Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Counter-torque device with ducted tail rotor and ducted flow-straightening stator, for helicopters

Counter-torque device with ducted tail rotor and ducted flow-straightening stator, for helicopters

US Patent 5498129 · Granted Mar 12, 1996

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and an aircraft for minimizing the risks of the aircraft toppling on the 2017
Method of driving a main rotor of a rotorcraft in rotation in compliance with a 2015
Device for controlling a helicopter hybrid countertorque system2001
Device for control of an aerodynamic steering surface of a helicopter2000
Device for controlling an aerodynamic surface for balancing a helicopter in term2000
Helicopter landing gear with skids1999
Method of making a composite flow-straightener vane1999
Flow-straightener vane for counter-torque device with ducted rotor and ducted fl1997
Flow-straightener vane made of composite, flow-straightener including it, for a 1997
Method of producing a frame made of a composite material, especially for the fus1992
Frame made of a composite material, especially for the fuselage of an aircraft, 1991