Ultra-light aircraft with freely rotating rigid wing
Ultra-low friction air pump for creating oscillatory or...
Ultralight aircraft with freely rotating wing
Underwing compression vortex attenuation device
Unfolding wing for air-launched, low speed air vehicles
Unfurlable member for increasing wing surface area
Unitized rotary actuator hinge fitting
Universal fluid-dynamic body for aircraft and watercraft
Unmanned aircraft having a pivotably movable double wing unit
Unmanned biplane for airborne reconnaissance and...
Upper surface blown powered lift system
Upper surface blown powered lift system for aircraft
Upper surface blown powered lift system for aircraft
Upwardly extendible wing flap system
Use of absorbing walls for laminar flow control