Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Subsea gate valve actuator with external manual override and drift adjustment

Subsea gate valve actuator with external manual override and drift adjustment

US Patent 4650151 · Granted Mar 17, 1987

Estimated economic value: $4,665,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fire-resistant gate valve1986
Valve stem-to-bonnet backseat1985