Patent assignee · GB · COMPANY

Drilltech Services (North Sea), Ltd.

1Patents
0Active
1Granted
23Portfolio score

Filing activity: Apr 4, 1996 → Apr 4, 1996

Most-cited patents

PatentTitleAreaCited byStatus
US5806615A Apparatus for use in a wellbore Mechanical Engineering; Lighting; Heating 18 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.