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Landing pipe
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Patent number 11,408,234
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Issue date Aug 9, 2022
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Grant Prideco, L.P.
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Henry Yang
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E21 - EARTH DRILLING MINING
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Landing pipe
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Patent number 10,145,182
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Issue date Dec 4, 2018
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TUBOSCOPE VETCO (FRANCE) SAS
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Henry Yang
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E21 - EARTH DRILLING MINING
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Shale drill pipe
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Patent number 9,222,314
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Issue date Dec 29, 2015
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Vallourec Drilling Products USA, Inc.
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Mazhar Mahmood
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Shale drill pipe
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Patent number D726289
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Issue date Apr 7, 2015
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Vam Drilling USA, Inc.
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Mazhar Mahmood
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D23 - Environmental heating and cooling
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Drill stem connection
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Patent number 7,210,710
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Issue date May 1, 2007
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Omsco, Inc.
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Joseph Stephen Williamson
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E21 - EARTH DRILLING MINING