| |
 |
|
Class Information
Number: 244/25
Name: Aeronautics > Aircraft, lighter-than-air > Airships with sustaining wings
Description: Propelled aeronautical machines sustained by their buoyancy relative to the air, having also provision for sustentation by aerodynamic action on airfoils in fixed relation to the machines.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7341223 |
Hybrid unmanned vehicle for high altitude operations |
Mar. 11, 2008 |
| 7131613 |
High-altitude launching of rockets lifted by helium devices and platforms with rotatable wings |
Nov. 7, 2006 |
| 7036768 |
Multi-purpose airship |
May. 2, 2006 |
| 6880783 |
Hybrid air vehicle having air cushion landing gear |
Apr. 19, 2005 |
| 6824098 |
VTOL parafoil aircraft |
Nov. 30, 2004 |
| 6749153 |
Survivable and reusable launch vehicle |
Jun. 15, 2004 |
| 6581873 |
Hybrid winged airship (dynastat) |
Jun. 24, 2003 |
| 6471159 |
Airship shaped space craft |
Oct. 29, 2002 |
| 6435453 |
High speed rotor aircraft |
Aug. 20, 2002 |
| 6328622 |
Submersible water toy |
Dec. 11, 2001 |
| 6315242 |
Propulsion system for a semi-buoyant vehicle with an aerodynamic |
Nov. 13, 2001 |
| 6293493 |
Pressure stabilized gasbag for a partially buoyant vehicle |
Sep. 25, 2001 |
| 6196498 |
Semi-buoyant vehicle with aerodynamic lift capability |
Mar. 6, 2001 |
| 6142414 |
Rotor--aerostat composite aircraft |
Nov. 7, 2000 |
| 5823468 |
Hybrid aircraft |
Oct. 20, 1998 |
| 5518205 |
High altitude, long duration surveillance system |
May. 21, 1996 |
| 5425515 |
Aircraft |
Jun. 20, 1995 |
| 5383627 |
Omnidirectional propelling type airship |
Jan. 24, 1995 |
| 5240206 |
Airship |
Aug. 31, 1993 |
| 5115997 |
Surveillance balloon |
May. 26, 1992 |
| 5096141 |
Aircrane |
Mar. 17, 1992 |
| 5082205 |
Semi-buoyant composite aircraft with non-rotating aerostat |
Jan. 21, 1992 |
| 5005783 |
Variable geometry airship |
Apr. 9, 1991 |
| 5000398 |
Flying multi-purpose aircraft carrier and method of V/STOL assisted flight |
Mar. 19, 1991 |
| 4889297 |
Light aircraft for short-distance takeoff and landing |
Dec. 26, 1989 |
| 4850551 |
Propulsion system for a buoyant vehicle |
Jul. 25, 1989 |
| 4450364 |
Lighter than air wind energy conversion system utilizing a rotating envelope |
May. 22, 1984 |
| 4272042 |
Airship and associated apparatus and method for anchoring same |
Jun. 9, 1981 |
| 4261534 |
Inflated wing aircraft |
Apr. 14, 1981 |
| 4149688 |
Lifting body aircraft for V/STOL service |
Apr. 17, 1979 |
| 4085912 |
Convertible airship |
Apr. 25, 1978 |
| 4052025 |
Semi-buoyant aircraft |
Oct. 4, 1977 |
| 4050653 |
Balloon |
Sep. 27, 1977 |
|
|
|
