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Class Information
Number: 244/128
Name: Aeronautics > Aircraft structure > Airship gas cell construction and arrangement
Description: Construction and arrangements of gas-containing units in lighter-than-air craft.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7552893 |
Airship & method of operation |
Jun. 30, 2009 |
| 7500637 |
Airship with lifting gas cell system |
Mar. 10, 2009 |
| 7487936 |
Buoyancy control system for an airship |
Feb. 10, 2009 |
| 7097135 |
Airship |
Aug. 29, 2006 |
| 6964723 |
Method for applying pressure to composite laminate areas masked by secondary features |
Nov. 15, 2005 |
| 6877693 |
Aerostat for transporting equipment and passengers |
Apr. 12, 2005 |
| 6837458 |
Airship |
Jan. 4, 2005 |
| 6811115 |
Method and system for setting hull parameter of airship and method of adjusting ascension rate of the same |
Nov. 2, 2004 |
| 6805319 |
Variable-lift dirigeable balloon |
Oct. 19, 2004 |
| 6793180 |
Lighter than air foldable airship |
Sep. 21, 2004 |
| 6739549 |
Dirigible balloon rigidified by helium tanks |
May. 25, 2004 |
| 6499693 |
Aircraft to respond to threats |
Dec. 31, 2002 |
| 6427943 |
Stratospheric airship |
Aug. 6, 2002 |
| 5992795 |
Stratospheric balloon with long flight duration |
Nov. 30, 1999 |
| 5890676 |
Airship with neutral buoyancy fuel bladder |
Apr. 6, 1999 |
| 5755402 |
Discoid airship |
May. 26, 1998 |
| 5716693 |
High strength, lightweight pressurized structure for use as the skin of a spacecraft or other vehicle |
Feb. 10, 1998 |
| 5713536 |
Aerostat single ballonet system |
Feb. 3, 1998 |
| 5697579 |
Aircraft having inflatable tubular support structure |
Dec. 16, 1997 |
| 5538203 |
Ballonet system for a lighter-than-air vehicle |
Jul. 23, 1996 |
| 5333817 |
Ballonet system for a lighter-than-air vehicle |
Aug. 2, 1994 |
| 5251850 |
Device for adjustment of the height of an airship |
Oct. 12, 1993 |
| 5076513 |
Aerostat intended to travel in an autonomous and reversible manner between the ground of a planet having an atmosphere and a predetermined ceiling altitude |
Dec. 31, 1991 |
| 5071090 |
Airship |
Dec. 10, 1991 |
| 4971269 |
Protection for spacecraft |
Nov. 20, 1990 |
| 4773617 |
Lighter-than-air craft |
Sep. 27, 1988 |
| 4711416 |
Steerable lighter than air balloon |
Dec. 8, 1987 |
| 4326681 |
Non-rigid airship |
Apr. 27, 1982 |
| 4032085 |
Dirigible, especially non-rigid dirigible |
Jun. 28, 1977 |
| 4012016 |
Autonomous variable density aircraft |
Mar. 15, 1977 |
| 3972492 |
Airship for transporting gas |
Aug. 3, 1976 |
| 3970270 |
Low speed aircraft |
Jul. 20, 1976 |
| 3957228 |
Thermodynamic kite |
May. 18, 1976 |
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