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POWER SUPPLY FOR A TOP DRIVE
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Publication number 20190085639
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Publication date Mar 21, 2019
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Weatherford Technology Holdings, LLC.
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Frank WERN
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E21 - EARTH DRILLING MINING
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MODULAR ADAPTER FOR TONGS
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Publication number 20190017335
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Publication date Jan 17, 2019
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Weatherford Technology Holdings, LLC.
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Federico AMEZAGA
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E21 - EARTH DRILLING MINING
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TUBULAR HANDLING TOOL
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Publication number 20170342783
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Publication date Nov 30, 2017
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Weatherford Technology Holdings, LLC.
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Karsten HEIDECKE
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E21 - EARTH DRILLING MINING
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POWER SUPPLY FOR A TOP DRIVE
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Publication number 20170211327
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Publication date Jul 27, 2017
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Weatherford Technology Holdings, LLC.
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Frank WERN
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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MODULAR ADAPTER FOR TONGS
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Publication number 20160123094
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Publication date May 5, 2016
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Weatherford Technology Holdings, LLC.
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Federico AMEZAGA
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E21 - EARTH DRILLING MINING
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TUBULAR HANDLING TOOL
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Publication number 20140326467
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Publication date Nov 6, 2014
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WEATHERFORD/LAMB, INC.
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Karsten HEIDECKE
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E21 - EARTH DRILLING MINING
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