Class Information
Number: 244/29
Name: Aeronautics > Aircraft, lighter-than-air > Airship and fluid sustained
Description: Propelled aeronautical machines sustained by their buoyancy relative to the air, having also provision for sustentation by the reaction to downward movement of restricted masses or jets of air or other fluid. The forward propulsion of the machine may also be derived from movement of the same or similar masses or jets of air or other fluid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7472865 |
Dehumidification system for an airship |
Jan. 6, 2009 |
| 7354636 |
Flexible laminate material for lighter-than-air vehicles |
Apr. 8, 2008 |
| 7261255 |
Transformable airship |
Aug. 28, 2007 |
| 7137592 |
High-aspect ratio hybrid airship |
Nov. 21, 2006 |
| 6877693 |
Aerostat for transporting equipment and passengers |
Apr. 12, 2005 |
| 6824098 |
VTOL parafoil aircraft |
Nov. 30, 2004 |
| 6641083 |
Balloon |
Nov. 4, 2003 |
| 6574838 |
Tie-down device and method |
Jun. 10, 2003 |
| 6565037 |
Hybrid aircraft and methods of flying |
May. 20, 2003 |
| 6016991 |
Evacuated rotating envelope aircraft |
Jan. 25, 2000 |
| 5909857 |
Filimonov hybrid dirigible craft |
Jun. 8, 1999 |
| 5810286 |
Lighter-than-air aircraft |
Sep. 22, 1998 |
| 5755402 |
Discoid airship |
May. 26, 1998 |
| 5358200 |
Airship |
Oct. 25, 1994 |
| 5348251 |
Dirigible airship |
Sep. 20, 1994 |
| 5115997 |
Surveillance balloon |
May. 26, 1992 |
| 5071090 |
Airship |
Dec. 10, 1991 |
| 4967983 |
Airship |
Nov. 6, 1990 |
| 4838501 |
Balopod (hybrid flying machine) |
Jun. 13, 1989 |
| 4685640 |
Air vehicle |
Aug. 11, 1987 |
| 4606515 |
Hybrid annular airship |
Aug. 19, 1986 |
| 4402475 |
Thrusters for airship control |
Sep. 6, 1983 |
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