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Class Information
Number: 244/31
Name: Aeronautics > Aircraft, lighter-than-air > Balloons
Description: Aircraft sustained by their buoyancy relative to the air, having no provision for propulsion.










Sub-classes under this class:

Class Number Class Name Patents
244/33 Captive 110
244/32 With parachutes 8


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8678309 Lifting gas replenishment in a tethered airship system Mar. 25, 2014
8668161 Systems and methods for long endurance stratospheric operations Mar. 11, 2014
8634974 Using predicted movement to maintain optical-communication lock with nearby balloon Jan. 21, 2014
8622338 Lighter-than-air systems, methods, and kits for obtaining aerial images Jan. 7, 2014
8590830 Pressure tight large-scaled membrane structure Nov. 26, 2013
8544788 Aerostat assembly Oct. 1, 2013
8505847 Lighter-than-air systems, methods, and kits for obtaining aerial images Aug. 13, 2013
8485465 Long mission tethered aerostat and method of accomplishing Jul. 16, 2013
8303367 Flying shark Nov. 6, 2012
8240602 Subsea deployment of aerial payloads utilizing long-term storage of lighter than air gases Aug. 14, 2012
8167246 Tethering system for inflatable airfoils May. 1, 2012
8156669 Hot air outdoor advertising structure Apr. 17, 2012
8152092 Aerial transporter Apr. 10, 2012
8152093 Laminate structure with electronic devices and method Apr. 10, 2012
8083174 Long mission tethered aerostat and method of accomplishing Dec. 27, 2011
8074638 Inflatable solar concentrator balloon method and apparatus Dec. 13, 2011
7922116 Device and method for sealing and lighting a balloon Apr. 12, 2011
7913948 Method and apparatus for stratospheric and space structures Mar. 29, 2011
7875795 Thermocouple array for generating electrical power for lighter than air vehicles Jan. 25, 2011
7871036 Apparatus for generation and use of lift gas Jan. 18, 2011
7844218 Sub-orbital, high altitude communications system Nov. 30, 2010
7776295 Flying apparatus and method for removing harmful gases from the atmosphere Aug. 17, 2010
7740203 Control device for deployment of inflatable structures Jun. 22, 2010
7735777 Apparatus for generation and use of lift gas Jun. 15, 2010
7722701 Method and system for handling gas diffusion through the envelopes of airships and balloons May. 25, 2010
7648102 Balloonsonde launcher Jan. 19, 2010
7571875 Device and method for sealing and lighting a balloon Aug. 11, 2009
7552894 Assembly method for tethered or free flight blimp with collapsible tail fins Jun. 30, 2009
7509774 Apparatus for integrating a rigid structure into a flexible wall of an inflatable structure Mar. 31, 2009
7503277 Aerostat inflator Mar. 17, 2009
7478779 Device and method for sealing and lighting a balloon Jan. 20, 2009
7472865 Dehumidification system for an airship Jan. 6, 2009
7438261 Stratospheric balloon utilizing electrostatic inflation of walls Oct. 21, 2008
7354636 Flexible laminate material for lighter-than-air vehicles Apr. 8, 2008
7356390 Systems and applications of lighter-than-air (LTA) platforms Apr. 8, 2008
7341224 Miniature expendable surveillance balloon system Mar. 11, 2008
7287723 Tethered or free flight blimp with collapsible tail fins Oct. 30, 2007
7173649 Video airship Feb. 6, 2007
7156203 Device and method for evacuating persons, for example from a multi-storey building on fire Jan. 2, 2007
6811115 Method and system for setting hull parameter of airship and method of adjusting ascension rate of the same Nov. 2, 2004
6739549 Dirigible balloon rigidified by helium tanks May. 25, 2004
6698686 Airship Mar. 2, 2004
6685136 Pressure-resistant balloon Feb. 3, 2004
6655206 Device using a local irregularity to reduce the extent of unwanted movements of weather balloons Dec. 2, 2003
6641083 Balloon Nov. 4, 2003
6588702 Lighter-than-air device having a flexible usable surface Jul. 8, 2003
6575403 Personnel lift device with automatic ascent and descent control Jun. 10, 2003
6571815 Sun shield Jun. 3, 2003
6550413 Stabilizer ring for a sea anchor Apr. 22, 2003
6523778 Illuminated emergency signaling device and flying balloon Feb. 25, 2003

1 2 3 4










 
 
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