| 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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| 10/24/2007 | CN200964954Y Drainage pump |
| 10/23/2007 | US7284951 Method for conveying a liquid F containing at least one (meth)acrylic monomer |
| 10/17/2007 | EP1843831A1 A method of and an apparatus for feeding gaseous or liquid fluid into a medium |
| 10/13/2007 | CA2543688A1 Hydraulic submersible mud pump |
| 10/10/2007 | CN100342141C Vertical slag slurry pump |
| 10/09/2007 | US7278824 Pump for molten materials with suspended solids |
| 10/03/2007 | CN100340761C Fuel pump for mounting in fuel tank |
| 09/26/2007 | CN200952476Y Outflow top vertical non-leakaging pump |
| 09/26/2007 | CN100339600C 泵装置 Pump device |
| 09/25/2007 | US7273593 Comprising a bundle of catalyst tubes, through whose space surrounding the catalyst tubes a heat exchange medium is passed, a pump for circulating the heat exchange medium; especially for oxidation reactions |
| 09/25/2007 | US7273582 Shaft and post assemblies for molten metal apparatus |
| 09/19/2007 | EP1834097A1 Improved pump and method |
| 09/19/2007 | CN200949573Y Vertical long axis pump feeding-mouth with mixer |
| 09/19/2007 | CN200949555Y Pollution discharging pump impeller |
| 09/19/2007 | CN200949553Y Slag-slurry pump |
| 09/19/2007 | CN200949527Y Reformed pitch vertical centrifugal pump |
| 09/12/2007 | EP1152963B1 Multiple channel system, apparatus and method for transporting particulate material |
| 09/12/2007 | CN200946589Y Centrifugal pump |
| 09/12/2007 | CN200946587Y Intelligent protection and monitor flow pump for chemical industry |
| 09/12/2007 | CN200946580Y Erosion-resistant pump |
| 09/06/2007 | DE10261318B4 Treibstoffpumpe Fuel pump |
| 09/05/2007 | CN200943586Y Matched intelligence set of sewage treatment device |
| 09/05/2007 | CN200943583Y Submersible slurry pump |
| 09/05/2007 | CN101029646A Fished chemical industry pump |
| 09/04/2007 | US7264440 Fuel pump |
| 08/30/2007 | DE202006006309U1 Kreiselpumpe für abrasive Flüssigkeiten Centrifugal pump for abrasive liquids |
| 08/29/2007 | EP1826411A1 Rotary pump, hydrodynamic mixer with a rotary pump and use of the rotary pump to process fluids |
| 08/29/2007 | CN200940599Y Stirring wheel structure of waste water stirring pump |
| 08/29/2007 | CN200940597Y Novel thin acid pump |
| 08/29/2007 | CN200940595Y Novel serial machine seal structure for light and medium load chemical pump |
| 08/29/2007 | CN200940574Y Novel chemical centrifugal pump |
| 08/23/2007 | US20070196207 Pressurizing centrifugal pump |
| 08/22/2007 | CN2937571Y Axle butt-joint structure of stirring sump pump |
| 08/22/2007 | CN2937570Y Steel plastic compound corrosion risistance mixed flow pump |
| 08/16/2007 | DE112005002121T5 Kraftstoffpumpe Fuel pump |
| 08/15/2007 | EP1817501A1 Pump with cutting impeller |
| 08/15/2007 | CN2934680Y Improved pump without sealing liquor for chemical industry |
| 08/09/2007 | WO2007071618A3 Cast steel compressor housing for use at low temperatures |
| 08/09/2007 | DE19781894B4 Selbstansaugende Kreiselpumpe Self-priming centrifugal pump |
| 08/08/2007 | CN2931879Y Vertical, short axis and non-immersed oxide scale pump |
| 08/08/2007 | CN2931865Y High concentration slurries pump |
| 08/08/2007 | CN2931864Y Centrifugal mud pump |
| 08/08/2007 | CN101012834A Oil residue mixing pump and application in coal chemical industry |
| 08/07/2007 | US7251983 Secondary containment system and method |
| 08/01/2007 | CN2929263Y Waste water pump with cutting and reverse flushing double function |
| 07/26/2007 | WO2007084056A1 A pump for pumping contaminated liquid including solid matter |
| 07/26/2007 | US20070172345 Screw-centrifugal pump |
| 07/26/2007 | CA2636358A1 A pump for pumping contaminated liquid including solid matter |
| 07/25/2007 | EP1811184A1 Impeller of a pump unit and corresponding pump unit |
| 07/25/2007 | CN2926604Y Water-inlet structure of submersible blow-off pump |
| 07/19/2007 | WO2007079890A1 Impeller for a pump unit and associated pump unit |
| 07/19/2007 | US20070164136 Cutting tool pertaining to a centrifugal pump |
| 07/18/2007 | EP1808638A2 Pumping system for pumping fluids |
| 07/18/2007 | CN2924098Y Block-free self-suction sewage pump |
| 07/18/2007 | CN101000062A Hot water single step dual-sucking level middle opening volute type centrifugal pump |
| 07/12/2007 | US20070158041 Method and arrangement for treating pulp |
| 07/11/2007 | EP1490599A4 Pump system with vacuum source |
| 07/04/2007 | CN2918801Y Ship using centrifugal pump |
| 07/03/2007 | CA2527563C Apparatus and method for pumping a cryogenic fluid from a storage vessel and diagnosing cryogenic pump performance |
| 06/28/2007 | WO2007071618A2 Cast steel compressor housing for use at low temperatures |
| 06/27/2007 | EP1801254A1 Compressor casing made of cast steel for low temperature applications |
| 06/27/2007 | CN2916194Y Brine pump lifting device |
| 06/27/2007 | CN1989347A 离心泵 Centrifugal |
| 06/26/2007 | US7234657 Pump impeller and chopper plate for a centrifugal pump |
| 06/20/2007 | CN2913695Y Centrifugal pump with closed structure |
| 06/20/2007 | CN2913683Y Self-service punching-digging slurry pump |
| 06/20/2007 | CN1985027A 涂层 Coating |
| 06/20/2007 | CN1983778A Non-impeller centrifugal pump with liquified metal magnetic driven |
| 06/13/2007 | EP1795758A1 Impeller for a pump unit and pump unit |
| 06/06/2007 | CN2908873Y 橡胶叶轮 Rubber impeller |
| 06/05/2007 | US7225664 Secondary containment leak prevention and detection system and method |
| 05/30/2007 | CN2906149Y Pump with teflon or F46 undercoating |
| 05/30/2007 | CN1318762C High temperature high pressure hot-water circulating pump |
| 05/24/2007 | DE102005014931B4 Abfallbeseitigung in Wohnmobilen o. dgl. Waste disposal in mobile homes o. The like. |
| 05/23/2007 | CN2903492Y Glass fibre reinforced plastic hanging arm underwater pump |
| 05/23/2007 | CN2903483Y Gaseous, solid, liquid three phase delivering pump |
| 05/16/2007 | CN2900877Y Self mixing type submersible slurry dredging pump |
| 05/16/2007 | CN2900876Y Mud type Chemical shield electric pump |
| 05/16/2007 | CN1963234A Viscous multiphase flow pump |
| 05/10/2007 | DE202007003214U1 Magnetgekuppelte Kreiselpumpe für korrosive Medien Magnetic drive centrifugal pump for corrosive media |
| 05/09/2007 | CN2898387Y Clamping chemical pump |
| 05/09/2007 | CN2898377Y Stainless-steel pump |
| 05/09/2007 | CN2898376Y Foam transferring slurry sucker of flotation column |
| 05/09/2007 | CN2898375Y Centrifugal pump |
| 05/02/2007 | EP1692397B1 Centrifugal pump |
| 05/02/2007 | CN2895807Y Efficient energy-saving and smart pump special for petro-chemical industry |
| 04/26/2007 | US20070090211 Pump impeller and chopper plate for a centrifugal pump |
| 04/26/2007 | DE102004046160B4 Kraftstoffpumpe Fuel pump |
| 04/25/2007 | EP1633983A4 Improved pump impeller |
| 04/25/2007 | CN2893244Y Single-stage non-leakage syrup pump |
| 04/25/2007 | CN2893235Y Wear resisting centrifugal mortar pump |
| 04/25/2007 | CN2893234Y Multi-head helico-centrifugal pump |
| 04/18/2007 | EP1774181A1 Centrifugal pump |
| 04/18/2007 | CN2891462Y Liquid metal magnetic force driven blade wheel-free centrifugal pump |
| 04/18/2007 | CN2890437Y Pump for use in corrosion-resistant barrel |
| 04/18/2007 | CN2890435Y Easily-changeable concentrated sulphuric acid submerged pump connection pipe |
| 04/18/2007 | CN2890429Y Magnesium alloy suckback pump |
| 04/18/2007 | CN2890428Y Shell-breakage pump for marsh gas tank |
| 04/18/2007 | CN1311157C Fuel pump with acid-resisting film bearing |
| 04/11/2007 | EP1660778A4 Pump housing assembly with liner |