Assignee
CENAC MARTIN
US·2 granted patents·2 citations·filing 2011–2011
Top patents by PatentIndex Score
2 records- 0158US8678110B2Mud saver valve and method of operation of sameCENAC MARTIN·Filed 2011·Granted Mar 25, 2014·2 cites·8 claims
- 0244US8474473B1Method of direct hot tapping into a multiple production string without removing outer layers of casingCENAC MARTIN·Filed 2011·Granted Jul 2, 2013·0 cites·20 claims
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