Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › VTOL altitude hold system with automatic ground effect compensation

VTOL altitude hold system with automatic ground effect compensation

US Patent 4603388 · Granted Jul 29, 1986

Estimated economic value: $9,486,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

High authority stability and control augmentation system2020
Rotorcraft autopilot control2018
High authority stability and control augmentation system2018
Automatic fluid sampling and monitoring apparatus and method1992
Automatic fluid sampling and flow measuring apparatus and method1992
Individual blade control system for helicopters1990
Approach to hover control system for helicopters1989
Sensor controlled sampling apparatus and method1987
Cross axis torque limiter for helicopter autopilot1986
Three cue flight director system for helicopters1986
Three cue flight director system for helicopters1986
Approach to hover control system for helicopters1985