71767 ⎘
Lighter-than-air aircraft; Non-rigid airships the profile being maintained by ties or cords connecting opposite surfaces
Variable shape airship
#2Transformable stratospheric airship
#3Riser release flaring system for parafoils
#4Additional systems and methods for long endurance airship operations using a free-flying tethered airship system
#5Additional systems and methods for long endurance airship operations using a free-flying tethered airship system
#6Airship with a controlled variable profile
#7SELF-RIGHTING AEROSTAT AND RELATIVE TAKEOFF AND RECOVERY SYSTEM
#8High-altitude long-endurance airship
#9Internal support structure for an airship
#10Transformable airship
#11Airship having a multiple-lobed hull
#12Airship having a multiple-lobed hull