Assignee
SLIMDRIL INTERNATIONAL INC
US·6 granted patents·485 citations·filing 1989–1994
Technology mixE21B6
Top patents by PatentIndex Score
6 records- 0191US5036921AUnderreamer with sequentially expandable cutter bladesSLIMDRIL INTERNATIONAL INC·Filed 1990·Granted Aug 6, 1991·214 cites·34 claims
- 0279US5090480AUnderreamer with simultaneously expandable cutter blades and methodSLIMDRIL INTERNATIONAL INC·Filed 1990·Granted Feb 25, 1992·86 cites·25 claims
- 0373US4936397AEarth drilling apparatus with control valveSLIMDRIL INTERNATIONAL INC·Filed 1989·Granted Jun 26, 1990·46 cites·16 claims
- 0472US5396966ASteering sub for flexible drillingSLIMDRIL INTERNATIONAL INC·Filed 1994·Granted Mar 14, 1995·59 cites·28 claims
- 0570US5060738AThree-blade underreamerSLIMDRIL INTERNATIONAL INC·Filed 1990·Granted Oct 29, 1991·58 cites·13 claims
- 0642US5320179ASteering sub for flexible drillingSLIMDRIL INTERNATIONAL INC·Filed 1992·Granted Jun 14, 1994·22 cites·26 claims
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