Cyclical thermal management system

Flight direction control system for blimps

Ground handling, altitude control and longitudinal stability of

Helium purification system for lighter-than-air aircraft

Hinged control surfaces for pressurized hot air airship

Hot air balloons

Lenticular airship

Long period floating airship

Method and system for setting hull parameter of airship and...

Method for lighter-than-air aircraft

Mobile fan for hot air balloons

Process for altitude-stabilizing a balloon, and atmospheric ball

Process of stabilizing at altitude a stratoshperic balloon, and

Propulsion system for a buoyant vehicle

Propulsion system for an airship or hybrid aircraft

Redundant blower drive for pressurized hot air airship

Rigid airship with a carrier frame of ribs and beams enclosed by

Structure and method of producing foams having hydrogen-filled c

System and method for altitude control

Thermal airship buoyancy controller