| 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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| 06/22/2011 | CN101326372B Impeller of a pump unit and corresponding pump unit |
| 06/15/2011 | CN102099585A Improvements relating to centrifugal pump impellers |
| 06/15/2011 | CN102099584A Centrifugal pump impeller and centrifugal pump |
| 06/15/2011 | CN102094831A Machine for sucking and discharging high-temperature and high-corrosion materials |
| 06/15/2011 | CN102094830A External circulation water cooled centrifugal pump |
| 06/15/2011 | CN102094829A Chemical crystallization centrifugal pump |
| 06/09/2011 | DE102009047446A1 Pump, particularly evacuation pump, for liquid-bearing domestic appliances, has pump housing, in which impeller is supported around rotation axis under rotary connection of hub with shaft of electric motor |
| 06/08/2011 | CN201858184U Heavy type slurry pump bearing housing |
| 06/01/2011 | DE102009021659B4 Pumpe Pump |
| 05/25/2011 | EP2324250A1 Improvements relating to pump seal assemblies |
| 05/25/2011 | CN201843789U High-temperature sludge oil pump used for directly liquefying coals |
| 05/25/2011 | CN102072163A Acid pump |
| 05/24/2011 | CA2656658C Staged centrifugal pump apparatus for pumping a viscous fluid |
| 05/19/2011 | WO2011058034A1 Intermediate floor for a radial turbine engine |
| 05/19/2011 | DE102009022916B4 Magnetkupplung sowie Spalttopf für eine Magnetkupplung Magnetic coupling and gap pot for a magnetic coupling |
| 05/18/2011 | CN201836059U Turbulent medium-consistency stuff pump with variable helical angles |
| 05/18/2011 | CN201836058U Vortex non-clogging pump |
| 05/18/2011 | CN102066769A Improvements relating to pump seal assemblies |
| 05/18/2011 | CN102066764A Liner coupling pin |
| 05/18/2011 | CN102062107A Multi-stage axial flow submerged pump with long shaft and method for conveying phosgene |
| 05/12/2011 | WO2011056137A1 System and method for the pumped feed of chips to a continuous digester |
| 05/11/2011 | EP2320087A1 Pump body for open impeller centrifugal pumps installed in a longitudinal position and fitted with an air vent pipe |
| 05/11/2011 | CN201827090U Corrosion-resistant all-plastic glandless vertical submerged pump |
| 05/11/2011 | CN201827089U Overall plastic horizontal centrifugal pump with high performance and corrosion resistance |
| 05/11/2011 | CN201827088U Novel blow-down pump of self-shredding device for high viscosity solid medium |
| 05/11/2011 | CN102057165A Pump casing |
| 05/04/2011 | EP2315949A1 A pump housing support |
| 05/04/2011 | EP2315948A1 An adjustable side liner for a pump |
| 05/04/2011 | EP2315947A1 Liner coupling pin |
| 05/04/2011 | CN201818504U Novel self-grinding blow-down pump |
| 05/04/2011 | CN102042263A Double-disc straight blade impeller for subsea mud lift pump |
| 05/04/2011 | CN102042256A Slurry pump protecting plate and pump case sealing device |
| 05/04/2011 | CN102042236A Sewage pump capable of automatically crushing high viscosity solid medium |
| 05/04/2011 | CN102042235A Slurry pump |
| 05/03/2011 | CA2541927C Centrifugal pump |
| 04/27/2011 | CN201810561U Dredge pump for crushing sundries by impellers |
| 04/27/2011 | CN201810560U Sewage pump with grinding bucket |
| 04/20/2011 | CN201802641U Double-motor type sewage draining pump |
| 04/20/2011 | CN201802633U Sewage pump with motor cooling function |
| 04/20/2011 | CN201802632U Sewage pump with bypass pipe |
| 04/20/2011 | CN102022342A Convenient and fast sewage priming centrifugal pump |
| 04/20/2011 | CN102022341A Mortar magnetic pump |
| 04/13/2011 | CN201794797U Adjustable liquid outlet angle blockage-free rotary pulp pump |
| 04/13/2011 | CN201794796U Block-free rotation type paper pulp pump |
| 04/13/2011 | CN201794795U Non-blockage rotary paper pulp pump with adjustable impeller |
| 04/13/2011 | CN101208520B Pump |
| 04/06/2011 | CN201786685U Immersible pump with stirring function |
| 04/06/2011 | CN201786678U Chopping type vertical sewage pump |
| 04/06/2011 | CN201786677U Ultra-long submerged agitating and delivering pump |
| 04/05/2011 | CA2599166C Pump with cutting impeller and pre-chopper |
| 03/30/2011 | CN101994703A High temperature hot water pump |
| 03/23/2011 | EP2297396A1 A method and an apparatus for controlling a flow of pulp suspension |
| 03/23/2011 | CN201771788U High-temperature water pump |
| 03/23/2011 | CN201771787U Novel submersible pollution discharge pump |
| 03/23/2011 | CN201771786U Sewage pump |
| 03/23/2011 | CN101988506A Abrasion-resistant anti-corrosive pump with ceramic macromolecule material |
| 03/23/2011 | CN101988505A Double-door bagasse pump |
| 03/23/2011 | CN101451532B Novel liquid metal transfer pump |
| 03/16/2011 | CN201763627U Special pump for sedimentation tank |
| 03/16/2011 | CN201763620U Superior abrasion-resistance highly-efficient slurry pump |
| 03/16/2011 | CN201763619U Sewage cutting submersible pump |
| 03/16/2011 | CN201763618U Sludge pump |
| 03/16/2011 | CN101644270B Cut-up type blow-down pump |
| 03/15/2011 | US7906068 Support post system for molten metal pump |
| 03/10/2011 | WO2010141227A3 Apparatus for reducing turbulence in a fluid stream |
| 03/09/2011 | CN201757063U Residue pumping pump adopting flexible shaft transmission |
| 03/03/2011 | WO2011024586A1 Slurry pump and slurry pump operation method |
| 03/01/2011 | US7896617 High flow/high efficiency centrifugal pump having a turbine impeller for liquid applications including molten metal |
| 03/01/2011 | CA2477121C Sealed impeller for producing metal foam and system and method therefor |
| 02/24/2011 | WO2011022249A1 Clog-resistant pump assembly for slurry loop reactor |
| 02/24/2011 | DE102009028646A1 Förderaggregat Delivery unit |
| 02/16/2011 | CN201747622U High-temperature pump |
| 02/09/2011 | CN201739186U Pulp pump with wide runners |
| 02/09/2011 | CN101968056A Overflow-free self-propelled mud suction pump |
| 02/02/2011 | EP2279555A2 Magnetic induction pump |
| 02/02/2011 | CN101372985B High performance centrifugal pump |
| 01/26/2011 | CN201723453U High-temperature chemical pump |
| 01/26/2011 | CN1983778B Non-impeller centrifugal pump with liquefied metal magnetic drive |
| 01/26/2011 | CN101956713A Vertical type slurry pump capable of adjusting impeller up and down |
| 01/19/2011 | CN201714715U Double-pressure water chamber and three-group blade structure of defoaming pump |
| 01/19/2011 | CN201714707U Water pump and cutting device for same |
| 01/19/2011 | CN201714680U Mincing type dredging pump |
| 01/13/2011 | US20110008183 Pump system with vacuum source |
| 01/12/2011 | EP1891331B1 A pump |
| 01/12/2011 | CN201705728U Improved back cover structure of acid and alkali-resistant pump |
| 01/12/2011 | CN201705717U Inner magnetic rotor of magnetic force pump |
| 01/12/2011 | CN201705678U Medium concentration stuff pump |
| 01/12/2011 | CN201705677U Semi-open impeller submerged slurry pump |
| 01/12/2011 | CN101943184A Hydrodynamic and equilibrium combined seal for impeller of slurry pump |
| 01/06/2011 | WO2011000761A1 Method for delivering fluids using centrifugal pumps |
| 01/05/2011 | EP2270335A2 Dynamic port for measuring reactor coolant pump bearing oil level |
| 01/05/2011 | EP2269670A1 Centrifugal fluid pump assembly |
| 01/05/2011 | DE102009021659A1 Pump has impeller and rotation element that is arranged before impeller, where rotation element is propelled by axial shaft section based on impeller |
| 01/05/2011 | CN201696304U 泵 Pump |
| 01/05/2011 | CN101666317B Flow passage component of high-temperature high-pressure coal chemical industry |
| 01/04/2011 | CA2333808C Pump for molten materials with suspended solids |
| 12/29/2010 | WO2010149455A1 Circulating system for food-compatible fluids |
| 12/29/2010 | CN201687724U Spiral flow type slurry pump |
| 12/29/2010 | CN201687723U Novel sewage pump without wiring board |
| 12/29/2010 | CN201687722U Novel non-clogging under-liquid sewage pump |