Assignee
VECTOR OIL TOOL LTD
CA·4 granted patents·135 citations·filing 1992–1995
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0175US5343966AAdjustable bent housingVECTOR OIL TOOL LTD·Filed 1992·Granted Sep 6, 1994·66 cites·1 claims
- 0260US5377771ASealed bearing assembly used in earth drillingVECTOR OIL TOOL LTD·Filed 1993·Granted Jan 3, 1995·36 cites·13 claims
- 0348US5647446ATwo way hydraulic drilling jarVECTOR OIL TOOL LTD·Filed 1995·Granted Jul 15, 1997·27 cites·9 claims
- 0431US5351766AFlow restricter for mud lubricated earth drilling motorsVECTOR OIL TOOL LTD·Filed 1992·Granted Oct 4, 1994·6 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →