Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
William Brown-Kerr0
John Knight0
Simon Benedict Fraser0
Date of Patent
June 17, 2008
0Patent Application Number
104826790
Date Filed
July 1, 2002
0Patent Citations Received
Patent Primary Examiner
Patent abstract
There is disclosed an electrically insulating device in the form of a sleeve (12) for a downhole tool, for electrically insulating a first threaded electrically conductive member in the form of an anchor sub (16) from a second threaded electrically conductive member in the form of an insulated sub (18).
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