71941 ⎘
Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft Paddle wheels
ATTITUDE CONTROL SYSTEM FOR A MULTIROTOR CROSSFLOW FAN eVTOL AIRBORNE CRAFT
#2Driver device for an aircraft
#3Aircraft having radially extendable tailboom assembly
#4Cargo transportation system having perimeter propulsion
#5Aircraft
#6Flow diverting lift element
#7Cross flow fan for wide aircraft fuselage
#8Aircraft having radially extendable tailboom assembly
#9Rotorcraft variable thrust cross-flow fan systems
#10Flow diverting lift element
#11Cross flow fan with exit guide vanes
#12Flow diverting lift element
#13Propeller device, vehicle drive unit and energy conversion unit
#14Apparatus and method to control the flight dynamics in a lighter-than-air airship
#15Vortex shedding cyclical propeller
#16Tri-cycloidal airship
#17Airship docking mechanism
#18Cross-flow fan propulsion system
#19Cycloidal hybrid advanced surface effects vehicle