Patents for F04D 13 - Pumping installations or systems (12,375) |
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11/18/1980 | US4234293 Axial balancing system for motor driven pumps |
11/11/1980 | CA1089322A1 Sewage pump assembly |
11/04/1980 | US4231718 Fluid pump, particularly a fuel supply pump |
10/29/1980 | EP0018266A1 Centrifugal pump for fluid circulation |
10/28/1980 | US4230440 Through flow sump pump |
10/21/1980 | US4229142 One-piece pumping device with ambivalent operation |
10/14/1980 | US4227733 Apparatus for connecting a lifting tackle to a submersible pump |
10/07/1980 | US4226574 Magnetically driven pump |
09/30/1980 | US4225292 Liquid cooled pump motor unit |
09/23/1980 | US4224363 Motor jacking apparatus |
09/23/1980 | US4224009 Submersible pump with improved sealing means |
09/16/1980 | US4222701 Pump module for a compliant underwater pipe system |
08/20/1980 | EP0014659A1 Flexible device for sucking up large quantities of fluids, especially for pumping seawater from the depth |
08/19/1980 | US4218195 Submersible pump |
08/06/1980 | EP0013869A1 Device for cooling a submersible sealed motor unit |
08/05/1980 | US4215976 Turbine-impeller pump for use in geothermal energy recovery systems |
07/22/1980 | US4213745 Pump for central heating system |
07/22/1980 | US4213743 Pump assembly driven by endless conveyor |
06/24/1980 | US4209284 Electric motor-driven two-stage fuel pump |
06/24/1980 | US4209282 Pump assembly |
06/17/1980 | US4208171 Hydrodynamic pump units and regulators therefor |
06/10/1980 | US4207485 Magnetic coupling |
05/27/1980 | US4204810 Bi-directional pump |
05/27/1980 | US4204801 Sewage pump assembly |
05/27/1980 | CA1078255A1 Blood pump |
05/06/1980 | US4201524 Submersible pump system using a submersible internal combustion engine |
05/06/1980 | US4201521 Pump and motor assembly |
05/06/1980 | US4201519 Through flow sump pump |
04/29/1980 | CA1076418A1 Pump-motor assemblage for circulating a coolant |
04/08/1980 | CA1075081A1 Centrifugal pump and electric motor unit |
04/02/1980 | EP0009428A1 Automatic control system for centrifugal pumps |
04/01/1980 | CA1074665A1 Centrifugal replenishing pump for a hydrostatic pump-motor system |
03/18/1980 | US4193265 Transducer for converting the energy of ocean currents |
03/18/1980 | CA1073824A1 Gas separator |
03/18/1980 | CA1073743A1 Clutch connected multi-stage impeller pump |
02/26/1980 | CA1072398A1 Device for controlling the flow and rate of flow of hydraulic fluid, and installation of same in a dual circulating pump |
02/20/1980 | EP0008260A1 Turbine-driven pump |
02/12/1980 | US4188008 Farm pump mounting bracket |
02/12/1980 | CA1071682A1 Fuel pump for automotive vehicles |
02/12/1980 | CA1071470A1 Floating self levelling suction device |
02/05/1980 | US4186555 Hydraulic machine |
01/01/1980 | US4181475 Oil housing |
01/01/1980 | US4181471 Nuclear reactor coolant pump having a tooling boom |
12/18/1979 | US4179243 Floatation pump device |
12/18/1979 | US4179239 Modular pump unit for multistage high pressure slurry pump |
12/04/1979 | US4177021 Through flow sump pump |
11/27/1979 | US4175916 Pump with steep-angle hitch and universal drive joint |
11/13/1979 | US4173796 Total artificial hearts and cardiac assist devices powered and controlled by reversible electrohydraulic energy converters |
10/30/1979 | US4172697 Cooling pump bracket |
10/30/1979 | US4172695 Pump unit |
10/30/1979 | CA1065187A1 Impeller pump and vane pump assembly with clutch deactivation |
10/18/1979 | WO1979000782A1 Motor pump with impeller rotor |
08/07/1979 | US4163368 Centrifugal replenishing pump for a hydrostatic pump motor system |
07/31/1979 | US4163164 Split magnet drive |
07/24/1979 | US4162137 Submersible, hydraulically-driven pump rotating about a vertical axis |
07/17/1979 | CA1058479A1 Automatically operative pumping equipment |
06/19/1979 | CA1056889A1 High-speed rotation system |
05/01/1979 | US4152099 Magnetically coupled pump and impeller assembly therefor |
05/01/1979 | US4152097 Deep well pump adapter with inflatable seal means |
03/13/1979 | US4143488 Fuel supply unit |
02/27/1979 | US4142108 Geothermal energy conversion system |
02/06/1979 | US4138202 Hydraulic motor system for driving a submersible impeller pump in which reversal of hydraulic flow is prevented |
01/23/1979 | US4135863 Impeller for a magnetically coupled pump |
01/23/1979 | US4135253 Centrifugal blood pump for cardiac assist |
01/16/1979 | US4134712 Fuel supply unit consisting of a pump and an electromotor |
01/16/1979 | US4134711 Submersible pump apparatus |
12/19/1978 | CA1044515A1 Electromagnetically driven pumps |
12/05/1978 | US4128365 Fuel supply unit |
11/21/1978 | US4126406 Cooling of downhole electric pump motors |
11/07/1978 | US4124332 Automatically operative pumping equipment |
11/07/1978 | CA1042047A1 Variable reluctance motor pump |
10/17/1978 | US4120618 Permanent magnetic centrifugal pump |
10/03/1978 | US4118142 Dual-pump coupling |
09/19/1978 | US4115040 Permanent magnet type pump |
09/19/1978 | US4115038 Motor driven pump |
09/12/1978 | CA1038262A1 Self-monitored fluid pressure booster system |
08/29/1978 | US4110059 Pumping device |
08/22/1978 | US4108499 Method and control system for controlling a suspended implement |
07/18/1978 | US4101139 Bearing bracket assembly for a submersible motor driven pump |
06/27/1978 | US4097307 Fill control for an automatic dishwasher |
05/30/1978 | US4091687 High-speed rotation system |
05/16/1978 | US4089620 Floating pumping device |
05/02/1978 | USRE29620 Self-monitored fluid pressure booster system |
05/02/1978 | US4087204 Enclosed sump pump |
04/25/1978 | US4086306 Centrifugal pump |
04/25/1978 | US4086030 Free fluid-operated well turbopump |
04/18/1978 | US4084924 Pump-motor assemblage for circulating a coolant |
04/04/1978 | US4082482 Articulated turbine pump |
04/04/1978 | US4082376 Bearing arrangement |
03/21/1978 | US4080112 Magnetically-coupled pump |
03/21/1978 | US4080106 Purged valve assembly and method of sealing |
03/07/1978 | US4077220 Gravity head geothermal energy conversion system |
02/07/1978 | US4072446 Electromagnetically driven pumps |
01/17/1978 | US4069101 Self-compensating level control for sump suction pumps |
01/10/1978 | US4067665 Turbine booster pump system |
12/27/1977 | US4065234 Magnetically driven rotary pumps |
12/27/1977 | US4065232 Liquid pump sealing system |
12/27/1977 | US4065231 Motor driven pump |
12/06/1977 | US4061439 Impeller pump and vane pump assembly with clutch deactivation |
12/06/1977 | US4061187 Dual cooling system |