|
B64B 1/00
|
Lighter-than-air aircraft |
|
B64B 1/02
|
Non-rigid airships |
|
B64B 1/04
|
Non-rigid airships the profile being maintained by ties or cords connecting opposite surfaces |
|
B64B 1/06
|
Rigid airships; Semi-rigid airships |
|
B64B 1/08
|
Framework construction |
|
B64B 1/10
|
Tail unit construction |
|
B64B 1/12
|
Movable control surfaces |
|
B64B 1/14
|
Outer covering |
|
B64B 1/16
|
Outer covering rigid |
|
B64B 1/18
|
Attachment to structure |
|
B64B 1/20
|
Rigid airships; Semi-rigid airships provided with wings or stabilising surfaces |
|
B64B 1/22
|
Arrangement of cabins or gondolas |
|
B64B 1/24
|
Arrangement of propulsion plant |
|
B64B 1/26
|
Arrangement of propulsion plant housed in ducts |
|
B64B 1/28
|
Arrangement of propulsion plant housed in nacelles |
|
B64B 1/30
|
Arrangement of propellers |
|
B64B 1/32
|
Arrangement of propellers surrounding hull |
|
B64B 1/34
|
Arrangement of propellers of lifting propellers |
|
B64B 1/36
|
Arrangement of jet reaction apparatus for propulsion or directional control |
|
B64B 1/38
|
Controlling position of centre of gravity |
|
B64B 1/40
|
Balloons |
|
B64B 1/42
|
Construction or attachment of stabilising surfaces |
|
B64B 1/44
|
Balloons adapted to maintain predetermined altitude |
|
B64B 1/46
|
Balloons associated with apparatus to cause bursting |
|
B64B 1/48
|
Balloons associated with apparatus to cause bursting to enable load to be dropped by parachute |
|
B64B 1/50
|
Captive balloons |
|
B64B 1/52
|
Captive balloons attaching trailing entanglements |
|
B64B 1/54
|
Captive balloons connecting two or more balloons in superimposed relationship |
|
B64B 1/56
|
Captive balloons stabilised by rotary motion |
|
B64B 1/58
|
Arrangements or construction of gas-bags; Filling arrangements |
|
B64B 1/60
|
Gas-bags surrounded by separate containers of inert gas |
|
B64B 1/62
|
Controlling gas pressure, heating, cooling, or discharging gas |
|
B64B 1/64
|
Gas-valve operating mechanisms |
|
B64B 1/66
|
Mooring attachments |
|
B64B 1/68
|
Water flotation gear |
|
B64B 1/70
|
Ballasting arrangements |
