Assignee
KNULL CRAIG
CA·3 granted patents·18 citations·filing 2011–2012
Top patents by PatentIndex Score
3 records- 0181US8881848B2Fixed cutter drill bit with rotating cutter discKNULL CRAIG·Filed 2012·Granted Nov 11, 2014·14 cites·16 claims
- 0273US8851204B2Mud motor with integrated percussion tool and drill bitKNULL CRAIG·Filed 2012·Granted Oct 7, 2014·3 cites·12 claims
- 0353US9038752B2Rotary drag bitKNULL CRAIG·Filed 2011·Granted May 26, 2015·1 cites·16 claims
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