Lighter-than-air craft

Lighter-than-air device having a flexible usable surface

Lighter-than-air twin hull hybrid airship

Lighter-than-air type vehicle

Long endurance high altitude balloon

Long mission tethered aerostat and method of accomplishing

Membrane structure

Method and a device for hooking a balloon envelope to a fastener

Method and apparatus for aerially transporting loads

Method and apparatus for aerially transporting loads

Method and apparatus for launching and inflating a space balloon

Method and device for emergency transportation

Method and equipment for aerial transport

Miniature expendable surveillance balloon system

Mooring facility for tethered gas balloon

Multiple wind turbine tethered airfoil wind energy conversion sy

Non-rigid airship

Observation/interpretation system

Ocean adapted airship

Omnidirectional propelling type airship