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US Patent 9771761 Torque enhanced threaded connection

Patent 9771761 was granted and assigned to National Oilwell Varco on September, 2017 by the United States Patent and Trademark Office.

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Patent
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Current Assignee
National Oilwell Varco
National Oilwell Varco
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
97717610
Patent Inventor Names
Ryan Gee0
Nicholas Ryan Marchand0
Duane Wang0
Date of Patent
September 26, 2017
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Patent Application Number
138088700
Date Filed
July 7, 2011
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Patent Citations Received
‌
US Patent 11668415 Lockable connection between tubular members
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Patent Primary Examiner
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Gregory Binda
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Patent abstract

Apparatus and method for increasing the torque capacity of threaded connections between tubular members. The apparatus may include a first tubular end coupled with a second tubular end, and a torque member wherein the torque member is torqued against the second tubular member and wherein tapered surfaces are engaged between the torque member and the first tubular member at a tapered surface interface.

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