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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
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
5071383 Radio-controlled flying apparatus Dec. 10, 1991
5069290 Structure and method of producing foams having hydrogen-filled cells for use in airship/balloon envelopes Dec. 3, 1991
5066039 Air bag device for protecting a vehicle occupant Nov. 19, 1991
5042748 Hot air rescue balloon Aug. 27, 1991
5023118 Artificial flower with inflatable petals and/or inflatable multiple petal assemblies Jun. 11, 1991
5004633 Balloon decorative devices, methods and kits Apr. 2, 1991
4999236 Fire resistant surfaces for hot air balloons Mar. 12, 1991
4982915 Structure and method of producing foams having hydrogen-filled cells for use in airship/balloon envelopes Jan. 8, 1991
4932606 Hot air rescue balloon Jun. 12, 1990
4928908 Balloon made of metal vapor deposited film May. 29, 1990
4911379 Inflated balloon release device Mar. 27, 1990
4911380 Process and apparatus for hooking a band of a flexible material to a fixation piece, and application to the hooking of an envelope, especially a space balloon, to a fixation piece Mar. 27, 1990
4888836 Lighter-than-air-furniture Dec. 26, 1989
4877205 High-altitude balloon and method and apparatus for making it Oct. 31, 1989
4865266 Hot air balloon and methods and devices for augmenting buoyancy, rate of lift, safety, envelope life and economy Sep. 12, 1989
4842219 Tether attachment device Jun. 27, 1989
4813630 Electrically non-conductive suspension cables for hot air balloons Mar. 21, 1989
4795112 Method and device for emergency transportation Jan. 3, 1989
4773617 Lighter-than-air craft Sep. 27, 1988
4768739 Emergency warning and signaling system Sep. 6, 1988
4768738 Flexible solar skin in combination with an airplane Sep. 6, 1988
4758199 Toy balloon Jul. 19, 1988
4750690 Upward viewing observation window for hot air balloon Jun. 14, 1988
4711416 Steerable lighter than air balloon Dec. 8, 1987
4705235 Method and a device for hooking a balloon envelope to a fastener means Nov. 10, 1987
4696444 Device for coupling a balloon envelope with an element external to the envelope Sep. 29, 1987
4640474 Method and apparatus for aerially transporting loads Feb. 3, 1987
4619422 Balloon carriage Oct. 28, 1986
4564159 Automatic balloon launching system Jan. 14, 1986
4529018 Method and apparatus for inflating balloons and for deploying a load suspended therefrom Jul. 16, 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
4434958 Method of construction for a container with a symmetrical lobed structure and container constructed according to the said process Mar. 6, 1984
4432513 Gas-proof fastening system for a non-rigid airship Feb. 21, 1984
4421204 Fire rescue system Dec. 20, 1983
4420130 Fabrication process for an envelope, in particular for space balloons, envelope thus made, and its application to the aerospace domain Dec. 13, 1983
4403755 Method and apparatus for use in harnessing solar energy to provide initial acceleration and propulsion of devices Sep. 13, 1983
4402476 Exhaust valve and maneuvering structure for lighter-than-air aircraft Sep. 6, 1983
4394998 Process and apparatus for exploring the atmosphere of a planet Jul. 26, 1983
4390149 Balloon envelope and method of fabricating same Jun. 28, 1983
4387868 Method and apparatus for launching and inflating a space balloon Jun. 14, 1983
4361297 Atmospheric exploration vehicle Nov. 30, 1982
4358487 Inflatable ornament Nov. 9, 1982
4332547 Thrust augmenter ejector combustion device Jun. 1, 1982
4280674 Balloon with deflation port Jul. 28, 1981
4267989 Toy hot air balloon May. 19, 1981
4265418 Elongated inflatable structures for flying device bodies May. 5, 1981
4262864 Solar balloon maneuvering system Apr. 21, 1981
4261534 Inflated wing aircraft Apr. 14, 1981

1 2 3 4

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