Patent assignee · US · COMPANY

Sedco, Inc.

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14Patents
0Active
14Granted
29Portfolio score

Filing activity: Oct 31, 1977 → Aug 25, 1983

Most-cited patents

PatentTitleAreaCited byStatus
US4210208A Subsea choke and riser pressure equalization system Fixed Constructions 92 Expired
US4351261A Riser recoil preventer system Performing Operations; Transporting 38 Expired
US4281615A Self-propelled semi-submersible service vessel Performing Operations; Transporting 21 Expired
US4487150A Riser recoil preventer system Performing Operations; Transporting 20 Expired
US4537533A Installation and levelling of subsea templates Performing Operations; Transporting 19 Expired
US4435108A Method of installing sub-sea templates Performing Operations; Transporting 18 Expired
US4471708A Self-propelled semi-submersible service vessel Performing Operations; Transporting 15 Expired
US4352596A Stab system for equipment removal Fixed Constructions 10 Expired
US4589802A Slip assembly for subsea template Performing Operations; Transporting 8 Expired
US4356789A Emergency evacuation system for offshore oil platform Fixed Constructions 6 Expired
US4372395A Stab water supply system Fixed Constructions 6 Expired
US4421051A Auxiliary boom for emergency evacuation Performing Operations; Transporting 6 Expired
US4300585A Automatic dump valve Emerging Cross-Sectional Technologies 3 Expired
US4429622A Pressure responsive actuator for use with an automatic dump valve Emerging Cross-Sectional Technologies 2 Expired

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