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Cover, fluid end and plunger pump
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Patent number 12,044,234
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Issue date Jul 23, 2024
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Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
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Xiaobin Li
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Fluid end block for frac pump
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Patent number 11,225,861
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Issue date Jan 18, 2022
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KHOLLE Magnolia 2015, LLC
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Mark C. Dille
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E21 - EARTH DRILLING MINING
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Hydraulic arrangement
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Patent number 10,145,366
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Issue date Dec 4, 2018
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Danfoss A/S
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Stig Kildegaard Andersen
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Piston type compressor
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Patent number 9,470,224
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Issue date Oct 18, 2016
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Kabushiki Kaisha Toyota Jidoshokki
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Takahisa Ban
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Positive-displacement pump
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Patent number 5,655,891
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Issue date Aug 12, 1997
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Sedepro
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Michel Deal
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Hydraulic power transfer unit
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Patent number 4,429,707
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Issue date Feb 7, 1984
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McDonnell Douglas Corporation
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Wilfred E. Boehringer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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-
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Hydraulic power transfer unit
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Patent number 4,286,927
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Issue date Sep 1, 1981
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McDonnell Douglas Corporation
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Wilfred E. Boehringer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Hydraulic swash plate pumps
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Patent number 3,981,630
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Issue date Sep 21, 1976
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Gerard Leduc
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3143076
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Patent number 3,143,076
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Issue date Aug 4, 1964
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2982215
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Patent number 2,982,215
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Issue date May 2, 1961
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2636438
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Patent number 2,636,438
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Issue date Apr 28, 1953
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2479876
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Patent number 2,479,876
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Issue date Aug 23, 1949
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2448347
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Patent number 2,448,347
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Issue date Aug 31, 1948
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2403854
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Patent number 2,403,854
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Issue date Jul 9, 1946
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2248449
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Patent number 2,248,449
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Issue date Jul 8, 1941
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2074450
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Patent number 2,074,450
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Issue date Mar 23, 1937
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1978595
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Patent number 1,978,595
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Issue date Oct 30, 1934
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1545038
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Patent number 1,545,038
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Issue date Jul 7, 1925
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...