| 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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| 10/10/2001 | CN2453167Y Improved direct-linkage type corrosion-resistant pump |
| 10/09/2001 | US6299406 High efficiency and low noise fuel pump impeller |
| 10/09/2001 | CA2047803C Pump with seal purge heater |
| 10/04/2001 | WO2001072351A2 Ventricular assist system secondary impeller |
| 10/04/2001 | WO2001020165A3 Top-flow centrifugal fluid pump |
| 10/04/2001 | EP1138953A2 Impeller for circumferential current pump |
| 10/03/2001 | CN2451778Y Protection of submerged mud pump |
| 10/03/2001 | CN2451770Y Improved anticorrosion plastic lining pump |
| 09/26/2001 | EP1135611A1 Improvements relating to froth pumps |
| 09/26/2001 | EP1135182A1 Blood pump without bearing |
| 09/26/2001 | CN1314975A Hydraulic pressure pump, especially delivering fuel |
| 09/20/2001 | WO2001017581A3 Guidable intravascular blood pump and related methods |
| 09/19/2001 | EP1134425A2 Regenerative fuel pump impeller |
| 09/19/2001 | CN2448958Y Pump for pumping cobble |
| 09/19/2001 | CN2448957Y Improved fluid submerged pump |
| 09/19/2001 | CN1313466A Pump and hydraulic turbine and manufacture thereof |
| 09/19/2001 | CN1071422C Submerged pump |
| 09/16/2001 | CA2301427A1 Melt withdrawal device for melt furnaces for charging casting machines |
| 09/13/2001 | WO2001066951A2 Thermal barrier for reactor coolant pump |
| 09/13/2001 | WO2001025640A3 Centrifugal pump improvements |
| 09/12/2001 | EP1132622A2 Molten metal submersible pump |
| 09/12/2001 | EP1131560A1 Side channel pump |
| 09/08/2001 | CA2339615A1 Molten metal submersible pump system |
| 09/05/2001 | EP1130266A1 Device for supplying molten metal to casting installations |
| 09/05/2001 | EP1129295A1 Shaft and post assemblies for molten metal pumping apparatus |
| 09/05/2001 | CN2446308Y Ceramic screw pump |
| 09/05/2001 | CN1311749A Multiple channel system, apparatus and method for transporting particulates material |
| 09/05/2001 | CN1070583C 回转泵 Rotary pump |
| 08/29/2001 | EP0821616B1 Device for admixing a first fluid into a second fluid |
| 08/22/2001 | EP1125063A1 Compensator |
| 08/21/2001 | US6276824 Apparatus and method for slurrying waste materials and drill cutting in a tank and transferring them therefrom |
| 08/16/2001 | WO2001058814A1 Improvements in the use of septic tanks |
| 08/15/2001 | CN2443174Y Centrifugal pump |
| 08/08/2001 | EP1121534A1 Pulp pump |
| 08/08/2001 | CN2442033Y Gearbox special for mud pump |
| 08/08/2001 | CN2442004Y Vertical sand pump |
| 08/07/2001 | CA2009656C Molten metal pump with filter |
| 08/02/2001 | WO2001055601A1 Centrifugal pump with multiple inlets |
| 08/02/2001 | CA2398338A1 Centrifugal pump with multiple inlets |
| 08/01/2001 | CA2717264A1 Pump for molten materials with suspended solids |
| 07/24/2001 | CA2162371C Readily installed universal sewage grinder pump |
| 07/19/2001 | WO2001002724A8 Blood pump having a magnetically suspended rotor |
| 07/18/2001 | CN2439553Y 石墨泵 Graphite pump |
| 07/03/2001 | US6254340 Molten metal impeller |
| 07/03/2001 | US6254335 Device for admixing a first fluid into a second fluid |
| 06/27/2001 | CN2436692Y Pump structure capable of pumping water and gas |
| 06/26/2001 | US6250896 Pump for a cryogenic liquid and pump unit and distillation column which are equipped with such a pump |
| 06/26/2001 | US6250881 Molten metal shaft and impeller bearing assembly |
| 06/14/2001 | WO2001042653A1 Electromagnetically suspended and rotated centrifugal pumping apparatus and method |
| 06/14/2001 | CA2393772A1 Electromagnetically suspended and rotated centrifugal pumping apparatus and method |
| 06/13/2001 | EP1105649A1 Liquid pump, especially for delivering fuel |
| 06/13/2001 | DE19959501A1 Spiral pump for agricultural liquids has cutting device positioned radial to rotor wheel for cutting up solids suspended in pumped liquid |
| 06/12/2001 | US6244835 Blood pump having a magnetically suspended rotor |
| 06/12/2001 | US6244833 Device to increase slurry density |
| 06/12/2001 | CA2030881C Sewage pump with self-adjusting cutters |
| 06/05/2001 | US6241470 Rotodynamic pump |
| 05/30/2001 | EP1103724A2 Axial-pump for conveying molten metals |
| 05/30/2001 | CN2432359Y Sludge pump with flexible axle |
| 05/23/2001 | EP0901574A4 Submerged motor pump |
| 05/22/2001 | CA2327018A1 Chambered vane impeller molten metal pump |
| 05/16/2001 | CN2430559Y Leak-free pump |
| 05/15/2001 | US6231318 In-take fuel pump reservoir |
| 05/10/2001 | DE19952728A1 Process for recovery of highly viscous products with thixotropic properties involves immersing device equipped with pump into product, removing pump and transporting product via line |
| 05/08/2001 | US6227819 Fuel pumping assembly |
| 05/08/2001 | CA2151084C Molten metal pump support post and apparatus for removing it from a base |
| 05/01/2001 | US6224331 Centrifugal pump with solids cutting action |
| 04/26/2001 | US20010000465 Pumps for pumping molten metal |
| 04/25/2001 | CN1292471A Method for transmitting polymer |
| 04/25/2001 | CN1064922C Equipment for transporting and metering particulate material |
| 04/18/2001 | EP1092875A1 Self cleaning household pump |
| 04/18/2001 | EP1092874A2 Method for transferring easily-polymerizable substance |
| 04/18/2001 | EP1092094A1 Centrifugal pump |
| 04/12/2001 | WO2001025640A2 Centrifugal pump improvements |
| 04/10/2001 | US6213289 Multiple channel system, apparatus and method for transporting particulate material |
| 04/10/2001 | CA2126043C Centrifugal pump for pumping fibrous suspensions |
| 04/04/2001 | EP1088170A1 Pulp pump |
| 04/03/2001 | US6210105 Flow directing device for a medium consistency pump |
| 04/03/2001 | CA2168507C Pumps for pumping molten metal |
| 03/28/2001 | CN2425216Y Sand pump |
| 03/28/2001 | CN1063729C Liquid pump with degasser and interated vapor recovery function |
| 03/27/2001 | US6206659 Magnetically driven rotor for blood pump |
| 03/22/2001 | WO2001020169A1 Side channel pump |
| 03/22/2001 | WO2001020165A2 Top-flow centrifugal fluid pump |
| 03/21/2001 | CN2424314Y 特种料浆泵 Specialty slurry pumps |
| 03/21/2001 | CN1063529C Centrifugal pump |
| 03/15/2001 | WO2001017581A2 Guidable intravascular blood pump and related methods |
| 03/15/2001 | DE19943261A1 Förderpumpe Feed pump |
| 02/28/2001 | CN2421432Y Vertical mud pump |
| 02/21/2001 | CN2420446Y Chemical centrifugal pump |
| 02/21/2001 | CN1284610A Anticorrosive centrifugal pump |
| 02/20/2001 | US6190121 Centrifugal pump with solids cutting action |
| 02/14/2001 | CN2419389Y Wear-resisting ceramic sheets on fluiding surface and fixing strips therefor |
| 02/14/2001 | CN1283750A Petro-chemical electric pump |
| 02/13/2001 | US6187096 Spray assembly for molten metal |
| 02/06/2001 | US6183220 Centrifugal blood pump |
| 02/06/2001 | US6183219 Magnetic drive pump having polymeric bearings and encased magnets for pumping very low temperature fluids |
| 02/01/2001 | DE19933041A1 Pump device to remove contaminated water after natural catastrophes etc. has unchokable pump in pump housing of hydraulic plate with integral cast hydraulic section with water intake on underside and outlet on top |
| 01/31/2001 | EP0725752B1 An apparatus for transporting particulate material and a method of operating such an apparatus |
| 01/24/2001 | EP1070204A1 Molten metal impeller |
| 01/16/2001 | US6174131 Feeding hydrogen sulfide to first impeller, rotating impeller for initially compressing hydrogen sulfide, feeding hydrogen sulfide from first impeller to second impeller, rotating second impeller for further compressing the hydrogen sulfide |