Assignee

DRILEX LTD

GB3 patents

Top patents by PatentIndex Score

US4775017AOct 4, 1988

Drilling using downhole drilling tools

DRILEX LTD72 citations94

US4796704AJan 10, 1989

Drop ball sub-assembly for a down-hole device

DRILEX LTD29 citations90

US4844179AJul 4, 1989

Drill string stabilizer

DRILEX LTD16 citations71