Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04D - Non-positive-displacement pumps › F04D 7 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
Patents for F04D 7 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts (4,105)
10/2003
10/29/2003CN1125923C Feed pump
10/23/2003WO2003087580A1 Bulk material pump feeder
10/15/2003EP0897476B1 Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
10/09/2003US20030190198 Bulk material pump feeder
10/08/2003CN2578570Y Chemical centrifugal pumps
10/08/2003CN2578569Y Wearproof pumps
10/08/2003CN1447037A Bearing for fuel pump, its mfg. method and fuel pump
10/08/2003CN1123700C Centrifugal froth pumps and impeller switable for same
10/02/2003US20030185694 Bearing for fuel pump, method of manufacturing the same, and fuel pump
10/02/2003US20030185679 Pump for molten materials with suspended solids
10/01/2003EP1348516A2 Apparatus and mehtod for recirculating machine tool coolant and removing ferrous debris therefrom
09/2003
09/30/2003US6627174 Stable transport of liquid/gas dispersions
09/25/2003WO2003078844A2 Pump system with vacuum source
09/25/2003CA2479435A1 Pump system with vacuum source
09/24/2003CN1444701A Sanitary shredder
09/23/2003US6623475 Blood pump without bearing
09/22/2003CA2423035A1 Apparatus and method for recirculating machine tool coolant and removing ferrous debris therefrom
09/18/2003US20030175119 Centrifugal pump
09/17/2003EP1344944A1 Centrifugal pump with crushing device
09/17/2003EP1344541A2 Centrifugal pump
09/16/2003US6619910 Froth pumps
09/12/2003WO2003074881A1 Fluid feed device, and tire vulcanizing equipment using the fluid feed device
09/11/2003WO2003074163A1 Sealed impeller for producing metal foam and system and method therefor
09/10/2003EP1341568A1 Miniature motor
09/03/2003CN2570501Y Anti-corrosion and wear-resisting centrifugal pump
08/2003
08/28/2003WO2003070299A1 Implantable heart assist system
08/28/2003CA2785934A1 Implantable heart assist system
08/27/2003EP1337478A2 Process and apparatus for treating wastewater
08/27/2003CN2568857Y Improved antiwear centrifugal pump
08/27/2003CN2568853Y Verticle macro axis iron scale pump
08/27/2003CN2568847Y Rubber lining device of mud pump
08/27/2003CN2568846Y Submerged mud pump
08/26/2003US6610004 Implantable heart assist system and method of applying same
08/20/2003EP1125063B1 Centrifugal pump with compensator
08/20/2003CA2659492A1 Electric submersible pump with specialized geometry for pumping viscous crude oil
08/13/2003EP1335134A1 Motor and its blade unit
08/13/2003EP1235983A4 Electromagnetically suspended and rotated centrifugal pumping apparatus and method
08/13/2003CN1435274A Stirring heat transfer device
08/07/2003US20030147760 Motor and its blade unit
08/07/2003US20030147744 Molten metal pump particle passage system
07/2003
07/30/2003EP1331017A2 Centrifugal fluid pump assembly
07/29/2003US6599086 Adjustable pump wear plate positioning assembly
07/24/2003US20030136553 Thermal protection shield for a rotating shaft
07/22/2003US6595762 Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
07/16/2003EP1327781A2 Self-priming centrifugal pump
07/16/2003EP1327780A1 Method and system for pumping liquified construction materials
07/16/2003CN2560774Y Corrosion-resisting tubular underwater pump
07/01/2003US6585492 Pump system with vacuum source
07/01/2003CA2234809C Air purging circulator
06/2003
06/26/2003WO2003052274A1 Method and device for transporting a flowable building material
06/26/2003US20030118439 Fuel pump
06/26/2003CA2470340A1 Method and device for transporting a flowable building material
06/24/2003US6582191 Liner for centrifugal slurry pumps
06/24/2003CA2222812C Molten metal impeller
06/18/2003EP0834021B1 Impeller for molten metal pumps
06/11/2003EP1144869B1 Apparatus and method for mixing drill cuttings in a tank and transferring them therefrom
06/11/2003EP0880631B1 Material outfeeding device for vehicles
06/11/2003CN2555432Y Pulp pump
06/04/2003CN2554397Y Magnetic drive pump for transmitting high-temp medium
06/04/2003CN2554395Y Automatic rotational flow concentrated phase material double sleeving transporting pump equipment
06/04/2003CN2554394Y Mud pump casing arch bond combined abrasion-resistance lining board
05/2003
05/28/2003EP1314895A1 Thermal barrier for rotating shaft
05/21/2003CN2551790Y Combined sealer for sand digging pump
05/21/2003CN1109158C Method and device for pumping medium
05/20/2003US6564874 Technique for facilitating the pumping of fluids by lowering fluid viscosity
05/14/2003CN1108457C Pump vane
05/08/2003US20030088147 Implantable heart assist system and method of applying same
05/07/2003CN2549236Y Integrated separating and cooling liquid circulating pump
05/07/2003CN2549215Y 离心泵 Centrifugal
05/07/2003CN2549214Y Glazed pump
05/06/2003US6558139 Bearings with hardened rolling elements and polymeric cages for use submerged in very low temperature fluids
05/01/2003WO2003036097A1 Pump for conveying fluids and mixtures of fluids
05/01/2003WO2003036095A2 Impeller system for molten metal pumps
05/01/2003US20030082052 Impeller system for molten metal pumps
04/2003
04/30/2003CN2547920Y Self-suction mud pump
04/24/2003US20030075870 Shaft sealing arrangement for a pump for delivering hot fluids
04/24/2003US20030075844 Shaft and post assemblies for molten metal apparatus
04/23/2003EP1304485A1 Pump seal for a pump pumping hot fluids
04/23/2003EP1303703A1 Sanitary shredder
04/23/2003CN2546671Y Internal turbulence efficient energy-saving mud pump
04/23/2003CN2546668Y Shield pump for transferring media containing particles
04/23/2003CN2546656Y Vertical acid and alkali-proof pump connected with special outlet and inlet
04/23/2003CN1106505C Axial conveyor and loop reactor containing said axial conveyor
04/23/2003CN1106333C Multiple channel system, apparatus and method for transporting particulates material
04/22/2003US6551060 Pump for molten materials with suspended solids
04/22/2003US6551054 Method and apparatus for pumping a material and a rotor for use in connection therewith
04/17/2003US20030072650 Centrifugal pump
04/09/2003EP1300594A1 Centrifugal slurry pump
04/09/2003CN2544120Y Automatic suction mud pump
04/09/2003CN1409017A Wear-resistant centrifugal pump and forming method and lining mold
04/02/2003CN1407241A Pump device and method for generating adjustable constant fluid volume flow and its application
04/01/2003CA2034332C Drive system for impeller shafts
03/2003
03/27/2003US20030059302 Pump for molten materials with suspended solids
03/26/2003EP1296062A1 Centrifugal pump
03/26/2003CN2541638Y Jib liquid submersible pump
03/26/2003CN2541631Y Monostage centrifugal pump body for petroleum drilling slurry
03/19/2003EP1293680A1 Drainage pump
03/18/2003US6533535 Molten metal pump with protected inlet
03/13/2003WO2002028786A3 Process and apparatus for treating wastewater
03/12/2003EP1289358A2 Pump aggregate
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