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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07/10/2002 | EP1012477A4 Bearing and seal-free blood pump |
07/04/2002 | WO2001090581A3 Liquid manure pump aggregate |
07/03/2002 | EP0677148B1 Pump impeller and centrifugal slurry pump incorporating same |
06/27/2002 | DE19933041C2 Freistrompumpe zum Abpumpen von verschmutzten Wassermengen oder Fluidansammlungen im Katastrophenfall Free-flow pump for pumping contaminated water or fluid accumulation amounts in case of disaster |
06/26/2002 | EP1003970A4 Improved rotor for blood pump |
06/25/2002 | CA2235862C Pumps for pumping molten metal with a stirring action |
06/18/2002 | US6405748 Trailer and fuel tank assembly |
06/13/2002 | WO2001094069A3 A method of repairing a reactor coolant pump shaft and a reactor coolant pump repaired by such method |
06/11/2002 | CA2253067C Pump impeller |
06/06/2002 | DE10058669A1 Mikromotor Micromotor |
06/05/2002 | EP0880651B1 Rotating machine |
06/04/2002 | US6398525 Monolithic rotor and rigid coupling |
05/30/2002 | WO2002041935A1 Miniature motor |
05/29/2002 | EP1207934A2 Guidable intravascular blood pump and related methods |
05/29/2002 | CN2493758Y Single stage horizontal power sealed pump |
05/29/2002 | CN2493757Y Cylinder type power sealed multi-stage pump |
05/23/2002 | DE10057183A1 Magnetkupplungspumpe für heiße Fördermedien Magnetic drive pump for hot fluids |
05/22/2002 | EP1207308A2 Magnetic coupling for a centrifugal pump pumping hot fluids |
05/21/2002 | US6390768 Pump impeller and related components |
05/16/2002 | US20020056951 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 |
05/14/2002 | CA2185176C Pump/separator apparatus for viscous liquids |
05/08/2002 | CN2490333Y Liquified petroleum gas pump |
05/02/2002 | EP1200735A1 Blood pump having a magnetically suspended rotor |
05/02/2002 | EP1200168A1 Degassing centrifugal apparatus with energy recovery, process for degassing a fluid and process for producing paper or board |
04/30/2002 | CA2263107C Molten metal transfer pump |
04/24/2002 | CN2487899Y Double-sucking impurity pump |
04/24/2002 | CN2487489Y Three-phase asynchronous induction electromagnetic pump for molten metal soft hard-soldering |
04/24/2002 | CN1083539C Vertical self-priming centrifugal pump |
04/23/2002 | US6375422 Apparatus for pumping liquids at or below the boiling point |
04/23/2002 | US6375414 Seal for a pump, and a pump comprising the seal |
04/23/2002 | CA2281826C Centrifugal liquid pump with internal gas injection |
04/18/2002 | WO2001072351A3 Ventricular assist system secondary impeller |
04/16/2002 | US6371723 System for coupling a shaft to an outer shaft sleeve |
04/11/2002 | WO2002028786A2 Process and apparatus for treating wastewater |
04/10/2002 | CN1082628C Self-priming type centrigual pump |
04/04/2002 | DE10034195C1 Dredger pump has welded sheet metal pump wheel provided with 2 discs having axially projecting blades |
04/03/2002 | CN2484424Y Shaft-sleeve-free impeller of acid-alkali-resisting plastic pump |
04/03/2002 | CN2484423Y Improved vertical acid-alkali-resisting pump |
04/02/2002 | US6364930 Centrifugal separation achieving high degree of demixing; intermetallics in a galvanizing bath |
03/27/2002 | EP0830285B1 A fluid propulsion system for accelerating and directionally controlling a fluid |
03/26/2002 | US6361272 Centrifugal submersible pump |
03/20/2002 | CN2482597Y Magnetic drive corrosion resistant fluorine plastic liner pump |
03/19/2002 | US6358000 Method of repairing a reactor coolant pump shaft and a reactor coolant pump repaired by such method |
03/12/2002 | US6354796 Pump for moving metal in a bath of molten metal |
03/06/2002 | EP0907759B1 Method and apparatus for removing bottom dross from molten metal |
03/06/2002 | CN1080392C Method for controlling function of centrifugal pump and vacuum pump combination, and gas separating centrifugal pump |
02/27/2002 | CN2479256Y Anti-corrosive centrifugal pump |
02/27/2002 | CN2479255Y Wear-resisting sand pump |
02/20/2002 | CN2477878Y Evenly stirring pollution discharge pump |
02/19/2002 | CA2063624C Impeller annular seal |
02/18/2002 | CA2350993A1 Pump with auxiliary impeller vane inlet device |
02/14/2002 | DE10054669C1 Centrifugal pump, to transport coarsely dispersed solid and fluid mixture, has hollow impeller with inner pipe and annular chambers branching laterally from inner pipe and opening into exit channel |
02/13/2002 | CN2476660Y Veritical mud pump |
02/13/2002 | CN1335916A Method and apparatus for pumping a material and a rotor for use in connection therewith |
02/12/2002 | US6345964 Molten metal pump with metal-transfer conduit molten metal pump |
01/31/2002 | WO2002008610A1 Sanitary shredder |
01/31/2002 | CA2412597A1 Sanitary shredder |
01/30/2002 | CN2474758Y Improved acid and alkali proof magnetic pump foot seat |
01/25/2002 | CA2329577A1 Gas and liquid pump |
01/23/2002 | CN1078316C Wear-resisting anticorrosive efficiency pump |
01/09/2002 | EP1169550A2 Pump assembly and related components |
01/09/2002 | EP0961852B1 Pump for fibrous pulp suspension with means for separating gas from the suspension |
01/09/2002 | CN2470587Y Low-wear slag-slurry pump |
01/09/2002 | CN2470583Y Improved acid-base-resisting vertical pump |
01/02/2002 | EP1152963A4 Multiple channel system, apparatus and method for transporting particulate material |
01/02/2002 | CN2469420Y Hand process instrument tester |
01/02/2002 | CN2469224Y Composite sealing type mud pump |
01/02/2002 | CN1329698A Improvements relating to froth pumps |
01/02/2002 | CN1077059C Fluid propulsion system for accelerating and directionally controlling fluid |
12/27/2001 | WO2001098667A1 Drainage pump |
12/18/2001 | US6330915 Protection of downwell pumps from sand entrained in pumped fluids |
12/13/2001 | WO2001094069A2 A method of repairing a reactor coolant pump shaft and a reactor coolant pump repaired by such method |
12/11/2001 | US6328541 Thermal barrier and reactor coolant pump incorporating the same |
12/05/2001 | EP0701528B1 Rotary disk pump for particulate matrials with grooved conveyor disks |
11/29/2001 | WO2001090581A2 Liquid manure pump aggregate |
11/28/2001 | EP1157601A1 Pump unit |
11/28/2001 | EP0830511B1 Method of controlling the function of a centrifugal pump and vacuum pump combination, and a gas-separating centrifugal pump |
11/28/2001 | CN2462111Y One-stage double-sucking two-end supporting and dual-shell oil mud pump |
11/28/2001 | CN1075604C Pump and processes for mfg. same |
11/21/2001 | EP1155956A2 A fluid propulsion system for accelerating and directionally controlling a fluid |
11/21/2001 | CN2460755Y High-temp. bitumen pump |
11/21/2001 | CN1322902A Concrete pump |
11/20/2001 | US6319408 Drawing waste from septic tank into distiller; returning residue |
11/15/2001 | US20010041140 Pump system with vacuum source |
11/14/2001 | EP1152963A1 Multiple channel system, apparatus and method for transporting particulate material |
11/14/2001 | CN1074817C Isolation sleeve for magnetic pump and its producing technology |
11/13/2001 | US6315524 Pump system with vacuum source |
11/07/2001 | CN1321224A Feed pump |
11/06/2001 | US6312228 Recovery pump for recovering floating oil |
10/31/2001 | CN2457371Y Automatic stirring and mixing pollution discharge pump |
10/30/2001 | US6309181 Fluid flow machine wheel and uses thereof |
10/25/2001 | WO2000057056A9 Pump assembly and related components |
10/24/2001 | EP1147316A1 Method and apparatus for pumping a material and a rotor for use in connection therewith |
10/23/2001 | US6306338 Melt withdrawal device for melt furnaces for charging casting machines |
10/18/2001 | US20010031210 Blood pump having a magnetically suspended rotor |
10/17/2001 | EP1144869A1 Apparatus and method for mixing drill cuttings in a tank and transferring them therefrom |
10/16/2001 | US6302661 Electromagnetically suspended and rotated centrifugal pumping apparatus and method |
10/11/2001 | US20010028846 Molten metal impeller |
10/11/2001 | US20010028843 Impeller for circumferential current pump |
10/11/2001 | DE10111990A1 Fuel pump assembly for engine, aligns exhaust port in housing of fuel pump module with tangential flow of fuel from exit passage of pumping channel so that fuel exits pumping channel relatively unimpeded |