Matches 251 - 300 out of 302 < 1 2 3 4 5 6 7 >
Match Document Document Title
3429376 AUTOMATIC CONTROL SYSTEM FOR AIRCRAFT LIFTING ROTOR  
3428271 ATMOSPHERIC ENTRY VEHICLE WITH STOWED ROTOR  
3409249 Coaxial rigid rotor helicopter and method of flying same  
3404852 Trailing rotor convertiplane  
3385537 Rotor-wing load transfer device  
3369778 Automatic pilots  
3325122 Helicopter  
3260479 Guided helicopter  
3250121 Helicopter ground proximity indicator  
3228629 Rotary wing aircraft having autopiloting means  
3223359 Helicopter flight control system  
3211121 Ship positioning system  
3175786 Helicopter flight control system  
3149803 Tethered hovering platform  
3135334 Rotor  
3132697 Helicopter control system  
3116040 Supersonic rotary wing platform  
3099421 Automatic trim actuator system  
3096046 Remote control of robot aircraft  
3096503 Aircraft navigation system  
3081966 Rotating wing aircraft  
3080001 Helicopter  
3075727 Velocity sensitive stabilizer  
3071335 Flight control system  
3063655 Vertical-lift, horizontal flight aircraft  
3061240 Control system for helicopter  
3053480 Omni-directional, vertical-lift, helicopter drone  
3050276 Automatic stabilization device  
3037722 Gyro stabilizer for helicopter  
3035643 Device to alter dynamic characteristics of rotor systems  
3032295 Aircraft arranged for vertical take-off and landing  
3027948 Stabilization of rotary wing aircraft  
3012180 Inertial altitude servomotor control system  
3010679 Dephased accelerometer  
3008670 Stability augmentation system  
2998210 Automatic hovering control  
2986933 Helicopter air speed measuring instrument  
2960168 Mechanism for correcting lift differences in a helicopter rotor  
2957687 Governor and speed control for helicopters and the like  
2954945 Helicopter aircraft control  
2953207 Control for helicopter rotors and the like  
2947498 Automatic pilot for rotary wing aircraft  
2941753 Aerial spraying of land or crops  
2941792 Aircraft flight path stabilizer  
2941605 Automatic pitch control and release  
2936836 Mechanism for indicating and correcting lift differences in helicopter rotors  
2935849 Hydraulic control system  
2931132 Toy helicopter  
2930549 Control device for vertical landing  
2928628 Stabilization device of aerodynes equipped with rotary power plants  
Matches 251 - 300 out of 302 < 1 2 3 4 5 6 7 >