Tools – Wrench – screwdriver – or driver therefor – Machine
Reexamination Certificate
2008-03-13
2009-10-13
Thomas, David B (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Machine
C081S057150, C081S186000, C175S423000
Reexamination Certificate
active
07600450
ABSTRACT:
A gripper is disclosed for gripping a tubular, e.g. to facilitate rotation of the tubular, the gripper including a body, the body having conformable material having an initial body shape, and the conformable material able to change the initial body shape upon contacting a tubular with the body, the tubular having a tubular shape, the conformable material able to conform to the tubular shape of the tubular to facilitate gripping of the tubular with the gripper. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).
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Becker Matthew David
McClung, III Guy L.
Montgomery Timothy I.
McClung Guy
National Oilwell Varco LP
Thomas David B
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