Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Brian Daniel Winter0
Date of Patent
November 30, 2010
0Patent Application Number
120756130
Date Filed
March 12, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Extension systems for iron roughnecks are provided. These systems are equipment apparatuses and extendable/retractable supports for devices used for connecting and disconnecting tubular members (e.g. casing, tubing, pipe, or drill pipe) on drill rigs. The systems in particular relate to iron roughnecks, and methods of moving them on a drilling rig.
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