Patents for F04D 13 - Pumping installations or systems (12,375)
07/1987
07/21/1987US4681510 Pump for saturated liquid
07/09/1987DE3643565A1 Water pump for a motor vehicle
07/07/1987US4678409 Multiple magnetic pump system
07/07/1987US4678405 Low net positive suction head pumps
06/1987
06/30/1987US4676065 Exhaust system
06/24/1987CN85200671U Miniature agricultural water pump and its bottom valve
06/02/1987US4669953 Pump, especially drum or immersion pump
06/02/1987US4669951 Air operated motor
05/1987
05/26/1987US4668166 Pump
05/20/1987EP0222262A1 Sealing arrangement for a turbo pump
05/20/1987EP0222233A2 Multistage centrifugal pump for the transport of liquid gas
05/20/1987EP0222034A1 In-tank type fuel pump
05/13/1987EP0221300A1 Centrifugal pump unit
05/12/1987US4664595 Ceramic and tungsten carbide
05/06/1987CN86202468U Pneumatic oil-immersing pump
04/1987
04/23/1987WO1987002425A1 Loop pump
04/22/1987CN86106587A Loop pump
04/08/1987EP0217235A1 Electric pump of the magnetic drive transmission type
04/07/1987US4655681 Seal-less pump
03/1987
03/26/1987DE3533559A1 Pump, in particular fountain pump
03/24/1987US4652218 Canned motor pump for use at high temperatures
03/24/1987CA1219493A1 Apparatus for pumping of pulp
03/10/1987US4648808 Sealing shroud centrifugal pump
03/10/1987US4648788 Device in fluid pressure generators
03/04/1987CN85200672U 家用旋涡泵 Household vortex pump
02/1987
02/24/1987US4645433 Sealing shroud centrifugal pump
02/24/1987US4645432 Magnetic drive vehicle coolant pump
02/18/1987CN86205795U Vertical tandem multi-stage electric pump for water injection
02/17/1987US4644207 Integrated dual pump system
02/17/1987US4644202 Sealed and balanced motor and fluid pump system
02/17/1987US4643652 Portable engine-pump assembly
02/17/1987US4643641 Method and apparatus for sterilization of a centrifugal pump
02/17/1987US4643635 Vapor core centrifugal pump having main and low flow impellers
02/10/1987US4642036 Magnet ball pump
02/10/1987US4642030 Arrangement for feeding fuel from supply tank
01/1987
01/15/1987WO1987000250A1 Pump unit
01/15/1987DE3523599A1 Pumpenaggregat Pump unit
01/14/1987EP0208074A2 Water pump
01/07/1987EP0207430A2 Centrifugal pump
12/1986
12/10/1986EP0204190A1 Drive arrangement for compressor of a transport refrigeration unit
12/09/1986US4627790 Portable pump with air seal
12/08/1986EP0188567A4 Centrifugal blood pump with tapered shaft seal.
12/02/1986US4626721 Electrical connector for submergible motor pump assembly
11/1986
11/25/1986US4624627 Self-priming pump
11/20/1986EP0201705A1 Water-circulating device, especially in a tunnel for hydrodynamic tests
11/20/1986EP0201500A1 A device in fluid pressure generators.
11/12/1986CN86102781A Balancing-type rotary diversion case deep well phreatic water pump
10/1986
10/28/1986US4619591 In-tank type fuel pump
10/08/1986EP0196472A1 Fluid pump
10/07/1986US4615662 Axial thrust compensation for centrifugal pump
09/1986
09/30/1986US4614482 Pressure equalizing device for the electric motor of an encapsulated motor-pump assembly
09/30/1986US4614480 Liquid pumping system
09/23/1986US4613289 Corrosion resistant pump
09/09/1986US4610182 Planetary gear arranged in a gear housing between a jet engine and an electrical engine
09/03/1986CN85201796U Fully sealed pipeline type relay pump
09/02/1986US4609327 Submergible pump
08/1986
08/20/1986EP0191362A1 Fuel supplying pump
08/19/1986US4606698 Centrifugal blood pump with tapered shaft seal
08/13/1986EP0190741A1 Pump-water wheel system
07/1986
07/30/1986EP0188567A1 Centrifugal blood pump with tapered shaft seal.
07/15/1986US4600361 Selectively controlled dual delivery pump, particularly for motor vehicle application
06/1986
06/18/1986EP0184703A1 Multiple magnetic pump system
06/03/1986US4593215 Electromagnetic drive for shaftless rotary devices
05/1986
05/28/1986EP0182074A2 Portable pump with air seal
05/27/1986CA1205006A1 Submersible pump system
05/21/1986CN85203828U Flexible well pump with long-axis
05/20/1986US4589822 Centrifugal blood pump with impeller
05/13/1986US4588353 Submersible pump
05/06/1986US4587076 For pressurized water nuclear reactor
04/1986
04/16/1986EP0178087A1 Submersible pump head cooling means
04/09/1986EP0176743A1 Immersible motor pump unit
03/1986
03/11/1986US4575315 Device for providing fluid-tightness of a submersible motor and a motor incorporating said device
03/11/1986US4575264 Thrust bearing
03/05/1986EP0173030A2 A seal-less pump
03/04/1986US4573882 Electrically operated fuel pump apparatus
02/1986
02/25/1986US4572808 Evaporative cooler fan with driving wheel engaging driven wheel on pump spindle
02/19/1986EP0171515A1 Centrifugal pump with an isolating tubular air gap cap
02/19/1986EP0171514A1 Centrifugal pump with an isolating tubular air gap cap
02/19/1986EP0171488A1 Hydraulic energy converter
02/12/1986EP0171094A1 A method of driving the impeller of a liquid pump
01/1986
01/30/1986WO1986000672A1 Centrifugal blood pump with tapered shaft seal
01/29/1986EP0169682A2 Fluid machine
01/28/1986US4566866 Aggregate for feeding of fuel to internal combustion engine particularly of power vehicle
12/1985
12/24/1985US4560476 Plurality of stoppers; prevention of clogging due to backward flowplurality of stoppers; prevention of clogging due to backward flow
12/18/1985EP0164519A1 Under-water tool comprising a bailing system
12/10/1985CA1197753A1 Method for transporting liquid
12/04/1985EP0163126A1 Electric pumping device
11/1985
11/19/1985US4553909 Motor-pump set for boreholes and a method of protection relating thereto
11/19/1985US4553902 Floating portable pump
11/13/1985EP0160641A1 Pump station.
10/1985
10/29/1985US4549849 Pumping assemblies
10/22/1985US4548263 Fitting for dual submersible pumps
09/1985
09/24/1985CA1193913A1 Electrically driven submersible pump system
09/17/1985US4541782 Pump system
09/17/1985CA1193693A1 Dry battery driven liquid pump
09/17/1985CA1193482A1 Sealing member for high pressure fluid pump shaft
09/04/1985EP0153518A1 Aquarium filter assembly
09/03/1985US4538968 Motor driven fuel pump
08/1985
08/20/1985US4536138 Motor-driven pump assembly which can be used under water
08/07/1985EP0150515A1 Pump for circulating a cooling fluid consisting of a liquid metal in a cooling circuit of a nuclear reactor