Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Power tongs and control system

Power tongs and control system

US Patent 4579024 · Granted Apr 1, 1986

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Power tongs and control system1991
Power chain wrench1988
Power tongs with hydraulic friction grip for speciality tubing1987
Power tongs controller with persisting torque1987
Power tongs control system1985
Casing scraper and method for making the same1984
Dual string spider1983
Dual string elevators1982