| 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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| 04/11/2007 | EP1608823B1 Method for the effective treatment of sewage in a transfer tank |
| 04/11/2007 | CN2888144Y Self-sealing type mortar pump |
| 04/11/2007 | CN1945021A No-blocking pollution discharging pump |
| 04/10/2007 | US7201018 Solifdification; heating ; pressurization; accumulation |
| 04/10/2007 | CA2389406C Centrifugal submersible pump |
| 04/05/2007 | WO2007036277A1 Pump arrangement having a sliding ring sealing arrangement with a sealing fluid water seal, and application for pumping pulp solutions in the paper industry |
| 04/05/2007 | US20070074844 Device for supplying casting installations with molten metal |
| 04/04/2007 | CN2886150Y Molten salt submerged pump |
| 04/04/2007 | CN2886143Y Vitriol submerged pump |
| 04/04/2007 | CN2886141Y Submerged shielding pump |
| 04/04/2007 | CN2886135Y 疏浚泵 Dredging Pump |
| 04/04/2007 | CN2886134Y Leakage-free pump special for plate frame press filter for use in chemical industry |
| 03/29/2007 | US20070069050 Two stage sewage grinder pump |
| 03/28/2007 | CN1938522A Pressurizing cenrrifugal pump |
| 03/28/2007 | CN1936337A Sugar-juice pump |
| 03/21/2007 | EP1764509A1 Cylindrical rotor with internal blades |
| 03/21/2007 | EP1466099B1 Fuel pump |
| 03/21/2007 | CN2881174Y Floating box type bittern collecting pump station |
| 03/21/2007 | CN2881162Y Special pump for soda |
| 03/14/2007 | CN2878736Y Silt pump |
| 03/14/2007 | CN1928368A Magnetically-actuated chemical flow-process pump |
| 03/13/2007 | US7189260 Ventricular assist system secondary impeller |
| 03/13/2007 | CA2265612C Implantable electric axial-flow blood pump with blood-cooled bearing |
| 03/07/2007 | EP1760162A1 Process for producing steels being tough at sub-zero temperature |
| 03/07/2007 | EP1716337B1 Cutting tool pertaining to a centrifugal pump |
| 03/07/2007 | CN1926338A Screw-centrifugal pump |
| 02/28/2007 | CN2874087Y Screw transport pump |
| 02/28/2007 | CN2874072Y Pollution discharging pump with back flushing stirring function |
| 02/28/2007 | CN1922403A Cutting tool pertaining to a centrifugal pump |
| 02/22/2007 | WO2007020972A1 Artificial heart pump |
| 02/22/2007 | DE202005016105U1 Transportable pump device for intake and distribution of liquid, organic suspensions and liquid manure on agriculturally useful surfaces, has centrifugal pump which is connected parallel to rotary pump |
| 02/21/2007 | CN2871934Y Sealer of air-tight pump |
| 02/21/2007 | CN1916426A Intelligent pump set matched to new sewage treatment facility |
| 02/14/2007 | CN2869404Y Full-suction energy-saving vertical silt-proof discharge pump |
| 02/14/2007 | CN1914407A Casing for a centrifugal pump |
| 02/14/2007 | CN1300469C Pump for transporting heat exchange medium for multi-tube reactor |
| 02/07/2007 | CN2866914Y Hot water single-stage double-priming level middle opening volute type centrifugal pump |
| 02/07/2007 | CN2866909Y Double-vane pump |
| 01/31/2007 | EP1747377A1 Impeller |
| 01/30/2007 | US7168915 Apparatus for axial adjustment of chopper pump clearances |
| 01/24/2007 | CN2861568Y Disc pump |
| 01/24/2007 | CN2861566Y Sewage treatment pump |
| 01/24/2007 | CN2861560Y Centrifugal type sand pump |
| 01/18/2007 | US20070014662 Pump housing assembly with liner |
| 01/17/2007 | EP1341568B1 Miniature motor |
| 01/17/2007 | CN2857717Y Centrifugal pump |
| 01/11/2007 | WO2007004943A1 A pump |
| 01/11/2007 | CA2606677A1 A pump |
| 01/10/2007 | CN2856521Y Short flowing circulating pump |
| 01/10/2007 | CN2856520Y Impeller gap regulating gear of semi-opening impeller cantilever chemical pump |
| 01/10/2007 | CN2856509Y Wear resistance and corrosion resistance self-sucking pump |
| 01/10/2007 | CN2856508Y Novel thermal structure of mechanically sealed non-normal temp chemical flow pump |
| 01/10/2007 | CN1294360C Feed pump |
| 01/09/2007 | CA2161949C Pump for pumping fibrous pulp suspensions |
| 01/03/2007 | EP1739310A1 Pressurizing centrifugal pump |
| 01/03/2007 | CN1888443A Improved chemical pump |
| 01/03/2007 | CN1293308C Stirring pump in water |
| 01/02/2007 | US7156614 Centrifugal pump with multiple inlets |
| 12/21/2006 | WO2006135304A1 A pump |
| 12/21/2006 | CA2610567A1 A pump |
| 12/20/2006 | CN2849259Y Installing structure capable of preventing scurring against electric machine terminal after heated of high temperature high pressure pump |
| 12/20/2006 | CN2849248Y Immersion pump shaft seal used in corrosion situation |
| 12/13/2006 | EP0961852B2 Pump for fibrous pulp suspension with means for separating gas from the suspension |
| 12/13/2006 | CN2846826Y High temperature type chemical shield electric pump |
| 12/13/2006 | CN2846821Y Single suction double flow path semi open semi close type impeller |
| 12/07/2006 | WO2005045254A3 Improved impeller and wear plate |
| 12/06/2006 | CN2844522Y Slag slurry pump |
| 12/05/2006 | US7144217 Molten metal pump particle passage system |
| 11/30/2006 | US20060270894 Implantable heart assist system and method of applying same |
| 11/29/2006 | CN1871437A 离心泵 Centrifugal |
| 11/23/2006 | US20060264695 Implantable heart assist system and method of applying same |
| 11/22/2006 | CN1865707A High-performance energy-saving and intelligent pump for petrochemical industry |
| 11/16/2006 | US20060255194 Pump impeller and chopper plate for a centrifugal pump |
| 11/15/2006 | CN1862023A High temp, vertical centrifugal pump |
| 11/14/2006 | US7134848 Pump for transporting heat-exchange medium for a multi-tube reactor |
| 11/09/2006 | WO2006116792A1 Air diffuser system for industrial pumps |
| 11/08/2006 | CN2835664Y Integrated high-temperature high-pressure canned motor pump |
| 11/08/2006 | CN2835653Y Agitating type underwater drainage water pump |
| 11/02/2006 | EP1716337A1 Cutting tool pertaining to a centrifugal pump |
| 10/26/2006 | WO2006112646A1 Sludge pump that is used to general |
| 10/25/2006 | CN2830725Y Underwater shielded electrical pump |
| 10/25/2006 | CN2830724Y Novel cutter of water pump |
| 10/25/2006 | CN2830718Y Strong self-sucking drege pump |
| 10/25/2006 | CN1281400C Phenolic fibre reinforced plastics die-produced anti-corrosive water ring type vacuum pump |
| 10/24/2006 | US7125376 Implantable heart assist system and method of applying same |
| 10/24/2006 | US7125221 Centrifugal pump improvements |
| 10/24/2006 | US7125218 Circumferential flow pump |
| 10/19/2006 | DE112004000729T5 Künstliche Herzpumpe Artificial Heart Pump |
| 10/18/2006 | EP1711687A1 Casing for a centrifugal pump |
| 10/18/2006 | CN1847667A Generator rotor structure for hot water circulating pump |
| 10/18/2006 | CN1280547C Filling pump shaft |
| 10/17/2006 | US7121551 Bushing arrangement for seal cavity protection in rotating fluid equipment |
| 10/10/2006 | US7118327 Impeller and cutting elements for centrifugal chopper pumps |
| 10/05/2006 | WO2006103435A1 Use of fluidic pumps |
| 10/05/2006 | DE202005002084U1 Pump for cooling and lubricating liquids contaminated with metal chippings, has blades provided with first cutting edge which, when impeller rotates, is in cutting relation with at least one second cutting edge formed at intake opening |
| 10/04/2006 | CN2823622Y Artistic paper pulp pump |
| 10/04/2006 | CN2823613Y Single suction double runner double closed vane |
| 10/04/2006 | CN1842658A Pump housing assembly with liner |
| 09/28/2006 | WO2006100566A1 Pump |
| 09/28/2006 | WO2006099921A1 Pump with cutting impeller and pre-chopper |