Patents for F04D 3 - Axial-flow pumps (1,557)
03/1991
03/20/1991EP0276224B1 Device for pumping highly-viscous material, in particular thick oil
02/1991
02/19/1991US4994017 Circulation apparatus
02/10/1991CA2022751A1 Dual auger top loading pumping system for manure tank wagon
01/1991
01/23/1991EP0408618A1 Rotary machine with non-positive displacement, for use as a pump, compressor, propulsion unit, generator or drive turbine
01/09/1991CN2069041U Submersible pump
12/1990
12/26/1990CN2068165U Drawing pump
11/1990
11/20/1990US4971526 Dual auger top loading pumping system for manure tank wagon
11/13/1990US4969865 Temporary circulatory assist pump
10/1990
10/24/1990EP0393564A1 Hydraulic screw pump with true sized gap sealing
10/16/1990CA1275198C Rotor of a screw hydraulic downhole motor, method for its production and a device for carrying same into effect
10/16/1990CA1275197C Pumps
07/1990
07/04/1990EP0157871B1 High-capacity intravascular blood pump utilizing percutaneous access
07/03/1990US4938660 Pump for viscous fluids
05/1990
05/16/1990EP0368530A2 Fluidizing centrifugal pump or impeller for such a pump
04/1990
04/26/1990DE3839967A1 Torque force converter
04/05/1990DE3834068A1 Apparatus for conveying and spraying material mixtures of the most diverse viscosities and grain sizes
02/1990
02/21/1990CN2053264U Hydrodynamic mono-screw pump
01/1990
01/10/1990CN1038686A Rotary machine with non positive displacement usable as pump, compressor, impeller, generater or turbine
01/03/1990CN2050485U Miniature heating pump
12/1989
12/27/1989CN2050100U Rotary centrifugal type axial-flow pump
11/1989
11/29/1989CN2048524U Axial-flow pump
11/29/1989CN1037567A Axial-flow pipe pump
11/22/1989CN2048122U Screw submerging electric pump
10/1989
10/31/1989US4877368 Fluidizing centrifugal pump
10/24/1989US4876492 Electronically commutated motor driven apparatus including an impeller in a housing driven by a stator on the housing
10/05/1989WO1989009342A1 Rotary machine with non-positive displacement, for use as a pump, compressor, propulsion unit, generator or drive turbine
09/1989
09/27/1989EP0334737A1 Rotary non-positive machine, applicable as pump, compressor, propellor, generator or motive turbine
07/1989
07/12/1989CN2040960U Upright agricultural pumper
07/11/1989US4846152 Single-stage axial flow blood pump
06/1989
06/28/1989CN2040225U Decentralized aspirator
06/27/1989US4842481 Fluid pumps
06/20/1989CA1256044A1 Manure vacuum wagon power assist auger
06/01/1989WO1989004644A1 Single-stage axial flow blood pump
05/1989
05/17/1989CN2037782U Conical single-screw pump
04/1989
04/19/1989EP0201500B1 A device in fluid pressure generators
03/1989
03/28/1989CA1251690A1 Pump drive assembly
03/21/1989US4813849 Fluid pump with air inducer
02/1989
02/08/1989CN2032267U Axial-flow centrifugal impeller
01/1989
01/25/1989EP0179824B1 Device for stirring or pumping
01/24/1989CA1249173A1 Dough pump with degassing system
12/1988
12/27/1988US4793767 Device for pumping highly-viscous material, in particular thick oil
12/06/1988US4789299 For conveying fluids
10/1988
10/26/1988CN87211211U Dual-cycloidal single screw pump
10/25/1988US4779614 Magnetically suspended rotor axial flow blood pump
10/20/1988WO1988007842A1 Magnetically suspended rotor axial flow blood pump
10/20/1988DE3711198A1 Impeller wheel
08/1988
08/23/1988CA1240802A1 High-capacity intravascular blood pump utilizing percutaneous access
08/03/1988EP0276224A1 Device for pumping highly-viscous material, in particular thick oil.
06/1988
06/21/1988US4752138 Device for stirring or pumping
04/1988
04/05/1988CA1234719A1 Fluid pump
02/1988
02/24/1988CN86209873U Sealed vane pump unit
12/1987
12/15/1987US4713027 Ringed impeller for a water jet drive
06/1987
06/30/1987US4676714 Reversible centrifugal pump
06/19/1987EP0156895A4 Fluid pump.
06/18/1987WO1987003652A1 Device for pumping highly-viscous material, in particular thick oil
04/1987
04/28/1987US4661046 Manure vacuum wagon power assist auger
04/09/1987WO1987002101A1 Manure vacuum wagon power assist auger
03/1987
03/12/1987DE3418478A1 Rotating threaded pipe as a drive and for technical processes
03/10/1987US4648788 Device in fluid pressure generators
01/1987
01/22/1987DE3524804A1 Apparatus for removal of viscous liquids stored in medium to large containers
01/13/1987CA1216477A1 Rotor device
12/1986
12/02/1986US4625712 High-capacity intravascular blood pump utilizing percutaneous access
11/1986
11/20/1986EP0201500A1 A device in fluid pressure generators.
09/1986
09/09/1986CA1210986A1 Continuous press
08/1986
08/05/1986US4604032 Rotor device
07/1986
07/15/1986CA1207589A1 Manure liquifier and pump
06/1986
06/03/1986USRE32169 Thermal exchanger
04/1986
04/16/1986EP0177594A1 New system of rotary propeller pump
03/1986
03/04/1986US4573864 Regenerative turbomachine
01/1986
01/29/1986EP0169682A2 Fluid machine
11/1985
11/21/1985WO1985005046A1 Device for stirring or pumping
11/07/1985WO1985004931A1 New system of rotary propeller pump
10/1985
10/15/1985CA1195068A1 Screw extruders
10/10/1985CN85200170U Wear-resisting and shorck absorption pump with single screw
10/09/1985EP0156895A1 Fluid pump
10/08/1985CA1194904A1 Suction transfer device for liquids
08/1985
08/01/1985WO1985003270A1 A device in fluid pressure generators
07/1985
07/17/1985EP0148388A1 Water displacement installation
07/02/1985CA1189693A1 Apparatus for forming an element-free gap in a continuous slide fastener chain
04/1985
04/16/1985US4511308 Axial and mixed flow fans and blowers
04/11/1985WO1985001550A1 Fluid pump
04/11/1985WO1985001432A1 High-capacity intravascular blood pump utilizing percutaneous access
03/1985
03/27/1985EP0135365A2 Regenerative-compressor
03/13/1985EP0052150B1 Liquid fuel supply pump
02/1985
02/19/1985US4499822 Continuous press
09/1984
09/11/1984US4470752 Pump for supplying liquid fuel
07/1984
07/31/1984US4462692 Screw extruders
06/1984
06/13/1984EP0110694A2 Screw extruders
05/1984
05/22/1984CA1167695A1 Pump
05/22/1984CA1167693A1 Pump for supplying kerosene to combustion apparatus
04/1984
04/25/1984EP0105997A1 Process and device for the transfer of liquids by suction
04/17/1984US4443152 Axial slurry pump
03/1984
03/27/1984CA1164268A1 Submersible pump for use in toxic and hazardous waste sampling
01/1984
01/31/1984US4428264 Apparatus for forming an element-free gap in a continuous slide fastener chain
11/1983
11/15/1983US4415308 Pump for supplying kerosene to combustion apparatus
10/1983
10/11/1983US4408966 Pump for supplying liquid fuel
06/1983
06/22/1983EP0081872A2 Sorption heat pump device
06/14/1983CA1148191A1 Liquid coolant transfer device
02/1983
02/15/1983CA1141232A1 Vane pump
02/01/1983CA1140391A1 Screw pump for conveying waste water and the like
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