| Patents for F04D 7 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts (4,105) |
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| 03/14/2012 | CN102374173A Non-blockage rotary type pulp pump with adjustable liquid outlet angle |
| 03/14/2012 | CN102374172A Non-blocking rotary paper pulp pump with adjustable impeller |
| 03/14/2012 | CN102374171A Non-block rotary type pulp pump |
| 03/07/2012 | EP1979621B1 Magnetically coupled centrifugal pump for corrosive media |
| 03/07/2012 | CN202157970U 有色金属熔液泵及使用这种金属泵的熔化炉系统 Use of such non-ferrous metal melt pump and a melting furnace system pump |
| 02/29/2012 | CN202152736U 组合式酸洗泵 Combined pickling pump |
| 02/22/2012 | EP2419160A1 Heart pump controller |
| 02/15/2012 | CN101865139B 用于磁力泵的内部驱动器组件 Internal drive assembly for magnetic pump |
| 02/08/2012 | CN202140317U 大流量镁合金转液泵 Magnesium alloy transfer pump large flow |
| 02/08/2012 | CN102345609A Casing clamp type waste acid concentration pump |
| 02/08/2012 | CN102345608A Waste acid concentration pump with labyrinth type auxiliary impeller |
| 02/08/2012 | CN101586571B 淤泥泵堵塞后自动停机控制系统 Sludge pump control system automatically shut down after the blockage |
| 02/07/2012 | US8110141 Pump with rotating inlet |
| 02/02/2012 | WO2012013973A1 Screw type pump or motor |
| 02/02/2012 | CA2806472A1 Screw type pump or motor |
| 02/01/2012 | CN102341600A 离心式泵装置 Centrifugal pump unit |
| 01/26/2012 | US20120020794 Rotor with inlet perimeters |
| 01/19/2012 | WO2012008297A1 Centrifugal pump device |
| 01/11/2012 | EP2405140A1 Centrifugal pump device |
| 01/11/2012 | CN101737355B Mechanical seal in IFB phenolic aldehyde glass fiber centrifugal pump |
| 01/11/2012 | CN101198793B A pump |
| 01/05/2012 | CA2804111A1 Molten metal impeller |
| 01/04/2012 | EP2402614A2 Method And Apparatus For Acid Gas Compression |
| 01/04/2012 | CN202100481U Automatic sludge sucking machine |
| 01/03/2012 | CA2538556C Multi functional pump for pumping molten metal |
| 12/28/2011 | CN202091207U 一种内外拐角喷水高浓度离心纸浆泵 One kind of high concentrations of water inside and outside corners pulp centrifugal pump |
| 12/28/2011 | CN102297138A 一种中浓浆泵 A medium pump thick |
| 12/28/2011 | CN101680452B 泵组件及通过在冲击泵组件中获得起作用的剪切作用的方法 The pump assembly and method for obtaining work in shearing action of the pump assembly by impact |
| 12/27/2011 | US8083051 Bulk material pump feeder with reduced disk jamming |
| 12/21/2011 | CN202082110U 一种外拐角喷水高浓度离心纸浆泵 One kind of high concentrations of water outside corner centrifugal pump pulp |
| 12/21/2011 | CN102287378A 纸浆泵 Pulp Pump |
| 12/15/2011 | WO2011105697A3 Dialyzing fluid pump, and hemodialysis apparatus having same |
| 12/13/2011 | US8075837 Pump with rotating inlet |
| 12/08/2011 | WO2011105698A3 Dialysis fluid pump, and hemodialysis apparatus having same |
| 12/07/2011 | CN202065190U 新型渣液粉碎输送泵 The new slag grinding fluid pump |
| 12/07/2011 | CN102271728A 用于连续流动全人工心脏的生理性控制的方法 Physiological control method continuous flow total artificial heart for |
| 12/07/2011 | CN102269177A 一种降低泵密封腔压力的方法 A method for reducing the pump seal chamber pressure method |
| 12/07/2011 | CN101725540B 石油焦粉变频输送泵 Petroleum coke powder pump frequency |
| 12/07/2011 | CN101652571B 用于工业泵的空气扩散器系统 Air diffuser system for industrial pumps |
| 12/01/2011 | DE10232967B4 Reaktor mit einem Wärmetauschmittelkreislauf Reactor with a heat exchange medium circuit |
| 11/23/2011 | CN102257279A Centrifugal pump with offset volute |
| 11/17/2011 | WO2011142711A1 Arrangement for degassing control |
| 11/16/2011 | EP2386519A1 Fuel leak detection device for a fuel dispenser |
| 11/16/2011 | EP2386030A1 Centrifugal pump having a device for removal of particles |
| 11/16/2011 | CN102242727A Bearing box of heavy slurry pump and shafting transmission structure thereof |
| 11/16/2011 | CN101713411B Semi-open impeller pump with sealing cover plate structure |
| 11/10/2011 | WO2011139223A1 Centrifugal pump |
| 11/09/2011 | CN202031840U Portable drum pump |
| 11/09/2011 | CN202031839U Multi-speed sewage and slurry pump with stirring function |
| 11/09/2011 | CN102235365A Wear-resisting sand pump and casting method thereof |
| 11/02/2011 | EP2381975A2 Method for physiologic control of a continuous flow total artificial heart |
| 11/02/2011 | CN101603539B Corrosion-resistant pump made from carbon/carbon composite materials |
| 10/13/2011 | WO2011123892A1 Fluid pumps and monitoring systems for fluid pumps |
| 10/12/2011 | EP2188532B1 Pump rotor and pump comprising a pump rotor of said type |
| 10/12/2011 | CN102213219A Novel fluoroplastic alloy chemical centrifugal pump |
| 10/12/2011 | CN102212774A Repair process for pump case of desulfuration pump |
| 10/11/2011 | US8033792 High flow/high efficiency centrifugal pump having a turbine impeller for liquid applications including molten metal |
| 10/07/2011 | CA2733470A1 Non-ferrous metal melt pump and metling furnace system using the same |
| 10/05/2011 | EP2372164A2 Washing machine |
| 10/05/2011 | CN102207092A High-concentration centrifugal pulp pump capable of spraying water on outer corner |
| 10/05/2011 | CN102207091A High-concentration centrifugal pulp pump capable of spraying water on inner and outer corners |
| 10/05/2011 | CN101076668B Pump with cutting impeller |
| 09/29/2011 | DE102006018117B4 Verfahren zur Herstellung einer Kreiselpumpe für abrasive Flüssigkeiten mit Verschleißschutzteil A method of manufacturing a centrifugal pump for fluids with abrasive wear-resistant part |
| 09/21/2011 | CN201982310U 高温高腐蚀物料吸排机 High temperature and corrosive materials suction machine |
| 09/15/2011 | US20110220771 Support post clamps for molten metal pumps |
| 09/09/2011 | WO2011108493A1 Pump equipped with flow rate measurement function, and ballast water treatment device using same |
| 09/09/2011 | WO2011106829A1 Pump intake device |
| 09/09/2011 | CA2791079A1 Pump intake device |
| 09/07/2011 | CN201963592U 一种用于海底泥浆举升泵的双盘直叶片叶轮 Double straight blade impeller for a subsea mud lift pump |
| 09/07/2011 | CN101655103B Method for precooling centrifugal pump used for transporting low temperature ethylene |
| 09/07/2011 | CN101315080B Full sealing type refrigerant fluid pump and its application in high-rise storied house refrigerating system |
| 09/07/2011 | CN101251126B Lime slurry pump for sugar industry |
| 09/01/2011 | WO2011105698A2 Dialysis fluid pump, and hemodialysis apparatus having same |
| 09/01/2011 | WO2011105697A2 Dialyzing fluid pump, and hemodialysis apparatus having same |
| 09/01/2011 | US20110210232 Support posts for molten metal pumps |
| 08/31/2011 | CN201953664U 一种耐磨耐腐蚀的纸浆泵 A wear-resistant corrosion-resistant paper pulp pump |
| 08/25/2011 | WO2011102176A1 Centrifugal pump device |
| 08/24/2011 | EP2359007A1 Centrifugal pump with offset volute |
| 08/17/2011 | CN201934317U 一种用于石蜡及沥青的泵 A pump for paraffin and asphalt |
| 08/17/2011 | CN101260894B Sugar industry emulsifying mortar shear pump |
| 08/17/2011 | CN101251122B Sugar industry emulsifying lime slurry pump |
| 08/17/2011 | CN101251121B Sugar industry emulsifying lime slurry centrifugal pump |
| 08/03/2011 | CN201916205U 一种酸泵 An acid pump |
| 07/27/2011 | EP2348220A1 Immersion pump |
| 07/27/2011 | CN201908847U Inner corner water injection and high concentration centrifuge pulp pump |
| 07/13/2011 | CN201896758U 热水循环泵 Hot water circulation pump |
| 07/07/2011 | WO2011081575A1 Submersible pump stage |
| 07/07/2011 | WO2011081066A1 Impeller for pump, and submersible pump provided with same |
| 07/07/2011 | WO2011079892A1 Submersible pump |
| 07/06/2011 | CN201891610U Super-strong wear-resisting efficient slurry pump |
| 06/29/2011 | CN201884288U Novel asphalt pump |
| 06/29/2011 | CN201884287U Energy-saving sand pump |
| 06/22/2011 | CN201874839U Centrifugal dual-purpose water pump with functions of sand pumping and sand grinding |
| 06/22/2011 | CN201874837U Overflowless self-propelled dredge pump |
| 06/22/2011 | CN102105700A A pump housing support |
| 06/22/2011 | CN102102684A Connecting shaft of stirring and transfer submerged pump |
| 06/22/2011 | CN102102682A Outer pitshaft of stirring and conveying submerged pump |
| 06/22/2011 | CN102102675A Pump head of stirring and transfer submerged pump |
| 06/22/2011 | CN102102674A Base of stirring and transfer submerged pump |
| 06/22/2011 | CN102102673A Super-long submerged stirring and conveying pump |