| Patents for F04D 3 - Axial-flow pumps (1,557) |
|---|
| 10/28/2009 | CN100553796C Fluid discharging method and fluid discharging apparatus |
| 10/21/2009 | CN101560492A Automated biological growth and dispensing system |
| 10/14/2009 | CN100548615C Method for improving fan ring strength |
| 10/01/2009 | US20090246003 Turbocharger with sliding piston, and having vanes and leakage dams |
| 09/30/2009 | CN201318292Y Water-coal slurry pump for large-sized boiler |
| 09/30/2009 | CN201318291Y Skidded special sulfonate screw pump system |
| 09/30/2009 | CN101548081A Plastic fans having improved fan ring weld line strength |
| 09/16/2009 | CN101534024A Integrated impeller motor for driving axial-flow pump |
| 09/09/2009 | EP2097626A1 Plastic fans having improved fan ring weld line strength |
| 09/02/2009 | CN201301813Y Electronic control cement drying pump |
| 09/02/2009 | CN101518931A Method for enhancing strength of external ring of fan in the fan driving system |
| 08/27/2009 | US20090214332 Multistage pump assembly having removable cartridge |
| 08/20/2009 | US20090208349 Solids handling hydro-finn pump |
| 08/12/2009 | CN201288704Y Submerged axial flow pump for sedimentation tank sludge removal and sludge reflux |
| 08/12/2009 | CN100526647C Method for machining screw pump stator with equal wall thickness |
| 08/04/2009 | US7568896 Pump and method |
| 07/22/2009 | CN100516533C Fluid conveying equipment |
| 07/15/2009 | CN201273285Y Fluid-blending viscosity-reducing system of screw pump |
| 07/15/2009 | CN100513795C Self-cooling internal axial-flow pump |
| 07/09/2009 | WO2009084168A1 Thrust generator |
| 06/03/2009 | CN201250777Y Stacked-disc metal-sheath screw pump |
| 05/28/2009 | WO2009065764A1 Combined pump and valve apparatus |
| 05/27/2009 | CN201246346Y Pump inlet structure of vertical low flash cold circulation axial-flow pump |
| 05/22/2009 | WO2009062262A1 A power generator |
| 05/20/2009 | EP2060792A1 Combined pump and valve apparatus |
| 05/20/2009 | CN201241837Y Slurry collecting and conveying device |
| 05/13/2009 | CN100486486C Air charging system comprising covering layer and anchor fitting |
| 04/23/2009 | WO2009029959A3 Article comprising an impeller |
| 04/22/2009 | CA2602952A1 Magnetically driven archimedes spiral screw pump |
| 04/08/2009 | CN101403392A Balancing device of down-hole multiphase mixed extraction pump |
| 04/08/2009 | CN101403387A Helical axial flow type multiphase pump supercharging unit |
| 03/25/2009 | CN101392753A 泵 Pump |
| 03/18/2009 | CN201209563Y Worm impeller type brushless electric water pump |
| 03/11/2009 | EP2032857A1 Compact low noise efficient blower for cpap devices |
| 03/05/2009 | US20090060736 Compressor |
| 03/05/2009 | US20090060735 Turbine rotor apparatus and system |
| 03/04/2009 | EP2029895A1 Compact polyphase pump |
| 03/04/2009 | CN100465454C An axial flow blower |
| 03/03/2009 | US7497657 Beam jet propellor |
| 02/26/2009 | DE112006003159T5 Lüfter zur Kühlung mit integralem Gehäuse und Flügelrad Cooling fan with integral housing and impeller |
| 02/12/2009 | WO2009020386A1 Plastic pump and generator and method of manufacturing same |
| 02/12/2009 | US20090041574 Uni-axial screw pump |
| 02/11/2009 | CN101363455A Pump body structure of vertical low level fast-cooling circle axial-flow pump |
| 02/05/2009 | US20090035123 Vacuum pump |
| 02/04/2009 | CN101358600A Ultra-large displacement screw oil well pump system |
| 01/28/2009 | CN101356374A Fluidpumpe |
| 01/22/2009 | WO2009010310A1 Sinking pump safe for fish |
| 01/13/2009 | US7476077 Rotary pump with exclusively hydrodynamically suspended impeller |
| 01/07/2009 | CN101338757A Impeller-type self priming pump |
| 01/01/2009 | US20090003986 Pump and Pumping System Utilizing the Same |
| 12/30/2008 | US7470447 Method and device for discharging fluid |
| 12/30/2008 | US7470105 Cylindrical rotor with internal blades |
| 12/24/2008 | CN100445566C Hydrodynamic bearing-type pump |
| 12/23/2008 | US7467929 Device for axially conveying fluids |
| 12/17/2008 | EP2002123A1 Fluid pump |
| 12/17/2008 | CN101326371A Cooling fan with integral housing and impeller |
| 12/17/2008 | CN101324238A Blower with bearing tube |
| 12/03/2008 | EP1996252A2 Heart assist device with expandable impeller pump |
| 11/27/2008 | US20080292478 Axial Flow Pump with a Spiral-Shaped Vane |
| 11/25/2008 | US7455497 High performance inducer |
| 11/12/2008 | CN100432444C Purifying pump |
| 11/06/2008 | US20080275290 Implantable heart assist system and method of applying same |
| 11/05/2008 | CN201144822Y Uniform wall thickness rubber screw rod stator |
| 10/08/2008 | CN201129311Y Fluid pusher |
| 10/08/2008 | CN201129300Y Axial-flow pump |
| 10/02/2008 | WO2008060147A3 Rotating machine for interaction with a gas or liquid |
| 10/01/2008 | EP1974144A1 Pump and pumping system utilizing the same |
| 10/01/2008 | CN201125869Y Special axial-flow pump |
| 09/30/2008 | CA2408536C Inflatable device with recessed fluid controller and modified adjustment device |
| 09/25/2008 | US20080229508 Inflatable device with recessed fluid controller and modified adjustment device |
| 09/12/2008 | WO2008106861A1 Method for generating electricity utilizing wind energy and device for collecting wind energy |
| 09/12/2008 | CA2581607A1 Apparatus for transferring slurry |
| 09/04/2008 | US20080213419 Viscosity pump for extrusion-based deposition systems |
| 08/28/2008 | US20080206041 Drag Vacuum Pump |
| 08/28/2008 | US20080202879 Radially compliant pump hub |
| 08/14/2008 | US20080193309 Screw pump rotor and method of reducing slip flow |
| 07/24/2008 | WO2008086575A1 A pump having a stationary helical spiral flange and a slotted impeller shaft rotatable within |
| 07/23/2008 | CN201090448Y Quantification adding pump of three-phase foam blowing agent |
| 07/23/2008 | CN201090447Y Pneumatic and electric double power oxygenation filtering circulation pump |
| 07/10/2008 | WO2008083255A1 Plastic fans having improved fan ring weld line strength |
| 06/26/2008 | US20080152482 Solar Powered Fan |
| 06/26/2008 | DE112006001464T5 Künstliche Herzpumpe Artificial Heart Pump |
| 06/25/2008 | EP1936204A2 Electrically driven axial pump |
| 06/19/2008 | DE102006061504B3 Electric flow pump for making liquid substances circulate has a casing to hold an electric drive motor fitted concentrically and parallel to its axis |
| 06/17/2008 | CA2411245C Method for controlling the position of a permanent magnetically supported rotating component |
| 06/17/2008 | CA2210762C Rotary machine with an electromagnetic rotary drive |
| 06/04/2008 | CN101191452A Suction pump jet driving device without delivery lift |
| 06/03/2008 | US7381034 Hydrodynamic pressure bearing pump with a shaft and a bearing having hydrodynamic pressure generating grooves |
| 05/28/2008 | CN201065838Y Screw filling pump |
| 05/22/2008 | WO2008060147A2 Rotating machine for interaction with a gas or liquid |
| 05/22/2008 | WO2008060141A1 Rotating machine for interaction with a gas or liquid |
| 05/21/2008 | CN201062582Y Axial-flow pump |
| 05/08/2008 | US20080107524 Fan device capable of increasing air pressure and air supply |
| 05/07/2008 | EP1918591A2 Centrifugal pump |
| 04/17/2008 | US20080091265 Device for axially conveying fluids |
| 04/03/2008 | US20080080965 Pump comprising an axial balancing system |
| 04/03/2008 | DE102006034952B4 Regelbare Axialpumpe für einen Kühlkreislauf einer Verbrennungskraftmaschine Adjustable axial pump for a cooling circuit of an internal combustion engine |
| 03/26/2008 | EP1284624B1 Inflatable device with recessed fluid controller and modified adjustment device |
| 03/25/2008 | CA2282017C Progressing cavity pump |
| 03/20/2008 | US20080069710 Electric motor and fuel pump having the same |