Assignee
PERFORMANCE RES & DRILLING LLC
US·3 granted patents·135 citations·filing 2001–2002
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0181US6964303B2Horizontal directional drilling in wellsPERFORMANCE RES & DRILLING LLC·Filed 2002·Granted Nov 15, 2005·56 cites·33 claims
- 0278US6578636B2Horizontal directional drilling in wellsPERFORMANCE RES & DRILLING LLC·Filed 2001·Granted Jun 17, 2003·49 cites·39 claims
- 0369US6889781B2Horizontal directional drilling in wellsPERFORMANCE RES & DRILLING LLC·Filed 2002·Granted May 10, 2005·30 cites·21 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →