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Electric/hydraulic safety valve
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Patent number 11,885,202
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Issue date Jan 30, 2024
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Halliburton Energy Services, Inc.
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James Dan Vick
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E21 - EARTH DRILLING MINING
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Rotor mechanism
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Patent number 9,714,573
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Issue date Jul 25, 2017
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ROTOMOTOR LIMITED
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Jonathan Roy Graham Marsh
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Single screw compressor with high output
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Patent number 9,057,373
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Issue date Jun 16, 2015
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Vilter Manufacturing LLC
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Jean-Louis Picouet
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Screw pump
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Patent number 6,447,275
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Issue date Sep 10, 2002
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Anders Johansson
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Rotary pivoted vane pump
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Patent number 4,465,445
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Issue date Aug 14, 1984
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Sommer geb. Heyd; Ursula
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Manfred Sommer
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Hydraulic servo mechanism
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Patent number 4,194,437
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Issue date Mar 25, 1980
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Mark E. Rosheim
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Rotary vane-type pump
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Patent number 4,082,485
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Issue date Apr 4, 1978
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Wolf; Helmut
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Manfred Sommer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Rotary piston pump
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Patent number 3,985,479
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Issue date Oct 12, 1976
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Manfred Sommer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3895893
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Patent number 3,895,893
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Issue date Jul 22, 1975
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3324802
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Patent number 3,324,802
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Issue date Jun 13, 1967
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3296975
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Patent number 3,296,975
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Issue date Jan 10, 1967
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3094966
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Patent number 3,094,966
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Issue date Jun 25, 1963
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3048326
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Patent number 3,048,326
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Issue date Aug 7, 1962
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2625885
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Patent number 2,625,885
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Issue date Jan 20, 1953
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2577361
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Patent number 2,577,361
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Issue date Dec 4, 1951
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2557427
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Patent number 2,557,427
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Issue date Jun 19, 1951
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2436285
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Patent number 2,436,285
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Issue date Feb 17, 1948
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2431817
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Patent number 2,431,817
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Issue date Dec 2, 1947
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1999339
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Patent number 1,999,339
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Issue date Apr 30, 1935
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1955486
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Patent number 1,955,486
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Issue date Apr 17, 1934
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1946097
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Patent number 1,946,097
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Issue date Feb 6, 1934
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1942441
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Patent number 1,942,441
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Issue date Jan 9, 1934
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1785140
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Patent number 1,785,140
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Issue date Dec 16, 1930
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1761379
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Patent number 1,761,379
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Issue date Jun 3, 1930
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1619514
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Patent number 1,619,514
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Issue date Mar 1, 1927
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1352237
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Patent number 1,352,237
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Issue date Sep 7, 1920
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1332153
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Patent number 1,332,153
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Issue date Feb 24, 1920
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1327517
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Patent number 1,327,517
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Issue date Jan 6, 1920
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1284768
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Patent number 1,284,768
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Issue date Nov 12, 1918
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS