| 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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| 04/15/2009 | CN201221488Y Improved anti-corrosive magnetic pump axial center preposition fixed structure |
| 04/09/2009 | WO2008086801A3 A system and method for monitoring and control of wl-nd farms |
| 04/08/2009 | CN201218229Y Pulp pump used for medium-thick pulp conveyer |
| 04/08/2009 | CN201218226Y Pump apparatus |
| 04/07/2009 | CA2356527C Method and apparatus for pumping a material and a rotor for use in connection therewith |
| 04/01/2009 | EP1817501B1 Pump with cutting impeller |
| 03/31/2009 | US7510368 Screw-centrifugal pump |
| 03/25/2009 | CN101392767A Vertical halogen transmission pump for removing crystal in pump by freshwater soaking |
| 03/25/2009 | CN101392763A High-temperature and high-pressure magnetic pump |
| 03/25/2009 | CN101392754A Lining plastic axial-flow pump for chemical industry |
| 03/24/2009 | US7507367 Protective coatings for molten metal devices |
| 03/18/2009 | CN201209578Y Residual slag liquid cleaning pump for methane tank |
| 03/12/2009 | DE202008016643U1 Automatische Warnvorrichtung einer Saugscheibe Automatic warning device of a suction disc |
| 03/11/2009 | CN101382140A Wear- and corrosion-resistant pump |
| 03/10/2009 | US7502648 Artificial cardiac pump |
| 03/04/2009 | EP2029308A1 Soldering apparatus |
| 03/04/2009 | CN201202680Y Slurry pump |
| 03/04/2009 | CN201202678Y Pump special for sugar industry emulsifying mortar |
| 03/04/2009 | CN201202656Y Shield overhanging type pump |
| 03/04/2009 | CN101377204A Multi-ribbed keyless coupling |
| 02/26/2009 | US20090054167 Molten metal pump components |
| 02/25/2009 | CN201198833Y Submersible pollution pump |
| 02/25/2009 | CN101372985A High performance centrifugal pump |
| 02/19/2009 | WO2009022019A1 Pump rotor and pump comprising a pump rotor of said type |
| 02/18/2009 | EP2025943A2 Pump system |
| 02/18/2009 | CN101371046A A pump for pumping contaminated liquid including solid matter |
| 02/18/2009 | CN101368574A Design method of two phase flow pump impeller |
| 02/12/2009 | WO2009020420A1 Submersible centrifugal pump with normal and ejector modes of operation |
| 02/11/2009 | CN201193628Y Centrifugal pump for high concentration and high viscosity medium |
| 02/11/2009 | CN201193620Y Centrifugal pump |
| 02/11/2009 | CN101363691A Transferring molten metal from one structure to another |
| 02/11/2009 | CN101363456A Centrifugal pump with cooling fan blade |
| 02/11/2009 | CN101363440A Multiple stage centrifugal pump with associate impeller and oil sealing chamber |
| 02/11/2009 | CN100460690C Method for conveying a liquid F containing at least one (meth)acrylic monomer |
| 02/04/2009 | CN201190690Y Foam breaking pump |
| 02/04/2009 | CN201190678Y Shearing pump for emulsifying lime slurry in sugar industry |
| 02/04/2009 | CN101358601A Concrete spiral casing seawater circulation pump for nuclear plant |
| 02/03/2009 | CA2355463C Apparatus and method for mixing drill cuttings in a tank and transferring them therefrom |
| 01/29/2009 | WO2009013391A1 Separation pump |
| 01/29/2009 | CA2693541A1 Separation pump |
| 01/28/2009 | CN201187475Y Emulsification lime slurry centrifugal pump for sugar-making industry |
| 01/28/2009 | CN201187469Y Emulsifying lime slurry pump for sugar-making industry |
| 01/28/2009 | CN201187468Y Lime slurry pump for sugar-making industry |
| 01/28/2009 | CN201187457Y Concrete pump for downhole |
| 01/28/2009 | CN101354049A Clamping plate type corrosion resistant abrasion-proof slurry pump |
| 01/28/2009 | CN101354044A Centrifugal pump suitable for high temperature and high coagulating point medium and its use method |
| 01/28/2009 | CN100455817C Pressurizing cenrrifugal pump |
| 01/27/2009 | US7481964 Sealed impeller for producing metal foam and system and method therefor |
| 01/27/2009 | CA2338571C Multiple channel system, apparatus and method for transporting particulate material |
| 01/21/2009 | EP1747377B1 Impeller |
| 01/21/2009 | EP1739310B1 Pressurizing centrifugal pump |
| 01/14/2009 | CN201180662Y Slurry pump |
| 01/07/2009 | EP2012018A2 Pump housing assembly with liner |
| 01/07/2009 | CN201176942Y Mechanical pump for filtrating |
| 01/07/2009 | CN201176941Y Magnetic force driving pump |
| 01/07/2009 | CN201176940Y Submersible sewage pumps with cutting device |
| 01/07/2009 | CN101341272A Compressor casing made of cast steel for low temperature applications |
| 01/07/2009 | CN101338756A Hot-water circulating pump |
| 01/07/2009 | CN101338755A Submerged sump pump capable of timely cutting filament sundries |
| 12/31/2008 | CN201173193Y Coal slurry recycle pump for coal oil |
| 12/31/2008 | CN101334037A Liquid sulfur pump |
| 12/30/2008 | US7470392 Molten metal pump components |
| 12/30/2008 | CA2327770C Molten metal impeller |
| 12/24/2008 | CN201170187Y Leakage lining-free non-metal abrasion-proof corrosion-resistant slurry pump |
| 12/21/2008 | CA2635495A1 Transferring molten metal from one structure to another |
| 12/18/2008 | CA2718646A1 Centrifugal impeller/propeller pump system |
| 12/17/2008 | CN101326372A Impeller of a pump unit and corresponding pump unit |
| 12/11/2008 | US20080304977 Use of Fluidic Pumps |
| 12/11/2008 | US20080304970 Pump with rotating inlet |
| 12/11/2008 | CA2688175A1 Pump and pump impeller |
| 12/10/2008 | CN201162717Y Discharge pump of biogas generating pit |
| 12/10/2008 | CN201162681Y Immersion type vertical pump with air bubble extinguishing apparatus |
| 12/03/2008 | CN101315080A Full sealing type refrigerant fluid pump and its application in high-rise storied house refrigerating system |
| 11/27/2008 | WO2008143859A1 Wattmeter circuit for operating a grinder pump assembly to inhibit operating under run dry or blocked conditions |
| 11/27/2008 | WO2008141381A1 Improvements in and relating to pumps |
| 11/27/2008 | WO2008141377A1 Seal assembly |
| 11/26/2008 | CN201155489Y Water isolation slurry pump secondary isolation amortization type float ball |
| 11/25/2008 | US7455251 Pump impeller and chopper plate for a centrifugal pump |
| 11/21/2008 | CA2856861A1 Improvements in and relating to pumps |
| 11/21/2008 | CA2685313A1 Improvements in and relating to pumps |
| 11/19/2008 | CN201152263Y Underground sewage water forced-ventilation special-purpose equipment |
| 11/19/2008 | CN101307766A Idle rotation tolerable plastic magnetic force pump |
| 11/19/2008 | CN100434718C Cutting tool pertaining to a centrifugal pump |
| 11/13/2008 | WO2008136755A1 Pump assembly and method |
| 11/13/2008 | US20080279704 Pump with rotating inlet |
| 11/12/2008 | EP1660778B1 Pump housing assembly with liner |
| 11/12/2008 | CN101303028A Pump case component with bush |
| 11/06/2008 | US20080275290 Implantable heart assist system and method of applying same |
| 11/05/2008 | CN201144825Y Clamping plate strengthening type mixed-flow pump |
| 11/05/2008 | CN201144824Y Screw feed pump |
| 11/05/2008 | CN201144823Y Clamping plate type axial-flow pump |
| 10/30/2008 | DE102007020218A1 Förderpumpe Feed pump |
| 10/29/2008 | CN101294574A Chemical water pump |
| 10/16/2008 | WO2008122077A1 Air diffuser system for industrial pumps |
| 10/15/2008 | EP1979621A1 Magnetically coupled centrifugal pump for corrosive media |
| 10/15/2008 | CN201133355Y High quality waste acid recycle pump |
| 10/15/2008 | CN201133354Y Underground bittern collecting and conveying dedicated pump |
| 10/15/2008 | CN101285473A Low delivery head great specific gravity fluid delivery pump |
| 10/15/2008 | CN101285472A Slurry pump and method of manufacture |
| 10/08/2008 | EP1977113A2 Flexible floating ring seal arrangement for rotodynamic pumps |