ships |
| 01/04/2012 | CN202100486U Shield pump connected by intermediate flange |
| 01/04/2012 | CN202100485U External liquid infusion shield pump |
| 01/04/2012 | CN202100484U Connecting base of pump and motor |
| 01/04/2012 | CN202100483U Shield pump with symmetrically distributed impellers |
| 01/04/2012 | CN102305214A Cooling pump compact in structure and convenient to install |
| 01/04/2012 | CN101907098B Low-head energy-collecting water pump |
| 01/04/2012 | CN101494399B Motor and motor integrated pump with the motor |
| 01/01/2012 | CA2744345A1 Pump header and implementation thereof |
| 12/29/2011 | WO2011163521A2 Well watchman pumping and control system |
| 12/29/2011 | WO2011163375A1 Modular downhole gauge for use in retrievable electric submersible pump systems with wet-connect |
| 12/29/2011 | WO2011160439A1 Compressed gas reflux compression system |
| 12/29/2011 | US20110318168 Exhaust-gas turbocharger |
| 12/29/2011 | CA2803884A1 Well watchman pumping and control system |
| 12/28/2011 | EP2399033A1 Coolant pump for vehicles |
| 12/28/2011 | CN202091213U 吸底式沉水泵 Shen pump suction Hearth |
| 12/28/2011 | CN202091212U 一种水冷电机式潜水泵 One kind of water-cooled submersible motor pumps |
| 12/28/2011 | CN202091211U 一种耐高温稀土永磁无刷直流自吸泵 A high temperature rare earth permanent magnet brushless DC self-priming |
| 12/28/2011 | CN202091210U 基于新型内转子的小功率耐高温磁力泵 Based on the new low-power high-temperature inside the rotor magnetic pump |
| 12/28/2011 | CN202091209U 一种新型涡轮泵叶轮腔防堵塞装置 A new turbine pump impeller chamber anti-blocking device |
| 12/28/2011 | CN1997827B 层叠式自吸泵及离心泵 Stacked self-priming and centrifugal pumps |
| 12/28/2011 | CN102297144A 节能防空吸自吸悬浮泵 Energy-absorbing air defense self-priming pump suspension |
| 12/28/2011 | CN102297143A 一种永磁电机排水泵 A permanent magnet motor drainage pump |
| 12/28/2011 | CN102297142A 一种车用电子水泵 A vehicle electronic pumps |
| 12/28/2011 | CN102297141A 一种内转子电动机直接驱动叶轮的小型离心式水泵 An internal rotor motors directly drive small centrifugal pump impeller |
| 12/28/2011 | CN102297140A 基于新型内转子的小功率耐高温磁力泵 Based on the new low-power high-temperature inside the rotor magnetic pump |
| 12/28/2011 | CN102297139A 一种橡胶叶轮泵 A rubber impeller pump |
| 12/28/2011 | CN101876316B 永磁罐装泵浦 Canned permanent magnet pump |
| 12/28/2011 | CN101341340B 扁平型无刷电动泵及使用了该电动泵的车辆用电动水泵组 Flattened brushless motor pump and use the electric pump with an electric water pump for vehicles |
| 12/25/2011 | CA2708827A1 Carry handle support for a portable pump assembly |
| 12/22/2011 | WO2011159166A1 Ring motor pump |
| 12/22/2011 | WO2011157899A1 A turbomachine |
| 12/22/2011 | WO2011157409A2 Electric compressor |
| 12/21/2011 | EP2397697A2 Pump and heat pump apparatus |
| 12/21/2011 | EP2396553A1 Method and apparatus for lubricating a thrust bearing for a rotating machine using pumpage |
| 12/21/2011 | CN202082113U 带破碎装置的潜水排沙电泵 Submersible flushing pump with crushing device |
| 12/21/2011 | CN202082112U 一种自吸式旋涡电泵 A self-priming vortex pump |
| 12/21/2011 | CN202082111U 清洗型水泵 Clean water pump |
| 12/21/2011 | CN102292260A 潜水泵 Submersible Pump |
| 12/21/2011 | CN102287379A 一种管道式增压装置 One kind of pipeline booster device |
| 12/21/2011 | CN101968057B 一体化阀门泵 Integrated valve pump |
| 12/21/2011 | CN101655095B 电动水泵 Electric water pump |
| 12/20/2011 | US8079829 Submerged DC brushless motor and pump |
| 12/16/2011 | DE202011051043U1 Tauchpumpe Submersible pump |
| 12/15/2011 | DE102010015564A1 Brennkraftmaschine für ein Kraftfahrzeug Internal combustion engine for a motor vehicle |
| 12/14/2011 | DE202011105384U1 Pumpsystem mit netzunabhängigem Antriebsaggregat Pump system with mains-independent drive unit |
| 12/14/2011 | CN202076877U 水冷式永磁转子电机及排水泵 Water-cooled permanent magnet rotor motor and drain pump |
| 12/14/2011 | CN202073800U 双吸高效潜水电泵 Double-suction submersible pump efficiency |
| 12/14/2011 | CN202073799U 轻便式旋涡泵 Portable vortex pump |
| 12/14/2011 | CN202073798U 野外无泵房免值守水泵装置 Field no duty-free pumping station pump system |
| 12/14/2011 | CN202073797U 磁力驱动泵 Magnetic drive pump |
| 12/14/2011 | CN102282374A 用于流体输送的机器 For fluid transfer machine |
| 12/14/2011 | CN102278316A 一种水陆两栖立式离心泵机组 One kind of amphibious vertical centrifugal pump unit |
| 12/14/2011 | CN101109389B 电动泵 Electric pump |
| 12/13/2011 | US8075837 Pump with rotating inlet |
| 12/13/2011 | US8075249 System and a method for dynamically balancing a blade |
| 12/08/2011 | DE102010022885A1 Regulating coolant pump for cooling circuit of internal-combustion engine, has pump housing, where hollow shaft is arranged, and stopper is provided between connecting rod and hollow shaft |
| 12/08/2011 | DE102010022884A1 Abdichtung für eine regelbare Kühlmittelpumpe Seal for an adjustable coolant pump |
| 12/08/2011 | CA2798167A1 Dispensing unit and method for dispensing a liquid under pressure |
| 12/07/2011 | CN202065201U 一种潜水排污泵 One kind of submersible sewage pump |
| 12/07/2011 | CN202065200U 带搅拌器的矿用卧式潜水电泵 Mine with an agitator with horizontal submersible pump |
| 12/07/2011 | CN202065199U 一种封闭式潜水泵 A closed submersible pump |
| 12/07/2011 | CN202065198U 高效节能低故障组合式长轴液下泵 Under the long axis of the energy-efficient and low failure combined liquid pump |
| 12/07/2011 | CN202065197U 一种能同时实现立、斜、卧三用功能的潜水电泵 One kind of energy while achieving vertical, diagonal, horizontal three-function submersible pump |
| 12/07/2011 | CN202065196U 上吸多层隔离圆盘空气压缩无密封潜水泵 Suction isolation multilayer disc compressed air diving sealless pumps |
| 12/07/2011 | CN202065195U 一种洗碗机洗涤电机泵 To a dishwasher wash pump motor |
| 12/07/2011 | CN202065194U 新型衬氟磁力驱动泵 The new fluorine magnetic drive pump |
| 12/07/2011 | CN202065190U 新型渣液粉碎输送泵 The new slag grinding fluid pump |
| 12/07/2011 | CN101501962B 磁悬浮电动机和泵 Maglev motors and pumps |
| 12/07/2011 | CN101487473B 深井泵 Deep well pump |
| 12/01/2011 | WO2011150107A1 Sumbersible pump utilizing magnetic clutch activated impeller |
| 11/30/2011 | EP2390509A2 Resin injection molded rotary member |
| 11/30/2011 | CN202056095U 同步电机沉水泵叶轮定向结构及同步电机沉水泵 Shen directional synchronous motor pump impeller pump structure and synchronous motors Shen |
| 11/30/2011 | CN202056067U 下吸单吸自动平衡轴向力潜水电泵结构 Downdraft single suction submersible pump automatically balance the axial force structure |
| 11/30/2011 | CN202056066U 不锈钢外壳潜水电泵 Stainless steel submersible pump housing |
| 11/30/2011 | CN202056065U 一种用于电动汽车的水泵电机 Pump motors for electric vehicles |
| 11/30/2011 | CN202056064U 一种新型联碱冷析结晶器循环泵 A new Cold Soda Crystallization circulation pump |
| 11/30/2011 | CN202056063U 一种可输送含颗粒介质的耐腐磁力泵 A corrosion-resistant magnetic pump can transport medium containing particles |
| 11/30/2011 | CN202056062U 一种风电互补驱动海水淡化高压泵的装置 A wind power complementary high-pressure pump driven desalination device |
| 11/30/2011 | CN202055798U Well cementing equipment |
| 11/30/2011 | CN202055029U 超低浴比三级叶轮泵染纱机 Three ultra-low liquor ratio dyeing machine pump impeller |
| 11/30/2011 | CN102261339A 潜水泵 Submersible Pump |
| 11/30/2011 | CN101749254B 气液混输旋转动力泵 Gas-liquid multiphase rotary power pump |
| 11/29/2011 | US8066492 Drive device for the oil pump of a motor vehicle transmission |
| 11/24/2011 | US20110286863 Auxiliary system for a drive device |
| 11/24/2011 | DE102011018240A1 Radial pump has rotatable impeller in housing, where shut-off is directly or indirectly connected to pressure chamber through control valve |
| 11/23/2011 | CN202047997U Three-phase swimming pool pump |
| 11/23/2011 | CN202047996U Low-noise leak-free circulating pump |
| 11/23/2011 | CN202047995U Centrifugal pump for counter-current training in swimming pool |
| 11/23/2011 | CN202047994U Wind water pumping device |
| 11/23/2011 | CN202047926U Novel cooling tower fan |
| 11/23/2011 | CN102251970A Marine self-suction grinding centrifugal pump |