Opening reinforcement for aerostat envelope

Optimized aerodynamic, propulsion, structural and operations...

Permanently buoyant balloon

Personnel lift device and amusement use thereof

Personnel lift device with automatic ascent and descent control

Platform-type airship

Power and imaging system for an airship

Power generation, transmission, and distribution system for...

Pressure stabilized gasbag for a partially buoyant vehicle

Pressure stabilized inflated air transport vehicle

Pressure-resistant balloon

Process and apparatus for exploring the atmosphere of a planet

Process and apparatus for hooking a band of a flexible material

Propulsion system for a lighter-than-air vehicle

Propulsion system for a lighter-than-air vehicle

Propulsion system for a semi-buoyant vehicle with an...

Radio controlled hot air balloon

Radiosonde balloon launching system

Rotor--aerostat composite aircraft

Safety balloon apparatus