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7472865 |
Dehumidification system for an airship
A dehumidification system for removing water vapor from the within the envelope of an airship comprises a pressurizer valve, a blower and a dehumidifier attached to the airship. The pressurizer...
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7354636 |
Flexible laminate material for lighter-than-air vehicles
A laminate material for lighter-than-air vehicles includes a liquid crystal polymer fiber layer, a polyimide layer secured to the liquid crystal polymer fiber layer; and a polyvinylidene fluoride...
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7261255 |
Transformable airship
The present invention provides a solar-powered transformable airship, on which solar cell panels are installed all over to maximize the amount of solar energy collected. Moreover, the airship...
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7137592 |
High-aspect ratio hybrid airship
In one aspect, a hybrid airship including an outer shell, a plurality of helium filled gas envelopes, and an all-electric propulsion system can have a high-aspect ratio wing shape. In some...
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6877693 |
Aerostat for transporting equipment and passengers
The invention concerns a lighter-than-air craft for transporting by air equipment and passengers, more particularly, it concerns an aircraft whereof the frame ( 1 ) made of light metal and erected...
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6824098 |
VTOL parafoil aircraft
An aircraft is provided having an inflatable parafoil canopy wing and a suspended fuselage. The wing is constructed such that, when inflated, it has an airfoil configuration having leading and...
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6641083 |
Balloon
A balloon comprising an envelope, wherein the envelope has a multilayered structure comprising a gas-impervious sheet, and a liquid absorbent sheet overlaid on the inner surface of the...
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6574838 |
Tie-down device and method
A tie-down device secures an aircraft to the ground. The tie-down device includes a hook and slide member operating within the hook to secure a line. In use the line passes through an aperture...
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6565037 |
Hybrid aircraft and methods of flying
An aircraft includes an aircraft body that retains gas that is lighter than air and rotates about a vertical axis, and a cargo carrier attached to the body so that the carrier does not rotate with...
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6016991 |
Evacuated rotating envelope aircraft
An aircraft utilizes a buoyant evacuated rotating envelope to provide at least a portion of the lift required. The rotating envelope may be in the form of a disk, cylinder or other suitable shape....
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5909857 |
Filimonov hybrid dirigible craft
The hybrid dirigible craft belongs to the category of flying vehicles which use an air cushion and take off and land at any type of airfield. The air of the invention is to design an improved...
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5810286 |
Lighter-than-air aircraft
A stable and highly maneuverable lighter-than-air aircraft is provided. The aircraft includes a body portion which is supported beneath a balloon portion by a stem or axle. The balloon is fillable...
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5755402 |
Discoid airship
An airship capable of vertical and horizontal flight and able to make right angle turns is preferably of nearly neutral buoyancy and comprises two gas bags, the lower of which is toroidal in shape...
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5358200 |
Airship
An airship includes a gas envelope filled with a buoyant gas, a duct equipped with an internal propulsion fan and attached to the aft of the gas bag, a boom projecting aft along an extension of the...
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5348251 |
Dirigible airship
An airship in the form of a self-powered, elongated dirigible which comprises at least three sections connected together by joints. The sections including a front section with propulsion devices...
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5203523 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Dirigible airship
An airship in the form of a self-powered, elongated dirigible which comprises at least three sections connected together by joints. The sections including a front section with propulsion devices...
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5115997 |
Surveillance balloon
A tethered surveillance balloon having a relatively low lift-to-weight ratio (e.g., 1.1) and an aerodynamic device to help maintain the surveillance balloon elevation when subject to high velocity...
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5071090 |
Airship
An airship having improved controllability which comprises: an axial fluid pathway penetrating through a body of the airship in an axial direction, at least one radial fluid pathway crossing the...
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4838501 |
Balopod (hybrid flying machine)
A flying machine (L.T.A.-H.T.A. Hybrid) connected through the fuselage . . . using a two-point-lift system wherein the lifts are static and dynamic . . . separately and simultaneously. The static...
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4685640 |
Air vehicle
An air vehicle for lifting loads generates lift forces from helium gas within a torus-shaped envelope having a central passageway, and from a fan arrangement designed to direct air downwardly...
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4606515 |
Hybrid annular airship
A hybrid annular airship of the kind including an annulus containing at least one gas containing portion is disclosed which is characterized by improved maneuverability, stability and speed. This...
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4402475 |
Thrusters for airship control
The use of thrusters at the bow and stern of an airship for control of the direction, attitude, and orientation of such an airship is described. The thruster utilizes an electric motor or a gas...
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3658278 |
LOAD TRANSPORTING SYSTEM
A load transporting system in which a balloon supports a flexible electric line leading from a source of electricity to a load carrying device. The load carrying device includes hand operated...
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3620485 |
DIRIGIBLE
A lighter-than-air aircraft having a central passageway longitudinal of the aircraft and a plurality of passageways radiating laterally therefrom. Suitable air moving means are located in said...
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3346216 |
Airship
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3288397 |
Aircraft
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3227400 |
Jet dirigible
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3053483 |
Jet-diversion dome aircraft
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