Permanently buoyant balloon
Phosphorescent balloons
Propulsion and steering system for an airship
Propulsion system for a lighter-than-air vehicle
Propulsion system for a lighter-than-air vehicle
R-stat
Rescue balloon
Retracting air cushioned landing system for air vehicles
Security laminated flass for airplane
Segmented aerial vehicle equipped with energy medium
Solar cell array orientation in an airship
Steerable aerostatical balloon
System and applications of lighter-than-air (lta) platforms
Systems and methods for buoyancy management in an airship
Systems and methods for recovering an airship
The vacuum dirigible
Torpedo recovery device
Transportation system
Unmanned aircraft as a platform for telecommunication or...
Unmanned aircraft for telecommunicative or scientific purposes