Assignee
BOUAPHANH INPENG
US·3 granted patents·12 citations·filing 2010–2011
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0176US8522899B2Wear resistant material at the shirttail edge and leading edge of a rotary cone drill bitBOUAPHANH INPENG·Filed 2010·Granted Sep 3, 2013·9 cites·50 claims
- 0256US8528667B2Wear resistant material at the leading edge of the leg for a rotary cone drill bitBOUAPHANH INPENG·Filed 2011·Granted Sep 10, 2013·2 cites·31 claims
- 0351US8534390B2Wear resistant material for the shirttail outer surface of a rotary cone drill bitBOUAPHANH INPENG·Filed 2010·Granted Sep 17, 2013·1 cites·38 claims
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