Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Upwardly opening plug-type door for use as an over-wing emergency hatch

Upwardly opening plug-type door for use as an over-wing emergency hatch

US Patent 5064147 · Granted Nov 12, 1991

Estimated economic value: $29,527,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Plug-type overwing emergency exit door assembly1999
Handle assembly for an aircraft door or the like1992
Upward/outward opening, plug-type overwing emergency exit hatch1991
Hinge mechanism for aircraft door1989
Spring operated counterbalance hinge assembly for aircraft doors1984
Cam operated counterbalance assembly for aircraft doors1984
Adjustable exercise apparatus1980
Water-filled chair1980