Double propeller for propelling aircraft
Dual propeller and engine drive system for aircraft
Dynamic seal for slotted cylinder
Electric motor assisted takeoff device for an air vehicle
Electric motor assisted takeoff device for an air vehicle
Electromagnetic transportation system for manned space travel
Entomopter and method for using same
Faceted exhaust nozzle
Flying vehicle-launching apparatus and method
Flying wing space launch assist stage
Foldable counter-rotating propfan blades
Glider launching device
Ground launched missile controlled rate decelerator
Ground retaining device
Hang glider which can fly by human strength
High altitude reconnaissance platform
High velocity propeller
Homocopter
Hydrogen powered toy rocket utilizing hydrogen from the...
Hydrogen powered toy rocket utilizing hydrogen from the...