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Class Information
Number: 244/33
Name: Aeronautics > Aircraft, lighter-than-air > Balloons > Captive
Description: Aircraft sustained by their buoyancy relative to the air, restrained from free flight by ropes or cables connecting them to some fixed or movable anchoring means on the ground or water.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4730561 |
Subcaliber projectile |
Mar. 15, 1988 |
| 4722498 |
Inflatable air foil |
Feb. 2, 1988 |
| 4717092 |
Torpedo recovery device |
Jan. 5, 1988 |
| 4697706 |
Life spotting distress signal package |
Oct. 6, 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 |
| 4586456 |
Inflatable balloon distress marker having small article containing compartment therein |
May. 6, 1986 |
| 4581897 |
Solar power collection apparatus |
Apr. 15, 1986 |
| 4547167 |
Apparatus and method for maintaining altitude and attitude of a neutral buoyancy balloon |
Oct. 15, 1985 |
| 4533099 |
Kite |
Aug. 6, 1985 |
| 4486669 |
Wind generator kite system |
Dec. 4, 1984 |
| 4470563 |
Airship-windmill |
Sep. 11, 1984 |
| 4416433 |
Signal balloon dispensing apparatus |
Nov. 22, 1983 |
| 4405099 |
Apparatus for activating system in response to impact |
Sep. 20, 1983 |
| 4365772 |
Aircraft having buoyant gas balloon |
Dec. 28, 1982 |
| 4361295 |
Solar power station |
Nov. 30, 1982 |
| 4350898 |
Lighter than air wind energy conversion system utilizing an external radial disk diffuser |
Sep. 21, 1982 |
| 4350899 |
Lighter than air wind energy conversion system utilizing a rearwardly mounted internal radial disk diffuser |
Sep. 21, 1982 |
| 4350897 |
Lighter than air wind energy conversion system |
Sep. 21, 1982 |
| 4350896 |
Lighter than air wind energy conversion system utilizing an internal radial disk diffuser |
Sep. 21, 1982 |
| 4335093 |
Process of converting wind energy to elemental hydrogen and apparatus therefor |
Jun. 15, 1982 |
| 4309006 |
Tethered airfoil wind energy conversion system |
Jan. 5, 1982 |
| 4296704 |
Anti-gravity spinnaker |
Oct. 27, 1981 |
| 4285481 |
Multiple wind turbine tethered airfoil wind energy conversion system |
Aug. 25, 1981 |
| 4207026 |
Tethered lighter than air turbine |
Jun. 10, 1980 |
| 4178867 |
Rescue signal device |
Dec. 18, 1979 |
| 4166596 |
Airship power turbine |
Sep. 4, 1979 |
| 4126850 |
Automatic release mechanism for a tether |
Nov. 21, 1978 |
| 4125233 |
Tethered aerodynamic balloon with integral fins |
Nov. 14, 1978 |
| 4120259 |
Visual and radar emergency detection balloon |
Oct. 17, 1978 |
| 4102519 |
Variable lift inflatable airfoil for tethered balloons |
Jul. 25, 1978 |
| 4094299 |
Heliothermodynamic system |
Jun. 13, 1978 |
| 4092827 |
Apparatus for aerial water acquisition and sub-sea aqueduct |
Jun. 6, 1978 |
| 4084771 |
Hot air aerostat |
Apr. 18, 1978 |
| 4084102 |
Wind driven, high altitude power apparatus |
Apr. 11, 1978 |
| 4073516 |
Wind driven power plant |
Feb. 14, 1978 |
| 4071124 |
Electrical power supply method and system for open pit mining equipment |
Jan. 31, 1978 |
| 4055316 |
Method and equipment for aerial transport |
Oct. 25, 1977 |
| 4048565 |
Location indicating device |
Sep. 13, 1977 |
| 4042882 |
Radio-balloon distress signal |
Aug. 16, 1977 |
| 3993269 |
Toroidal tail structure for tethered aeroform balloon |
Nov. 23, 1976 |
| 3957228 |
Thermodynamic kite |
May. 18, 1976 |
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