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US Patent 8376057 Tubing hanger seal
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Patent
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Date Filed
August 19, 2009
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Date of Patent
February 19, 2013
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Patent Application Number
12543912
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Patent Citations Received
US Patent 11952854 Tubing hanger alignment device with plug-based alignment mechanism
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US Patent 11686171 Tubing hanger alignment device with helical slot alignment mechanism
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US Patent 11686172 Tubing hanger alignment device with torsional spring alignment mechanism
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Patent Inventor Names
Paulo Cezar Silva Paulo
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Charles Li
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Nick Newlands
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Oystein Mogedal
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Andy Dyson
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Patent Jurisdiction
United States Patent and Trademark Office
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Patent Number
8376057
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Patent Primary Examiner
David Andrews
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