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Class Information
Number: 244/98
Name: Aeronautics > Aircraft control > Airship control > Gas bag inflation
Description: Devices and arrangements for inflating the buoyant gas containers of lighter-than-air craft.

Patents under this class:

Patent Number Title Of Patent Date Issued
8459589 External pressurization system for lighter than air vehicles Jun. 11, 2013
8336810 System, method and apparatus for widespread commercialization of hydrogen as a carbon-free alternative fuel source Dec. 25, 2012
7871035 Propulsion system for an airship or hybrid aircraft Jan. 18, 2011
7871036 Apparatus for generation and use of lift gas Jan. 18, 2011
7735777 Apparatus for generation and use of lift gas Jun. 15, 2010
7568656 System for controlling the lift of aircraft Aug. 4, 2009
7500638 Heavy lift airship Mar. 10, 2009
7472865 Dehumidification system for an airship Jan. 6, 2009
7350749 Mass transfer system for stabilizing an airship and other vehicles subject to pitch and roll moments Apr. 1, 2008
6883749 Aerostat deployment apparatus Apr. 26, 2005
6722396 Method for filing, cleaning and emptying large volume gas containers, especially airships Apr. 20, 2004
6715712 Aerostat deployment apparatus Apr. 6, 2004
6609680 High altitude airships Aug. 26, 2003
6568631 Launching of high altitude airships May. 27, 2003
6425552 Cyclical thermal management system Jul. 30, 2002
6317080 Early detection and tracking system for hazardous airborne substances Nov. 13, 2001
6227488 Mobile fan for hot air balloons May. 8, 2001
6182924 Ballast for lighter than air aircraft Feb. 6, 2001
6119979 Cyclical thermal management system Sep. 19, 2000
5901922 Radiosconde balloon launching system May. 11, 1999
5895010 Radiosonde Balloon Launching System Apr. 20, 1999
5884862 Automatic radiosonde balloon launching module Mar. 23, 1999
5850988 Radiosonde balloon launching system Dec. 22, 1998
5850987 Radiosonde ballon launching system Dec. 22, 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
4982915 Structure and method of producing foams having hydrogen-filled cells for use in airship/balloon envelopes Jan. 8, 1991
4911379 Inflated balloon release device Mar. 27, 1990
4795112 Method and device for emergency transportation Jan. 3, 1989
4564159 Automatic balloon launching system Jan. 14, 1986
4498408 Lifting body for diving Feb. 12, 1985
4494714 Automatic balloon launching system Jan. 22, 1985
4457477 Process for altitude-stabilizing a balloon, and atmospheric balloons for implementing this process Jul. 3, 1984
4332547 Thrust augmenter ejector combustion device Jun. 1, 1982
4174082 Solar powered hot air balloon Nov. 13, 1979
4172048 Mixture suitable for an aerostat Oct. 23, 1979
4084771 Hot air aerostat Apr. 18, 1978
4082239 All electrical self-contained fuel control system for a burner in a thermal airship Apr. 4, 1978
4076188 Blower and burner to produce superpressure in a thermal airship Feb. 28, 1978
4018406 Redundant blower drive for pressurized hot air airship Apr. 19, 1977
4012016 Autonomous variable density aircraft Mar. 15, 1977
3945591 Hot air balloons Mar. 23, 1976

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