Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Underwater well installations and handling string joint therefor

Underwater well installations and handling string joint therefor

US Patent 4340117 · Granted Jul 20, 1982

Estimated economic value: $6,764,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Base for a generator2016
Nested cyclinder compact blowout preventer2016
Roof panel2015
Valve with removable insert1992
Clamped body replacement tool1991
Clamp connector1989
Valve mounting and block manifold1989
Method and apparatus for sealing between two concentric members1986
Method and apparatus for independent support of well pipe hangers1985
1-Pyrimidinyloxy-3-hetaryl-alkylamino-2-propanols1985
Self-levelling underwater structure1985
Multiple flowline connector1984