| 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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| 09/27/2006 | EP1705380A1 A slurry pump |
| 09/27/2006 | CN2821238Y Ceramic lining pump combined piece |
| 09/27/2006 | CN1837625A Vortex extension type double-blade sewage pump |
| 09/27/2006 | CN1837623A Vertical submerged centrifugal pump for electroplating machine |
| 09/20/2006 | EP1198686B1 Mixing valve |
| 09/20/2006 | CN2818863Y Special pump for seawater cultivation |
| 09/13/2006 | CN2816438Y Centrifugal mud-sand water pump |
| 09/13/2006 | CN2816431Y Centrifugal sand-mud pump |
| 09/13/2006 | CN2816430Y Rear-feeding impurity pump |
| 09/13/2006 | CN1831342A Pump with sealing device having washing function |
| 09/06/2006 | CN1828063A High temperature high pressure hot-water circulating pump |
| 09/06/2006 | CN1828062A Pump with polytetrafluoroethylene or F46 inner coating and method for processing the coating |
| 08/30/2006 | CN2811626Y Steel plate type sand pump |
| 08/30/2006 | CN1826469A Impeller and cutting elements for centrifugal chopper pumps |
| 08/30/2006 | CN1826274A Bulk material pump feeder |
| 08/23/2006 | EP1692400A2 Improved impeller and wear plate |
| 08/23/2006 | EP1692397A1 Centrifugal pump |
| 08/23/2006 | CN2809295Y Vertical slurry pump |
| 08/23/2006 | CN2809294Y Molten salt pump |
| 08/23/2006 | CN2809288Y Pump dedicated for feeding of filter press |
| 08/17/2006 | US20060183962 Artificial cardiac pump |
| 08/17/2006 | DE102006002313A1 Protective pot for fixing to the opening of a suction tube of a lubricant pump for machine tools comprises a closed base, a closed peripheral wall and a suction window arranged at a distance from the base |
| 08/16/2006 | EP1689529A2 Two stage sewage grinder pump |
| 08/16/2006 | CN2806839Y High efficiency slurry chemical pump |
| 08/16/2006 | CN2806836Y Automatic on-off pipeline pump |
| 08/16/2006 | CN1270101C Assembled mechanical sealer of impurity pump |
| 08/10/2006 | WO2006081696A1 A method of and an apparatus for feeding gaseous or liquid fluid into a medium |
| 08/10/2006 | DE102005004887A1 Arrangement for suction of gases from rotary pump and comprising ventilation pump as well as suction channels that interconnect the rotary and ventilation pumps |
| 08/10/2006 | CA2596447A1 A method of and an apparatus for feeding gaseous or liquid fluid into a medium |
| 08/09/2006 | CN2804447Y Hot panel cooling mechanism for coal slurry pump |
| 08/09/2006 | CN2804443Y Chemical underwater shielded electrical pump |
| 08/09/2006 | CN2804442Y Improved one-stage double-sucking centrifugal pump |
| 08/09/2006 | CN1815035A Vertical disintegratable self-suction dredge pump |
| 08/08/2006 | USRE39228 Field-serviceable solids-handling vertical turbine pump |
| 08/02/2006 | CN2802135Y Wear-resisting impeller compounded by nano-structure metal screen-polyurethane |
| 08/02/2006 | CN2802134Y Wear-reisting impeller of three-composite |
| 08/02/2006 | CN2802102Y Flow passage components of slag slurry pump |
| 08/02/2006 | CN1812840A Pump impeller and chopper plate for a centrifugal pump |
| 08/01/2006 | CA2535086A1 Rotor for viscous or abrasive fluids |
| 07/26/2006 | CN2799930Y Full-closed rotary internal cooling system for externally equipped mechanical seal |
| 07/25/2006 | US7080797 Pump impeller and chopper plate for a centrifugal pump |
| 07/25/2006 | US7080546 Secondary containment leak prevention and detection system and method |
| 07/20/2006 | US20060157322 Bulk material pump feeder with reduced disk jamming |
| 07/19/2006 | CN2797703Y Novel glazed coating pump |
| 07/19/2006 | CN2797702Y Flow passing through parts of coal slurry pump |
| 07/19/2006 | CN2797691Y Permanent-magnetic, synchronization shielding, two-stage self-priming centrifugal pipeline pump |
| 07/19/2006 | CN2797690Y Novel equipment for pumping concrete |
| 07/19/2006 | CN1805809A Device for supplying casting installations with molten metal |
| 07/19/2006 | CN1804401A Food pump molded by punching and welding |
| 07/18/2006 | US7077954 Apparatus and method for recirculating machine tool coolant and removing ferrous debris therefrom |
| 07/13/2006 | DE202005003318U1 Pump-tank trailer with centrifugal pump for handling liquids has slide valve in centrifugal pump line and in bypass to piston pump |
| 07/06/2006 | DE112004001365T5 Mechanismus zur Einstellung in Axialrichtung von Häckslerpumpenzwischenräumen The adjustment mechanism in the axial direction of chopper pumps spaces |
| 07/06/2006 | DE102004061366A1 Explosionsschutz für ein nichtelektrisches Gerät Explosion protection for a non-electrical device |
| 07/05/2006 | CN2793373Y Vertical slag slurry pump |
| 07/05/2006 | CN1262766C Pump device and method for generating adjustable constant fluid volume flow and its application |
| 07/04/2006 | US7070388 Inducer with shrouded rotor for high speed applications |
| 06/29/2006 | WO2006066388A1 Improved pump and method |
| 06/29/2006 | DE19737885B4 Kreiselpumpe zur Erzeugung eines Wasser-Luft-Gemisches Centrifugal pump for generating a water-air mixture |
| 06/29/2006 | CA2591769A1 Improved pump and method |
| 06/28/2006 | EP1019635B1 Molten metal pump with monolithic rotor |
| 06/28/2006 | CN2791308Y Double-suction front-back-circulation sand pump group |
| 06/28/2006 | CN2791307Y Sugar juice pump |
| 06/28/2006 | CN1261700C Bearing for fuel pump and fuel pump |
| 06/27/2006 | US7066709 Wind driven power generating system |
| 06/21/2006 | EP1671033A2 Pump |
| 06/21/2006 | CN2789474Y Booster rotary spraying pump |
| 06/21/2006 | CN2789473Y Back aspirating non-leakaging chemical centrifugal pump |
| 06/21/2006 | CN2789465Y Counterflow liquid bottom pump added with hydrodynamic and hydrostatic bearing |
| 06/21/2006 | CN2789464Y Water inlet up moving counter-flow liquid bottom pump |
| 06/21/2006 | CN2789463Y Pipeline type rotary spraying pump |
| 06/15/2006 | US20060127211 Pump impeller |
| 06/14/2006 | CN2787891Y Improved centrifugal sand pump |
| 06/14/2006 | CN2787890Y 离心泥沙泵 Centrifugal sand pump |
| 06/08/2006 | WO2006058605A1 Pump with cutting impeller |
| 06/08/2006 | CA2587651A1 Pump with cutting impeller |
| 06/07/2006 | CN1784548A Improved pump impeller |
| 06/07/2006 | CN1258486C Process and apparatus for treating waste water |
| 06/06/2006 | US7055376 Method and a pump apparatus for the generation of an adjustable, substantially constant volume flow of a fluid and a use of this method |
| 06/02/2006 | CA2528757A1 Gas mixing and dispersement in pumps for pumping molten metal |
| 05/31/2006 | EP1660778A1 Pump housing assembly with liner |
| 05/31/2006 | CN2784635Y Low pulse paper pulp pump |
| 05/31/2006 | CN2784634Y Under water pump with slim shaft |
| 05/31/2006 | CN2784633Y Novel balance bush of multistage centrifugal pump |
| 05/31/2006 | CN2784625Y Improved hot-water circulating pump |
| 05/30/2006 | US7051576 Secondary containment leak prevention and detection system and method |
| 05/25/2006 | US20060110261 Pump system with vacuum source |
| 05/24/2006 | CN2783008Y Centrifugal pump for chemical industry |
| 05/24/2006 | CN2783002Y Vertical disintegrated self-suction dirt exhausting pump |
| 05/24/2006 | CN2783001Y Self-scution cut high-efficient sturff pump |
| 05/24/2006 | CN2783000Y Self-suction cut high-efficient sutff pump |
| 05/24/2006 | CN2782994Y Gear type pneumatic sand and dirt exhausting submerged pump |
| 05/24/2006 | CN2782993Y 锡泵浦 Tin pump |
| 05/18/2006 | DE102004058458B3 Pump with axial impeller e.g. for pump, has screw-shaped wings for sucking in liquid by inlet port arranged at lower surface of axial impeller with wings at lower surface have cutting edge |
| 05/17/2006 | CN2781037Y 改进型卧式化工泵 Improved horizontal chemical pump |
| 05/16/2006 | US7044288 Bulk material pump feeder with reduced disk jamming |
| 05/10/2006 | EP1654174A1 Bulk material pump feeder |
| 05/10/2006 | EP1480735B1 Sealed impeller for producing metal foam and system |
| 05/10/2006 | CN2779125Y Centrifugal coal slurry pump with medium for filtering high impurity |
| 05/10/2006 | CN2779124Y Self-absorbing type highly effective stuff pump with cutting function |
| 05/10/2006 | CN1769713A Double impeller pump |