Patents
Patents for F04D 7 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts (4,105)
07/2002
07/10/2002EP1012477A4 Bearing and seal-free blood pump
07/04/2002WO2001090581A3 Liquid manure pump aggregate
07/03/2002EP0677148B1 Pump impeller and centrifugal slurry pump incorporating same
06/2002
06/27/2002DE19933041C2 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
06/26/2002EP1003970A4 Improved rotor for blood pump
06/25/2002CA2235862C Pumps for pumping molten metal with a stirring action
06/18/2002US6405748 Trailer and fuel tank assembly
06/13/2002WO2001094069A3 A method of repairing a reactor coolant pump shaft and a reactor coolant pump repaired by such method
06/11/2002CA2253067C Pump impeller
06/06/2002DE10058669A1 Mikromotor Micromotor
06/05/2002EP0880651B1 Rotating machine
06/04/2002US6398525 Monolithic rotor and rigid coupling
05/2002
05/30/2002WO2002041935A1 Miniature motor
05/29/2002EP1207934A2 Guidable intravascular blood pump and related methods
05/29/2002CN2493758Y Single stage horizontal power sealed pump
05/29/2002CN2493757Y Cylinder type power sealed multi-stage pump
05/23/2002DE10057183A1 Magnetkupplungspumpe für heiße Fördermedien Magnetic drive pump for hot fluids
05/22/2002EP1207308A2 Magnetic coupling for a centrifugal pump pumping hot fluids
05/21/2002US6390768 Pump impeller and related components
05/16/2002US20020056951 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
05/14/2002CA2185176C Pump/separator apparatus for viscous liquids
05/08/2002CN2490333Y Liquified petroleum gas pump
05/02/2002EP1200735A1 Blood pump having a magnetically suspended rotor
05/02/2002EP1200168A1 Degassing centrifugal apparatus with energy recovery, process for degassing a fluid and process for producing paper or board
04/2002
04/30/2002CA2263107C Molten metal transfer pump
04/24/2002CN2487899Y Double-sucking impurity pump
04/24/2002CN2487489Y Three-phase asynchronous induction electromagnetic pump for molten metal soft hard-soldering
04/24/2002CN1083539C Vertical self-priming centrifugal pump
04/23/2002US6375422 Apparatus for pumping liquids at or below the boiling point
04/23/2002US6375414 Seal for a pump, and a pump comprising the seal
04/23/2002CA2281826C Centrifugal liquid pump with internal gas injection
04/18/2002WO2001072351A3 Ventricular assist system secondary impeller
04/16/2002US6371723 System for coupling a shaft to an outer shaft sleeve
04/11/2002WO2002028786A2 Process and apparatus for treating wastewater
04/10/2002CN1082628C Self-priming type centrigual pump
04/04/2002DE10034195C1 Dredger pump has welded sheet metal pump wheel provided with 2 discs having axially projecting blades
04/03/2002CN2484424Y Shaft-sleeve-free impeller of acid-alkali-resisting plastic pump
04/03/2002CN2484423Y Improved vertical acid-alkali-resisting pump
04/02/2002US6364930 Centrifugal separation achieving high degree of demixing; intermetallics in a galvanizing bath
03/2002
03/27/2002EP0830285B1 A fluid propulsion system for accelerating and directionally controlling a fluid
03/26/2002US6361272 Centrifugal submersible pump
03/20/2002CN2482597Y Magnetic drive corrosion resistant fluorine plastic liner pump
03/19/2002US6358000 Method of repairing a reactor coolant pump shaft and a reactor coolant pump repaired by such method
03/12/2002US6354796 Pump for moving metal in a bath of molten metal
03/06/2002EP0907759B1 Method and apparatus for removing bottom dross from molten metal
03/06/2002CN1080392C Method for controlling function of centrifugal pump and vacuum pump combination, and gas separating centrifugal pump
02/2002
02/27/2002CN2479256Y Anti-corrosive centrifugal pump
02/27/2002CN2479255Y Wear-resisting sand pump
02/20/2002CN2477878Y Evenly stirring pollution discharge pump
02/19/2002CA2063624C Impeller annular seal
02/18/2002CA2350993A1 Pump with auxiliary impeller vane inlet device
02/14/2002DE10054669C1 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
02/13/2002CN2476660Y Veritical mud pump
02/13/2002CN1335916A Method and apparatus for pumping a material and a rotor for use in connection therewith
02/12/2002US6345964 Molten metal pump with metal-transfer conduit molten metal pump
01/2002
01/31/2002WO2002008610A1 Sanitary shredder
01/31/2002CA2412597A1 Sanitary shredder
01/30/2002CN2474758Y Improved acid and alkali proof magnetic pump foot seat
01/25/2002CA2329577A1 Gas and liquid pump
01/23/2002CN1078316C Wear-resisting anticorrosive efficiency pump
01/09/2002EP1169550A2 Pump assembly and related components
01/09/2002EP0961852B1 Pump for fibrous pulp suspension with means for separating gas from the suspension
01/09/2002CN2470587Y Low-wear slag-slurry pump
01/09/2002CN2470583Y Improved acid-base-resisting vertical pump
01/02/2002EP1152963A4 Multiple channel system, apparatus and method for transporting particulate material
01/02/2002CN2469420Y Hand process instrument tester
01/02/2002CN2469224Y Composite sealing type mud pump
01/02/2002CN1329698A Improvements relating to froth pumps
01/02/2002CN1077059C Fluid propulsion system for accelerating and directionally controlling fluid
12/2001
12/27/2001WO2001098667A1 Drainage pump
12/18/2001US6330915 Protection of downwell pumps from sand entrained in pumped fluids
12/13/2001WO2001094069A2 A method of repairing a reactor coolant pump shaft and a reactor coolant pump repaired by such method
12/11/2001US6328541 Thermal barrier and reactor coolant pump incorporating the same
12/05/2001EP0701528B1 Rotary disk pump for particulate matrials with grooved conveyor disks
11/2001
11/29/2001WO2001090581A2 Liquid manure pump aggregate
11/28/2001EP1157601A1 Pump unit
11/28/2001EP0830511B1 Method of controlling the function of a centrifugal pump and vacuum pump combination, and a gas-separating centrifugal pump
11/28/2001CN2462111Y One-stage double-sucking two-end supporting and dual-shell oil mud pump
11/28/2001CN1075604C Pump and processes for mfg. same
11/21/2001EP1155956A2 A fluid propulsion system for accelerating and directionally controlling a fluid
11/21/2001CN2460755Y High-temp. bitumen pump
11/21/2001CN1322902A Concrete pump
11/20/2001US6319408 Drawing waste from septic tank into distiller; returning residue
11/15/2001US20010041140 Pump system with vacuum source
11/14/2001EP1152963A1 Multiple channel system, apparatus and method for transporting particulate material
11/14/2001CN1074817C Isolation sleeve for magnetic pump and its producing technology
11/13/2001US6315524 Pump system with vacuum source
11/07/2001CN1321224A Feed pump
11/06/2001US6312228 Recovery pump for recovering floating oil
10/2001
10/31/2001CN2457371Y Automatic stirring and mixing pollution discharge pump
10/30/2001US6309181 Fluid flow machine wheel and uses thereof
10/25/2001WO2000057056A9 Pump assembly and related components
10/24/2001EP1147316A1 Method and apparatus for pumping a material and a rotor for use in connection therewith
10/23/2001US6306338 Melt withdrawal device for melt furnaces for charging casting machines
10/18/2001US20010031210 Blood pump having a magnetically suspended rotor
10/17/2001EP1144869A1 Apparatus and method for mixing drill cuttings in a tank and transferring them therefrom
10/16/2001US6302661 Electromagnetically suspended and rotated centrifugal pumping apparatus and method
10/11/2001US20010028846 Molten metal impeller
10/11/2001US20010028843 Impeller for circumferential current pump
10/11/2001DE10111990A1 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
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