Assignee
DWJ INC
US·4 granted patents·9 citations·filing 2014–2016
Top patents by PatentIndex Score
4 records- 0189US9404321B2Oilfield lift cap and combination toolsDWJ INC·Filed 2015·Granted Aug 2, 2016·6 cites·21 claims
- 0268US9404341B2Release tool for a drill string inside blowout preventerDWJ INC·Filed 2014·Granted Aug 2, 2016·3 cites·23 claims
- 0351US10012040B2Methods of using oilfield lift caps and combination toolsDWJ INC·Filed 2016·Granted Jul 3, 2018·0 cites·12 claims
- 0438US9771766B2Release tool with adjustable release rod for a drill string inside blowout preventerDWJ INC·Filed 2016·Granted Sep 26, 2017·0 cites·20 claims
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