| 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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| 02/13/2014 | US20140044520 Mold pump assembly |
| 02/12/2014 | CN203430796U Durable desulphurization pump |
| 02/12/2014 | CN103573646A High-temperature-resistant light all-plastic slurry pump |
| 02/12/2014 | CN103573645A Wear resistant sand pump |
| 02/12/2014 | CN103573644A Low-temperature barrel bag pump mechanical sealing protecting device |
| 02/12/2014 | CN102099585B Improved centrifugal pump impellers |
| 02/11/2014 | US8647058 Cementless pump for pumping molten metal |
| 02/11/2014 | CA2591769C Improved pump and method |
| 02/06/2014 | WO2014020375A1 Pump and submersible solids processing arrangement |
| 02/06/2014 | US20140037432 Controllable coolant pump |
| 02/05/2014 | CN203420898U Cutting impeller and cutter seat for mining flame-proof type submersible cutting electric pump |
| 02/05/2014 | CN203420897U Excrement sucking machine having self-smashing function |
| 02/05/2014 | CN203420896U Screw pump |
| 01/29/2014 | CN103541907A Corrosion-resistant high-temperature-resistant double-suction oil slurry pump |
| 01/23/2014 | US20140023485 Centrifugal pump |
| 01/22/2014 | CN203404137U 液下渣浆泵 Under the liquid slurry pump |
| 01/22/2014 | CN203404123U Desulphurization pump |
| 01/22/2014 | CN103527493A Screw and vertex combined slurry pump |
| 01/22/2014 | CN103527492A Novel two-stage impeller ceramic pump |
| 01/22/2014 | CN102066769B Improvements relating to pump seal assemblies |
| 01/16/2014 | DE10357506B4 Kraftstoffpumpe zum Einbau in einem Kraftstoffbehälter Fuel pump for installation in a fuel tank |
| 01/15/2014 | EP2683946A1 Rotodynamic pump for variable output flow |
| 01/15/2014 | CN203394771U Submersible slurry pump for steel-rolling vortex pool |
| 01/15/2014 | CN203394770U Magnetic drive pump |
| 01/15/2014 | CN203394769U Semi-open type impeller self-balancing multistage centrifugal pump |
| 01/15/2014 | CN103511323A Novel vertical type coal water slurry pump |
| 01/15/2014 | CN103511321A Mining heavy type slurry pump with water seal arranged at suction inlet |
| 01/15/2014 | CN103511287A Horizontal-type radial subdivision volute-type dual-cylinder pump |
| 01/14/2014 | CA2733470C Non-ferrous metal melt pump and metling furnace system using the same |
| 01/08/2014 | CN103502651A Mold pump assembly |
| 01/08/2014 | CN103502538A Apparatus and method for the dredging of sediments from the seabed |
| 01/02/2014 | US20140003929 Free-flow pump |
| 01/01/2014 | CN203374493U Horizontal type concentrated pulp foam pump system |
| 01/01/2014 | CN203374492U Horizontal type concentrated pulp foam pump |
| 12/27/2013 | WO2013050956A3 Pump for pumping liquid comprising solid matter |
| 12/25/2013 | EP2675954A1 Apparatus and method for the dredging of sediments from the seabed |
| 12/25/2013 | CN203362613U Desulphurization pump with freezing and congealing resisting and liquid discharging device |
| 12/25/2013 | CN203362542U Mixed-flow pump |
| 12/25/2013 | CN203362531U Magnesium alloy quantification material pump structure |
| 12/25/2013 | CN203362530U Reaction product pump for hydrogenation device |
| 12/25/2013 | CN203362529U Sediment pump for collecting sediment |
| 12/25/2013 | CN203362528U Single-stage single-suction centrifugal pulp pump |
| 12/25/2013 | CN203362527U Pneumatic pump suitable for conveying viscous fluid |
| 12/25/2013 | CN103470514A Magnetic pump |
| 12/25/2013 | CN103470513A Direct-connected low-temperature centrifugal pump structure |
| 12/18/2013 | CN203348094U Low-cavitation erosion first-stage double suction type radiation feeding pump |
| 12/18/2013 | CN203348093U Low-cavitation dual-barrel first stage double-suction radiation charge pump |
| 12/18/2013 | CN203348092U Vertical type subsurface slurry pump |
| 12/12/2013 | WO2013182528A1 Pump sealing device |
| 12/12/2013 | US20130327405 Chopper pump with mixing nozzles for a sewage wet-well |
| 12/11/2013 | CN203335415U Nuclear power station seawater booster pump |
| 12/11/2013 | CA2820938A1 Chopper pump with mixing nozzles for a sewage wet-well |
| 12/04/2013 | CN203321837U Centrifugal slurry pump |
| 12/03/2013 | CA2572362C Pump wet end replacement procedure complete with an impeller fixing mechanism |
| 11/27/2013 | CN203308758U Pre-chopping sewage draining centrifugal pump |
| 11/27/2013 | CN203308725U Thickened oil gathering and conveying pump |
| 11/27/2013 | CN203308724U Brushless methanol fuel oil pump |
| 11/13/2013 | CN203285692U Small-flow and high-lift desulphurization pump structure |
| 11/13/2013 | CN203285691U Conveying and stirring integrated machine |
| 11/13/2013 | CN102105700B A pump housing support |
| 11/06/2013 | EP2660473A1 Waste water pump |
| 11/06/2013 | CN203272151U Dreg removal pump |
| 11/06/2013 | CN203272150U Novel shaft seal slurry pump |
| 11/06/2013 | CN103382941A Horizontal dense slurry foam pump |
| 11/06/2013 | CN103382940A Horizontal dense slurry foam pump system |
| 11/06/2013 | CN103382939A Waste water pump |
| 11/05/2013 | CA2610567C A pump |
| 11/05/2013 | CA2606677C A pump |
| 10/31/2013 | US20130287561 Pump |
| 10/30/2013 | EP2655888A1 Pump device |
| 10/30/2013 | CN203257691U Slurry pump with replaceable shaft head |
| 10/24/2013 | WO2013157986A1 Centrifugal pump with a magnetic coupling for the delivery of hot fluids |
| 10/23/2013 | CN103362825A Ceramic slurry pump provided with sheath with self-balanced internal and external pressure |
| 10/23/2013 | CN103362824A Submerged slurry pump with spiral stirring blade |
| 10/23/2013 | CN103362823A Wear-resisting sand suction pump |
| 10/17/2013 | WO2013118149A3 Double suction concrete volute pumping assembly |
| 10/09/2013 | EP2646694A1 Centrifugal pump and a double bent rotor blade for use in such a centrifugal pump |
| 10/09/2013 | CN203230592U Cutting submerged pump |
| 10/09/2013 | CN103348142A Centrifugal pump and a double bent rotor blade for use in such a centrifugal pump |
| 10/09/2013 | CN103343752A 离心泵叶轮 Centrifugal Impeller |
| 10/03/2013 | WO2013144623A1 Froth pump and method |
| 10/02/2013 | EP2644896A2 Liquid metal pump for chemical reactor heating circuit |
| 10/02/2013 | EP2643596A1 Self-cleaning cover plate in a pump with radial flow |
| 10/02/2013 | EP2643595A1 Self-cleaning screw-type centrifugal wheel pump with recirculation behind the impeller |
| 10/02/2013 | EP2643594A1 Pump for pumping liquid containing solid matter |
| 10/02/2013 | CN203223387U Slurry-sucking device used for slurry pump mud pumping |
| 10/02/2013 | CN103339386A Self-cleaning screw-type centrifugal wheel pump with recirculation behind the impeller |
| 09/26/2013 | WO2013141120A1 Centrifugal pump and method for manufacturing same |
| 09/26/2013 | US20130251505 Ejector Cycle |
| 09/25/2013 | CN203214341U Titanium forced circulating pump |
| 09/25/2013 | CN103321938A Segmental structure for stirring head and main shaft of multi-stage submerged desilting pump |
| 09/18/2013 | CN103306988A Novel chemical centrifugal pump |
| 09/18/2013 | CN103306987A Multistage blade mud pump for riserless subsea mudlift drilling |
| 09/18/2013 | CN103305772A High-hardness slurry pump body and manufacturing method thereof |
| 09/12/2013 | WO2012153169A8 Apparatus and method for the dredging of sediments from the seabed |
| 09/11/2013 | CN203189320U Vane wheel with titanium nitride nano coating |
| 09/11/2013 | CN203189273U Novel multifunctional sewage pump |
| 09/11/2013 | CN103299085A Self-cleaning cover plate in a pump with radial flow |
| 09/11/2013 | CN103291626A Slurry pump |
| 09/10/2013 | US8529828 Molten metal pump components |