Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Aircraft door counterbalance system

Aircraft door counterbalance system

US Patent 4601446 · Granted Jul 22, 1986

Estimated economic value: $16,205,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hold-open lock1988
Counterbalanced hinge assembly1986
Flap torque tube slot seal1986
Powered outward-opening cargo door1985
Spring operated counterbalance hinge assembly for aircraft doors1984
Canopy-type aircraft cargo door and actuating mechanisms1984