Assignee
GRAINGER ROBERT
CA·2 granted patents·1 pending application·4 citations·filing 2013–2014
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0152US9605510B2Non-rotating connector for wellbore cementing toolGRAINGER ROBERT·Filed 2014·Granted Mar 28, 2017·2 cites·18 claims
- 0252US9441450B2Wellbore cementing toolGRAINGER ROBERT·Filed 2013·Granted Sep 13, 2016·2 cites·14 claims
- 0338US2014338889A1Non-rotating wellbore tool and sealing method thereforGRAINGER ROBERT·Filed 2014·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →