Assignee
ALBERTA BASIC IND LTD
3 granted patents·116 citations·filing 1996–1999
Top patents by PatentIndex Score
3 records- 0168US5875841AOil well blow-out preventerALBERTA BASIC IND LTD·Filed 1997·Granted Mar 2, 1999·55 cites·6 claims
- 0254US5794693ADual tubing string hanging apparatusALBERTA BASIC IND LTD·Filed 1996·Granted Aug 18, 1998·33 cites·27 claims
- 0347US6199630B1Pull-through tubing string rotator for an oil wellALBERTA BASIC IND LTD·Filed 1999·Granted Mar 13, 2001·28 cites·14 claims
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