LandOfFree - US Patents - Listing for Aeronautics and astronautics

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes

Helicopter propulsion and control system

Aeronautics and astronautics – Miscellaneous

Helicopter protector

Aeronautics and astronautics – Aircraft control – Automatic

Helicopter pylon-fuselage coupling for expanded CG range

Aeronautics and astronautics – Landing field arrangement – Mooring devices

Helicopter rapid securing & traversing system

Aeronautics and astronautics – Aircraft structure – Fuselage and body construction

Helicopter removable drive train platform

Aeronautics and astronautics – Aircraft structure – Passenger or cargo loading or discharging

Helicopter rescue basket

Aeronautics and astronautics – Aircraft structure – Passenger or cargo loading or discharging

Helicopter rescue device

Aeronautics and astronautics – Aircraft structure – Passenger or cargo loading or discharging

Helicopter rope installation with a quick release clasp

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes

Helicopter rotor

Aeronautics and astronautics – Aircraft structure – Airfoil construction

Helicopter rotor and method of repairing same

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes

Helicopter rotor and transmission mounting and vibration isolati

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes

Helicopter rotor control system with individual blade control

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes

Helicopter rotor control systems

Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and helicopter sustained

Helicopter rotor speed changing transmission

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes

Helicopter rotor thrust ring

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes

Helicopter rotor transmission systems

Aeronautics and astronautics – Aircraft structure – Fuselage and body construction

Helicopter seat isolation system

Aeronautics and astronautics – Aircraft structure – Fuselage and body construction

Helicopter seat safety system

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes

Helicopter single-blade rotor