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)
08/2005
08/25/2005WO2005078286A1 Cutting tool pertaining to a centrifugal pump
08/25/2005DE102004007739A1 Cutting tool for centrifugal pump, has convex lateral surface located opposite concave fixed counter surface
08/24/2005CN1657785A Double-runner centrifugal pump for transfering submarine mineral substance
08/23/2005US6932562 Single stage, dual channel turbine fuel pump
08/18/2005US20050179208 Shaft sealing arrangement for a pump for delivering hot fluids
08/17/2005CN2718287Y Middle concentration machinable pulp pump
08/17/2005CN2718273Y 清淤泵 Dredging pump
08/17/2005CN2718272Y Vertical mud pump
08/17/2005CN1654825A Axial-flow pump
08/17/2005CN1654824A Circumferential flow pump
08/16/2005CA2214763C Pump for conveying hot media
08/11/2005WO2005073514A1 Casing for a centrifugal pump
08/11/2005US20050175450 Axial-flow pump
08/11/2005US20050175443 Circumferential flow pump
08/11/2005DE19964238B4 Electric motor operated, vaned impeller fuel pump for motor vehicle
08/10/2005EP1561036A2 Molten metal pump impeller system
08/10/2005CN2716556Y Slurry pump
08/10/2005CN2716550Y Separating sand pump
08/10/2005CN2716549Y High lift wear free slurry pump set
08/04/2005WO2004065796A8 Non-chokable pump
08/03/2005CN2714856Y Inlet valve gear of bittern transfer pump
08/03/2005CN1648461A Nano structure metal screen-polyurethane composite anti-wear impeller and its preparing process
08/03/2005CN1648459A Plastic magnetic force pump
07/2005
07/28/2005WO2005035447A3 Two stage sewage grinder pump
07/28/2005US20050163611 Casing for a centrifugal pump
07/28/2005US20050163605 Fuel pump received in housing
07/27/2005EP1303703B1 Sanitary shredder
07/27/2005CN2713194Y Hydraulic system for concrete pump
07/27/2005CN2713186Y Dreg slurry pump
07/27/2005CN2713178Y Connecting device for fused salt pump
07/27/2005CN1646813A Bulk material pump feeder
07/27/2005CN1644929A Fuel pump received in housing
07/21/2005DE10361052A1 Radial pump e.g. for dispersion production, has housing having axle with concentric inlet and housing is coaxial towards side of inlet open pump chamber with side of inlet continuing into internal wall
07/20/2005CN2711430Y Energy-saving type condensated water recovery pump
07/20/2005CN2711423Y Double end face mechanical sealing for axle of inpurity slime pump
07/20/2005CN2711422Y Seal mechanism for hydrocarbon like medium conveying pump
07/19/2005US6918741 Molten metal pump impeller system
07/13/2005CN1638853A Sealed impeller for producing metal foam and system and method therefor
07/13/2005CN1210497C Hydroturbine parts of hydraulic turbine and manufacture the same thereof
07/12/2005US6916152 Centrifugal sewage pumps with two impellers
07/07/2005US20050145016 Secondary containment leak prevention and detection system and method
07/07/2005US20050145015 Secondary containment leak prevention and detection system and method
07/05/2005CA2197259C Molten metal shaft and impeller bearing assembly
06/2005
06/29/2005CN2706606Y Vertical acid and alkali-resistance pump body structure
06/23/2005WO2005035979A3 Pump
06/23/2005DE10353829A1 Centrifugal pump for mixing a washing liquid with a polycarbonate solution incorporates stream breaking elements located on the impeller and/or on the pressure lid
06/21/2005US6908280 Blood pump
06/16/2005US20050129502 Impeller for molten metal pump with reduced clogging
06/15/2005EP1267959B1 Ventricular assist system with secondary impeller
06/15/2005CN2704710Y Alkaline pumps
06/15/2005CN1626832A Spiral type hogwash pump in negative pressure
06/14/2005CA2179729C Apparatus and process for pumping and separating a mixture of gas and liquid
06/09/2005WO2005052365A2 Pump design for circulating supercritical carbon dioxide
06/09/2005US20050123425 Apparatus and method for draining reservoirs
06/08/2005EP1537044A2 Fuel leak detection device for a fuel dispenser
06/08/2005CN2703904Y Magnetic driving pump axis structural assembly
06/02/2005WO2005050024A1 Multiple diverter for reducing wear in a slurry pump
06/01/2005CN2703148Y Conical single-screw pump
06/01/2005CN2703147Y Gas-liquid separating self-priming device
05/2005
05/26/2005US20050112003 Pump design for circulating supercritical carbon dioxide
05/25/2005CN2702092Y Fused salt pump
05/25/2005CN1619154A Slag pulp filter pressing pump
05/19/2005WO2005045254A2 Improved impeller and wear plate
05/12/2005US20050100440 Pump for molten materials with suspended solids
05/11/2005CN2699025Y Spiral pump
05/11/2005CN2699023Y Improved centrifugal pump self-balancing mechanical seal
05/11/2005CN2699022Y Improved shaft seal device for impurity slurry pump
05/05/2005US20050095124 Impeller and wear plate
05/04/2005CN1200180C Remover for sand and soil
05/03/2005US6887425 Shaft and post assemblies for molten metal apparatus
04/2005
04/28/2005WO2005038260A1 Centrifugal pump
04/28/2005WO2004040142A8 Molten metal pump system
04/27/2005CN2695690Y Ceramic pump flow passage components
04/27/2005CN2695678Y Rotation sand pump
04/27/2005CN1609458A Double-priming centrifugal pump
04/21/2005WO2005035979A2 Pump
04/21/2005WO2005035447A2 Two stage sewage grinder pump
04/19/2005US6881030 Impeller for molten metal pump with reduced clogging
04/19/2005US6881028 Pumping device
04/13/2005EP1522735A2 Shaft and post assemblies for molten metal pumping apparatus
04/13/2005EP1522734A1 Method to operate a lifting equipment to pump contaminated liquids, in particular cooling lubricant
04/07/2005WO2005008067A3 Impeller and cutting elements for centrifugal chopper pumps
04/06/2005EP1520108A1 Method for conveying a liquid f containing at least one (meth)acrylic monomer
04/06/2005CN2690629Y High temperature high pressure hot water circulation pump device
04/05/2005CA2170272C Transporting and metering particulate material
03/2005
03/31/2005US20050069435 Fuel pump
03/31/2005US20050069434 Submerged pump having a bearing lubricated by discharged fluid
03/30/2005EP1519053A2 A submerged pump having a bearing lubricated by discharged fluid
03/30/2005EP1012477B1 Bearing and seal-free blood pump
03/30/2005CN2688939Y Centrifugal pump of long shaft sleeve impeller
03/29/2005CA2250490C System for feeding a suspension to a pressurized vessel
03/24/2005WO2004040142A3 Molten metal pump system
03/24/2005US20050063843 Submersible pump
03/22/2005US6869564 Molten metal pump system
03/22/2005US6869271 Molten metal pump system
03/17/2005WO2005024243A1 Pump housing assembly with liner
03/16/2005EP1129295B1 Shaft and post assemblies for molten metal pumping apparatus
03/16/2005CN2685615Y Self-suction non-plugging blowoff unit contruction pump
03/16/2005CN1193172C Drainage pump for condensated water
03/16/2005CN1193169C Sanitary shredder
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