Assignee
BERTELSEN JEFFREY LEE
US·2 granted patents·2 pending applications·6 citations·filing 2013–2016
Top patents by PatentIndex Score
4 records- 0170US9567816B2Low maintenance iron roughneck system with replaceable modular components thereofBERTELSEN JEFFREY LEE·Filed 2014·Granted Feb 14, 2017·5 cites·25 claims
- 0251US9359839B2Variable diameter pipe clamp apparatus and torque module thereforeBERTELSEN JEFFREY LEE·Filed 2013·Granted Jun 7, 2016·1 cites·15 claims
- 0337US2014119821A1Insert slot and method of forming an insert slot in a rotary hand slipBERTELSEN JEFFREY LEE·Filed 2013·Application pending·0 cites
- 0428US2016340997A1Insert slot of a slip assembly used in drilling and method of forming the insert slotBERTELSEN JEFFREY LEE·Filed 2016·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →