Rotary pump turbine publications

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Patents Grantslast 30 patents

Information Patent Grant
Downhole pump assembly and method of recovering well fluids
- Patent number 7,686,075
- Issue date Mar 30, 2010
- Rotech Holdings Limited
- Kenneth Roderick Stewart
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Viscous drag impeller components incorporated into pumps, turbines...
- Patent number 6,779,964
- Issue date Aug 24, 2004
- Daniel Christopher Dial
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Superalloys with improved weldability for high temperature applicat...
- Patent number 6,284,392
- Issue date Sep 4, 2001
- Siemens Westinghouse Power Corporation
- Brij B. Seth
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for pumping a gas/liquid mixture in an oil extraction well...
- Patent number 5,173,022
- Issue date Dec 22, 1992
- Societe Nationale Elf Aquitaine (Production)
- Daniel Sango
- E21 - EARTH DRILLING MINING
Information Patent Grant
1631069
- Patent number 1,631,069
- Issue date May 31, 1927
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...