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Downhole Mechanical Actuator
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Publication number 20220316289
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Publication date Oct 6, 2022
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Hughes Tool Company LLC
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William James Hughes
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E21 - EARTH DRILLING MINING
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Annular Pressure Control Diverter
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Publication number 20220018209
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Publication date Jan 20, 2022
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Hughes Tool Company LLC
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William James Hughes
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E21 - EARTH DRILLING MINING
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Jet Pump Drilling Assembly
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Publication number 20210340827
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Publication date Nov 4, 2021
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Hughes Tool Company LLC
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William James Hughes
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E21 - EARTH DRILLING MINING
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LOBULAR CONNECTION FOR TUBULARS
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Publication number 20190366649
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Publication date Dec 5, 2019
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Intrinsic Energy Technology, LLC
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William James Hughes
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Annular Drilling Device
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Publication number 20170089164
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Publication date Mar 30, 2017
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SUNSTONE TECHNOLOGIES, LLC
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William James Hughes
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E21 - EARTH DRILLING MINING
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Annular Drilling Device
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Publication number 20150376970
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Publication date Dec 31, 2015
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SUNSTONE TECHNOLOGIES, LLC
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William James Hughes
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E21 - EARTH DRILLING MINING
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Flapper Valve and Actuator
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Publication number 20080035353
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Publication date Feb 14, 2008
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William James Hughes
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E21 - EARTH DRILLING MINING
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Split ball valve
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Publication number 20050252660
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Publication date Nov 17, 2005
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William James Hughes
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E21 - EARTH DRILLING MINING
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