Variable stiffness rotor
Variable trailing edge geometry and spanload control
Variable-pitch multi-blade propeller having individually...
Vectorable exhaust nozzle for gas turbine engines
Vehicle provided with a drag reducing low nose wing
Vehicle with propellers which are driven and controlled by...
Vehicle with vertical wings and a stabilizing torque system...
Vehicular attitude-control display
Vertical lift aircraft
Vertical lift aircraft
Vertical lift machine
Vertical lift machine
Vertical take-off aircraft
Vertical take-off and landing (vtol) aircraft with fixed...
Vertical take-off and landing aircraft
Vertical take-off and landing aircraft capable of...
Vertical take-off and landing heavier-than-air aircraft
Vertical take-off and landing vehicle which does not have a...
Vertical take-off and landing, aerodynamically...
Vertical takeoff and landing aircraft