| Patents for F04D 13 - Pumping installations or systems (12,375) |
|---|
| 07/05/1983 | US4391475 Column insert bearing housing |
| 06/21/1983 | US4389160 High speed centrifugal pump and method for operating same at reduced noise levels |
| 06/14/1983 | CA1148024A1 Fluid circulating pump |
| 06/07/1983 | US4386653 Anti-gas locking apparatus |
| 06/07/1983 | CA1147597A1 Fluid-handling apparatus |
| 06/07/1983 | CA1147596A1 Axial balancing system for motor driven pumps |
| 06/01/1983 | EP0080049A1 Submersible pump |
| 05/11/1983 | WO1983001660A1 Pump system for placing in explosively dangerous locations on board a tanker |
| 05/11/1983 | EP0078345A1 Centrifugal pump with axial thrust compensation driven by an air-gap sleeve motor |
| 04/26/1983 | US4381175 Jet electric pump |
| 04/13/1983 | EP0076739A1 Device for pumping liquid, and apparatus fitted with such a device |
| 04/12/1983 | US4379561 Well packer |
| 03/22/1983 | US4377763 Seal section for a downhole pumping unit |
| 03/15/1983 | CA1142795A1 Well pump with through access for wire line operation |
| 03/08/1983 | US4375943 Embankment pump |
| 03/01/1983 | CA1141930A1 Heat-insulated container provided with a locating and/or supporting device |
| 02/15/1983 | US4373860 Submersible hydraulic pump of the axially directed inlet and tangential outlet type |
| 02/08/1983 | US4372379 Rotary drive assembly for downhole rotary pump |
| 02/03/1983 | WO1983000364A1 A motor-pump assembly |
| 02/01/1983 | CA1140458A1 Submersible motor-pump |
| 01/26/1983 | EP0070530A1 Side channel pump with auxiliary radial blades |
| 01/26/1983 | EP0070529A1 Regenerative pump |
| 01/26/1983 | EP0070438A1 In-line centrifugal pump |
| 01/19/1983 | EP0069828A2 Downhole steam generator and turbopump |
| 01/05/1983 | EP0068948A1 Electrically driven motor pump with a flooded rotor |
| 12/14/1982 | US4363359 Locking assembly for well devices |
| 12/01/1982 | EP0065922A1 Primary pump for a pressurized water reactor, having a seal arrangement for its shaft |
| 10/27/1982 | EP0063444A1 Electrically driven submersible pump system |
| 10/19/1982 | US4354554 Well safety valve |
| 10/05/1982 | CA1132841A2 Through flow sump pump |
| 09/30/1982 | WO1982003176A1 Megnetically suspended and rotated impellor pump apparatus and method |
| 09/29/1982 | EP0060993A2 Magnetic drive for a liquid pump |
| 09/22/1982 | EP0060569A1 Magnetically suspended and rotated impellor pump apparatus |
| 09/22/1982 | EP0060402A1 Safety installation for avoiding over-speed of the drive motor of the pump for the primary cooling medium in a water-cooled nuclear reactor |
| 09/21/1982 | US4350911 Tandem connected submersible oil well pump motors |
| 09/21/1982 | US4350011 Pumping apparatus for fluid |
| 09/01/1982 | EP0058882A1 An apparatus for forming an element-free gap in a continuous slide fastener chain |
| 08/24/1982 | US4345884 Pump drive |
| 08/11/1982 | EP0057531A2 Well packer |
| 08/10/1982 | CA1129250A1 Fluid circulation helico-centrifugal pump |
| 07/28/1982 | EP0056440A1 A canned motor pump for use in the high temperature |
| 07/13/1982 | CA1127458A1 Coaxial pump and motor |
| 07/06/1982 | US4337830 Pump assembly |
| 06/30/1982 | EP0055012A1 Pump isolation valve |
| 06/30/1982 | EP0054896A1 Water pump for an internal-combustion engine |
| 06/22/1982 | US4336002 Two stage pump having an electromotor device |
| 05/18/1982 | US4330306 Gas-liquid separator |
| 05/11/1982 | US4329122 Submersible motor apparatus |
| 04/01/1982 | WO1982001039A1 Underwater pump |
| 03/23/1982 | US4321018 Pump assembly driven by an endless conveyer |
| 03/16/1982 | US4320431 Fluid circulating pump |
| 02/02/1982 | US4313898 Radial injector for aspiration of gases |
| 02/02/1982 | US4313784 Evaporator turbine |
| 02/02/1982 | US4313498 Means for stabilizing equipment supported in an enclosure |
| 01/19/1982 | US4311937 Axial gap electric motors |
| 01/07/1982 | WO1982000049A1 Method and device for controlling pressure of rotating shaft seal and fluid feed pump |
| 01/06/1982 | EP0043162A1 Improvements in electrically powered, submersible centrifugal pumps |
| 01/05/1982 | US4309157 Protection device and sump pump |
| 01/05/1982 | CA1115599A1 Automatic control system for centrifugal pumps |
| 12/30/1981 | EP0042402A1 Pump having magnetic drive |
| 12/08/1981 | US4304532 Pump having magnetic drive |
| 11/24/1981 | CA1112944A1 Submersible pump system using a submersible internal combustion engine |
| 11/11/1981 | EP0039644A1 Return prevention device for a pump shaft |
| 11/04/1981 | EP0039101A1 A heat-insulated container provided with a locating and/or supporting device |
| 10/20/1981 | US4295797 Fuel supply pump |
| 10/13/1981 | US4294573 Submersible electrically powered centrifugal and jet pump assembly |
| 10/06/1981 | US4293288 Submersible pump housing |
| 09/29/1981 | US4292011 Turbo pump gas compressor |
| 09/22/1981 | US4290153 Method and apparatus for generating a controlled current flow and waves in a water pool |
| 09/15/1981 | US4289456 Underwater pump |
| 09/01/1981 | CA1108012A1 Oilroom |
| 09/01/1981 | CA1108011A1 Articulated turbine pump |
| 08/25/1981 | US4285631 Radial flow centrifugal impeller |
| 08/11/1981 | CA1106697A1 Submersible pump arrangement |
| 07/28/1981 | US4280793 Bore hole pumps |
| 07/14/1981 | US4278399 Pumping stage for multi-stage centrifugal pump |
| 07/07/1981 | US4277707 High speed magnetic coupling |
| 07/07/1981 | US4276981 Pump assembly |
| 06/30/1981 | US4276002 Turbopump unit for deep wells and system |
| 06/30/1981 | CA1103990A1 Through flow sump pump |
| 06/25/1981 | WO1981001727A1 Pump having magnetic drive |
| 06/23/1981 | US4274803 High-pressure centrifugal pump unit |
| 06/09/1981 | CA1102711A1 Rotary reverse osmosis apparatus and method |
| 05/26/1981 | US4269573 Pump drive mechanism for an evaporative cooler |
| 05/12/1981 | US4266914 Magnetic drive laboratory pump |
| 05/05/1981 | CA1100358A1 Hydraulic machine |
| 04/28/1981 | US4264285 Downhole cleaner assembly for cleansing lubricant of downhole turbo-machines within wells |
| 04/21/1981 | US4262786 Drive coupling |
| 04/15/1981 | EP0027077A1 Compact pump driven by an electric motor |
| 04/07/1981 | US4260334 Ground dewatering system |
| 03/24/1981 | US4257745 Automatic control system for centrifugal pumps |
| 03/17/1981 | US4255936 Heat pump water heater |
| 03/10/1981 | US4255095 Turbopump |
| 01/28/1981 | EP0023126A1 Electric well pump |
| 01/27/1981 | US4247265 Centrifugal pump for small throughputs, particularly for water circulation in aquariums and the like |
| 01/06/1981 | US4243892 Energy-efficient fluid medium pumping system |
| 01/06/1981 | CA1092949A1 Fill control for an automatic dishwasher |
| 12/30/1980 | CA1092686A1 Method and control system for controlling a suspended implement on variations of the position of the implement in relation to a suspension point |
| 11/25/1980 | US4235569 Submersible pump for radioactive liquids |
| 11/25/1980 | CA1090489A1 Floating pumping device |