Patents
Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112)
04/1976
04/13/1976US3950115 Plastics rotor blade
03/1976
03/23/1976US3945628 Nodal beam inertial flexure
03/23/1976US3945256 Helicopter rotor balancing apparatus and method
03/09/1976US3942910 Grip-yoke assembly with a redundant centrifugal load support
03/09/1976US3942387 Replaceable freewheel unit for helicopters
03/02/1976US3941503 Helicopter rotor hub provided with flexible elements such as virtual hinges
02/1976
02/17/1976US3938762 Rotor blade force track sensing system and automatic span tracking system
02/03/1976US3936015 Retractable collective pitch stick
01/1976
01/20/1976US3933324 Helicopter with opposite rotating torque cancelling horizontal propeller
01/13/1976US3932060 Bifilar vibration dampers
01/13/1976US3932059 Droop stops for helicopter rotor having elastomeric bearings
01/06/1976US3930625 Steam-powered aircraft
1 ... 92 93 94 95 96 97 98 99 100 101 102