Assignee
DRILEX LTD
GB·3 granted patents·117 citations·filing 1986–1987
Top patents by PatentIndex Score
3 records- 0182US4775017ADrilling using downhole drilling toolsDRILEX LTD·Filed 1987·Granted Oct 4, 1988·72 cites·10 claims
- 0271US4796704ADrop ball sub-assembly for a down-hole deviceDRILEX LTD·Filed 1986·Granted Jan 10, 1989·29 cites·9 claims
- 0343US4844179ADrill string stabilizerDRILEX LTD·Filed 1986·Granted Jul 4, 1989·16 cites·6 claims
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