| 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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| 03/10/2005 | US20050053499 Support post system for molten metal pump |
| 03/10/2005 | US20050053494 Open face cooling system for submersible motor |
| 03/10/2005 | US20050053461 Impeller and cutting elements for centrifugal chopper pumps |
| 03/03/2005 | US20050047908 Apparatus for axial adjustment of chopper pump clearances |
| 03/03/2005 | US20050045757 Pump impeller and chopper plate for a centrifugal pump |
| 03/02/2005 | EP1147316B1 Method and apparatus for pumping a material and a rotor for use in connection therewith |
| 02/24/2005 | US20050040604 Bushing arrangement for seal cavity protection in rotating fluid equipment |
| 02/24/2005 | US20050040183 Method and device for transporting a flowable building material |
| 02/24/2005 | US20050039518 Secondary containment leak prevention and detection system and method |
| 02/23/2005 | CN2680901Y Environment-friendly type sewage pump |
| 02/17/2005 | WO2005014444A1 Bulk material pump feeder |
| 02/16/2005 | CN1580576A Micro-shearing-force centrifugal pump |
| 02/09/2005 | CN2677670Y Helically blade insert pump for handling semi-fluid |
| 02/09/2005 | CN1576606A Vane and sewage treatment pump equipped with the same vane |
| 02/03/2005 | WO2005009619A2 Apparatus for axial adjustment of chopper pump clearances |
| 02/02/2005 | CN2675909Y 塑料磁力泵 Plastic magnetic pump |
| 02/02/2005 | CN1572331A Passive non-contacting smart bearing suspension for turbo blood-pumps |
| 01/27/2005 | WO2005008067A2 Impeller and cutting elements for centrifugal chopper pumps |
| 01/26/2005 | CN1570394A Method for sticking wear-resisting ceramic sheets on wearing apt surfaces |
| 01/20/2005 | US20050013715 System for releasing gas into molten metal |
| 01/20/2005 | US20050013714 Molten metal pump components |
| 01/20/2005 | US20050013713 Pump with rotating inlet |
| 01/20/2005 | US20050013689 Centrifugal pump with multiple inlets |
| 01/20/2005 | US20050013688 Impeller and sewage treatment pump including the same |
| 01/19/2005 | CN2672326Y Double reamer cutting pump |
| 01/18/2005 | US6843640 Pump for molten materials with suspended solids |
| 01/18/2005 | US6843003 Gravel-like material removing device |
| 01/13/2005 | WO2005002732A1 Pump impeller and chopper plate for a centrifugal pump |
| 01/12/2005 | EP1495230A1 Bulk material pump feeder |
| 01/12/2005 | CN2670634Y High-efficient pulp pumps |
| 01/12/2005 | CN1563723A Filling pump shaft |
| 01/05/2005 | CN2668898Y Vertical ore pulp pump |
| 01/05/2005 | CN2668895Y Sub mersible slag-slurry pump |
| 01/05/2005 | CN1560477A Sentrifugal oil pump |
| 01/04/2005 | US6837678 Molten metal pump impeller |
| 01/04/2005 | US6837675 Fuel pump |
| 12/30/2004 | DE102004025705A1 Kraftstoffpumpe Fuel pump |
| 12/29/2004 | EP1490599A2 Pump system with vacuum source |
| 12/29/2004 | CN2667209Y Clean and muddy water two purpose centrifugal pump |
| 12/29/2004 | CN2667208Y 离心泵 Centrifugal |
| 12/29/2004 | CN2667207Y Metering pump |
| 12/23/2004 | WO2004111463A1 Improved pump impeller |
| 12/23/2004 | WO2004110681A1 Device for supplying casting installations with molten metal |
| 12/22/2004 | CN2665415Y A modified corrosion resistant centrifugal pump packing ring |
| 12/21/2004 | US6832887 Bulk material pump feeder |
| 12/16/2004 | US20040253120 Pump for the transporting of fluids and of mixtures of fluids |
| 12/16/2004 | US20040253094 Centrifugal sewage pumps with two impellers |
| 12/16/2004 | DE102004024116A1 Kraftstoffpumpe Fuel pump |
| 12/15/2004 | EP1486277A1 Device for charging casting devices with molten metal |
| 12/09/2004 | US20040247468 Fuel pump |
| 12/09/2004 | DE102004023022A1 Kraftstoffpumpen-Flügelrad Fuel pump impeller |
| 12/08/2004 | CN1553058A Assembled mechanical sealer of impurity pump |
| 12/08/2004 | CN1552666A Producing method for material of magnetic-driven pump ceramic pumping and ceramic pumping |
| 12/07/2004 | US6827820 Degassing centrifugal apparatus, process for pumping and degassing a fluid and process for producing paper or board |
| 12/02/2004 | US20040241019 Passive non-contacting smart bearing suspension for turbo blood-pumps |
| 12/01/2004 | EP1481699A1 Passive non-contacting smart bearing suspension for turbo blood-pumps |
| 12/01/2004 | EP1480735A1 Sealed impeller for producing metal foam and system and method therefor |
| 12/01/2004 | EP0973953B1 Device for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zinc |
| 12/01/2004 | CN1550677A 燃料泵 Fuel pump |
| 11/28/2004 | CA2468546A1 Passive non-contacting smart bearing suspension for turbo blood-pumps |
| 11/25/2004 | US20040236420 Artificial heart pump equipped with hydrodynamic bearing |
| 11/25/2004 | US20040236173 Implantable heart assist system and method of applying same |
| 11/25/2004 | US20040234370 Chopping pump impeller assembly |
| 11/24/2004 | EP1092094B1 Centrifugal pump |
| 11/24/2004 | CN2658439Y Packing box of floating pump |
| 11/24/2004 | CN1177144C Method for making anticorrosion glass pump |
| 11/18/2004 | US20040228721 Fuel pump |
| 11/17/2004 | EP1476207A1 Implantable heart assist system |
| 11/17/2004 | CN2656676Y Improved plastic lined pump |
| 11/11/2004 | WO2004096320A1 Artificial cardiac pump |
| 11/11/2004 | US20040223841 Fuel pump impeller |
| 11/03/2004 | EP1135182B1 Blood pump without bearing |
| 11/03/2004 | CN2653191Y Stirring sand suction pump |
| 10/20/2004 | CN1538074A Energy-saving high-efficiency centrifugal pump with strong corrosion resistant |
| 10/12/2004 | CA2164622C Grooved disk apparatus |
| 10/06/2004 | EP0916024B1 Rotodynamic pump |
| 10/05/2004 | US6799944 Rotary pump for pumping fluids, mainly sewage water |
| 10/05/2004 | US6799943 Centrifugal pump with multiple inlets |
| 09/29/2004 | CN2644733Y Vertical mud sand pump |
| 09/29/2004 | CN2644715Y Multi-step speed reducing gear box integrated transmission with dredge pump |
| 09/23/2004 | US20040184913 Blade structure for acid and base resistant vertical-pump blade structure |
| 09/21/2004 | US6794789 Miniature motor |
| 09/15/2004 | CN2641343Y Rubber vane type sea water pump driven by ship diesel engine |
| 09/15/2004 | CN2641329Y Sludge pump linked with transmission device |
| 09/14/2004 | US6790016 Motor and its blade unit |
| 09/14/2004 | CA2256272C A pump impeller hub |
| 09/08/2004 | EP0894161B1 System for feeding a suspension to a pressurized vessel |
| 09/08/2004 | CN2639569Y Noncorrosive centrifugal oil pump |
| 09/02/2004 | WO2004046555A3 Molten metal pump impeller system |
| 08/25/2004 | EP1088170B1 Pulp pump |
| 08/25/2004 | EP1003970B1 Improved rotor for blood pump |
| 08/25/2004 | CN2635958Y Column type vane for centrifugal slag slurry pump |
| 08/25/2004 | CN2635947Y Self-suction mud pump |
| 08/18/2004 | CN2634157Y Slag slurry pump |
| 08/12/2004 | WO2004067863A1 Method and pump unit for the effective treatment of sewage in a transfer tank |
| 08/12/2004 | US20040156721 Pump for transporting heat-exchange medium for a multi-tube reactor |
| 08/12/2004 | US20040154333 Solifdification; heating ; pressurization; accumulation |
| 08/12/2004 | DE10297041T5 Mit einem hydrodynamischen Lager ausgestattete Kunstherzpumpe With a hydrodynamic bearing-equipped artificial heart pump |
| 08/11/2004 | CN2632366Y Mixing discahrge pumps |
| 08/05/2004 | WO2004065796A1 Non-chokable pump |