| 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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| 07/29/2004 | US20040146416 Apparatus for use in slurry pumps |
| 07/29/2004 | DE10301629A1 Non-chokable pump for conveying liquids with solid components comprises a progressive transition of an intake-side housing wall to the wall of a housing space radial to an impeller |
| 07/29/2004 | DE10252920A1 Kleinrührwerk Small agitator |
| 07/28/2004 | EP1441129A1 Turbo pump |
| 07/28/2004 | CN2628758Y Abrasion resistan sand stone pump rear-end cover |
| 07/21/2004 | EP1438511A1 Pump for conveying fluids and mixtures of fluids |
| 07/21/2004 | CN2627264Y Novel stone and sand pump |
| 07/21/2004 | CN1514126A Fuel pump for mounting in fuel tank |
| 07/15/2004 | WO2004059173A1 Centrifugal pump with configured volute |
| 07/15/2004 | US20040136825 Multiple diverter for reducing wear in a slurry pump |
| 07/15/2004 | DE19910813B4 Strömungsmaschinenrad Strömungsmaschinenrad |
| 07/14/2004 | CN2625618Y Pollution discharge pump impeller having smash function |
| 07/14/2004 | CN1513089A Pump for transporting heat exchange medium for multi-tube reactor |
| 07/14/2004 | CN1157539C Blade wheel of slurry pump and its manufacture method |
| 07/08/2004 | DE10357506A1 Kraftstoffpumpe zum Einbau in einem Kraftstoffbehälter Fuel pump for installation in a fuel tank |
| 07/01/2004 | US20040126228 Centrifugal pump with configured volute |
| 06/30/2004 | CN2622438Y Corrosion-resisting pump |
| 06/29/2004 | US6755614 Molten metal pump impeller |
| 06/29/2004 | CA2146580C Abrasion resistant gas separator |
| 06/24/2004 | US20040120828 Pump system with vacuum source |
| 06/17/2004 | US20040115079 Protective coatings for molten metal devices |
| 06/17/2004 | US20040115077 Fuel pump to be installed inside fuel tank |
| 06/10/2004 | WO2004024613A3 Fuel leak detection device for a fuel dispenser |
| 06/08/2004 | US6746206 Centrifugal pump |
| 06/03/2004 | WO2004046555A2 Molten metal pump impeller system |
| 06/03/2004 | CA2505747A1 Molten metal pump impeller system |
| 06/02/2004 | CN2619071Y Submerged halogen electric pump |
| 06/02/2004 | CN1152150C Method and apparatus for removing bottom dross from melting zinc during galvannealing or galvanizing |
| 05/27/2004 | US20040101415 Method and a pump apparatus for the generation of an adjustable, substantially constant volume flow of a fluid and a use of this method |
| 05/25/2004 | CA2249248C Method and device at the pumping of a medium |
| 05/20/2004 | US20040096330 Molten metal pump impeller system |
| 05/19/2004 | EP1420119A1 Sanitary device |
| 05/19/2004 | EP1419684A1 Small agitator device |
| 05/13/2004 | WO2004040143A1 Molten metal pump system |
| 05/13/2004 | WO2004040142A2 Molten metal pump system |
| 05/13/2004 | US20040091371 Pumping device |
| 05/13/2004 | CA2508564A1 Molten metal pump system |
| 05/06/2004 | DE10058669B4 Mikromotor Micromotor |
| 04/29/2004 | US20040081555 Molten metal pump system |
| 04/29/2004 | US20040080085 Molten metal pump system |
| 04/28/2004 | CN1147342C Degassing centrifugal apparatus, process for pumping and degassing fluid and process for producing paper or board |
| 04/27/2004 | CA2295932C Improved rotor for blood pump |
| 04/22/2004 | US20040076533 Couplings for molten metal devices |
| 04/21/2004 | EP1409899A1 Bushing arrangement for seal cavity protection in rotating fluid equipment |
| 04/21/2004 | EP1409103A1 Degassing centrifugal apparatus, process for pumping and degassing a fluid and process for producing paper or board |
| 04/20/2004 | US6723205 Degassing centrifugal apparatus with energy recovery, process for degassing a fluid and process for producing paper or board |
| 04/20/2004 | CA2115929C A submersible molten metal pump |
| 04/15/2004 | DE10296521T5 Pumpvorrichtung Pumping device |
| 04/08/2004 | WO2004029464A1 A suction diffuser |
| 04/07/2004 | EP1135611B1 Improvements relating to froth pumps |
| 03/30/2004 | US6711943 Method for the determination of the viscosity of a liquid such as blood |
| 03/25/2004 | WO2004024613A2 Fuel leak detection device for a fuel dispenser |
| 03/25/2004 | WO2003078844A3 Pump system with vacuum source |
| 03/25/2004 | US20040057852 Suction diffuser |
| 03/25/2004 | CA2498268A1 Secondary containment system and method |
| 03/24/2004 | EP1399678A1 Pump for transporting a heat exchange medium for a multi-tube reactor |
| 03/24/2004 | CN1483931A Fnel pump with acid-resisting film bearing |
| 03/23/2004 | US6709234 Impeller shaft assembly system |
| 03/16/2004 | CA2188138C Centrifugal chopper pump |
| 03/11/2004 | WO2003036095A3 Impeller system for molten metal pumps |
| 03/11/2004 | US20040047753 Ventricular assist system secondary impeller |
| 03/11/2004 | US20040046466 Miniature motor |
| 03/11/2004 | US20040045343 Secondary containment system and method |
| 03/02/2004 | US6698916 Underwater agitation pump |
| 02/26/2004 | US20040035961 Sanitary shredder |
| 02/25/2004 | EP0901574B1 Submerged motor pump |
| 02/25/2004 | CN1478059A Process and apparatus for treating waste water |
| 02/25/2004 | CN1477312A Phenolic fibre reinforced plastics die-produced anti-corrosive water ring type vacuum pump |
| 02/17/2004 | US6692234 Pump system with vacuum source |
| 02/12/2004 | US20040028485 Bulk material pump feeder with reduced disk jamming |
| 02/12/2004 | DE10120409B4 Kreiselpumpe zur Förderung heißer Medien Centrifugal pump for delivering hot media |
| 02/11/2004 | EP1121534B1 Pulp pump |
| 02/10/2004 | US6688115 High-pressure delivery system for ultra high purity liquid carbon dioxide |
| 02/05/2004 | US20040022632 Impeller for molten metal pump with reduced clogging |
| 02/03/2004 | US6685621 Implantable heart assist system and method of applying same |
| 01/29/2004 | US20040019251 Implantable heart assist system and method of applying same |
| 01/21/2004 | CN1135301C Concrete pump |
| 01/20/2004 | CA2305865C Molten pump with monolithic rotor and rigid coupling |
| 01/15/2004 | DE10327573A1 Einstufige Strömungspumpe Single-stage flow pump |
| 01/15/2004 | DE10228859A1 Verfahren zum Fördern einer wenigstens ein (Meth)acrylmonomeres enthaltenden Flüssigkeit F A method for conveying at least one of a (meth) acrylic monomer-containing fluid F |
| 01/14/2004 | CN2599286Y Pump for drawing sand or water |
| 01/13/2004 | US6676383 Method and a pump apparatus for the generation of an adjustable, substantially constant volume flow of a fluid and a use of this method |
| 01/08/2004 | WO2004003389A1 Method for conveying a liquid f containing at least one (meth)acrylic monomer |
| 01/06/2004 | CA2262108C Gas injection pump |
| 12/31/2003 | CN2596080Y Improved acid-proof, alkali-proof vane of vertical pump |
| 12/18/2003 | US20030231953 Single stage, dual channel turbine fuel pump |
| 12/17/2003 | CN2592911Y Self-sealing, adjusting-sleeve, lining-board sand pump |
| 12/04/2003 | US20030223879 Centrifugal fluid pump assembly |
| 12/02/2003 | US6656415 Process and 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 |
| 12/02/2003 | US6655930 Insulation means for a centrifugal pump |
| 11/27/2003 | US20030218086 Apparatus and method for recirculating machine tool coolant and removing ferrous debris therefrom |
| 11/26/2003 | CN2588081Y Centrifugal multi-stage mud pump |
| 11/26/2003 | CN1128936C Pump |
| 11/20/2003 | US20030215331 Rotary pump for pumping fluids, mainly sewage water |
| 11/19/2003 | EP1169550A4 Pump assembly and related components |
| 11/19/2003 | EP0925451B1 Implantable electric axial-flow blood pump with blood-cooled bearing |
| 11/18/2003 | US6649055 Pump station for radioactive waste water |
| 11/12/2003 | EP0917625B1 Molten metal transfer pump |
| 11/06/2003 | WO2003091572A1 Centrifugal pump, in particular spirally-housed centrifugal pump for a heat exchange medium |
| 10/29/2003 | EP1357294A2 Sewage pump |