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| Number | Title | Issue Date |
| 7878453 | Piezoelectric and pyroelectric power-generating laminate for an airship envelope A power-generating laminate for an airship comprises a base fabric layer, a barrier layer disposed upon the fabric layer, an inner metal film layer disposed upon the barrier layer, a piezoelectric/pyroelectric layer disposed upon the inner metal layer, an outer meta... | 02/01/2011 |
| 7438261 | Stratospheric balloon utilizing electrostatic inflation of walls The high-altitude balloon has a skin made of nearly evacuated electrostatically inflated cells which provide thermal insulation to minimize heat loss from the gas in the balloon, while transmitting heat from the sun to heat the gas. The lower surface of the balloon ... | 10/21/2008 |
| 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 (PVDF) layer secured to the polyimide layer. The layers are secured to... | 04/08/2008 |
| 7303166 | Highly maneuverable powered airship A highly maneuverable powered airship is disclosed. The powered airship may include an exterior shell having a front portion, a rear portion and a main axis; the exterior shell may be configured with an aspect ratio greater than or equal to 9:1. The powered airship ... | 12/04/2007 |
| 7284726 | Self extinguishing composite primary structure A helicopter with one or more components formed from a self extinguishing composite primary structure material to provide increased passenger safety. The self extinguishing composite primary structure material has a core formed from a fire retardant material, which ... | 10/23/2007 |
| 7275720 | Actively cooled ceramic thermal protection system An apparatus and method for thermal protection is provided. A thermal protection apparatus includes a porous layer attached to an inner structural member requiring thermal protection. The porous layer serves as both a cooling air plenum and a transpiring medium. The... | 10/02/2007 |
| 7172487 | Rigid helium balloons The rigid helium balloon has a helium compartment and a separate, channel portion. Helium gas is filled into the helium compartment through a valve in the balloon. Fiberglass rod members are inserted into the channel portion to help retain the desired shape of the b... | 02/06/2007 |
| 7153464 | Method of making porous ceramic matrix composites A ceramic matrix composite (CMC) structure, and method of forming same, the structure having internal air flow channels and cooling holes created by the process of sewing or stitching a fugitive fiber or thread into plies of ceramic cloth, preferably prior to consol... | 12/26/2006 |
| 7138028 | Vacuum assisted resin transfer method for co-bonding composite laminate structures A method for forming complexly shaped composite laminate assemblies. A pair of dry fiber preforms are placed on a tool with a thin film adhesive layer therebetween. A vacuum bag encloses the preforms and the adhesive layer. The preforms are heated to a temperature s... | 11/21/2006 |
| 7108230 | Aircraft with topside only spoilers An aircraft with swept back wings and spoilers inlaid into the top surface near the tips of the wings. The aircraft also includes an elevator formed in the center back portion of the aircraft, which is also aft of the spoilers. It is aft to allow an auxiliary contro... | 09/19/2006 |
| 7104498 | Channel-wing system for thrust deflection and force/moment generation An aircraft comprising a Channel Wing having blown channel circulation control wings (CCW) for various functions. The blown channel CCW includes a channel that has a rounded or near-round trailing edge. The channel further has a trailing-edge slot that is adjacent t... | 09/12/2006 |
| 7093787 | Lightning strike mitigation system A lightning strike mitigation system for protecting a surface includes an inner insulating layer adjacent a surface to be protected, an outer insulating layer, and an intermediate layer formed from an electrically conductive material between the inner and outer insu... | 08/22/2006 |
| 7073749 | High altitude reconnaissance vehicle An airship deployment system comprises an airship of unique shape having laminar flow over this shape to enable low power propulsion, capable remote control, comprising an inflatable body; a propeller assembly for station keeping and repositioning said airship and c... | 07/11/2006 |
| 7040575 | Foam composite insulation for aircraft Insulation for use in an aircraft fuselage is formed wherein at least one layer made from an open-celled foam that provides acoustic and thermal insulation. The open-celled foam is compression fitted into the airplane fuselage so as to provide effective attachment t... | 05/09/2006 |
| 6986929 | Composite preform structural panel having electrically conductive stitching A structural panel comprised of a composite preform having an electrically conductive stitching. The stitching forms an electrically conductive grid-like network on the structural panel to better dissipate electrical energy received in a lightning strike throughout ... | 01/17/2006 |
| 6979479 | Flexible 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 (PVDF) layer secured to the polyimide layer. The layers are secured to... | 12/27/2005 |
| 6964723 | Method for applying pressure to composite laminate areas masked by secondary features A method for applying pressure to the area of a composite part masked by a secondary feature comprises the steps of positioning a pressure augmentation strip in contact with the masked area, securing a pressure transfer wedge on each of two sides of the secondary fe... | 11/15/2005 |
| 6929221 | Ram air parachute with tensioned top skin An improved ram air canopy is disclosed having a top skin formed of a plurality of substantially rectangular top skin pieces. Each top skin piece has areas of reduced width at predetermined locations. The areas of reduced width result in a specific tension pattern o... | 08/16/2005 |
| 6848651 | Electro-hydraulic thrust reverser lock actuation system and method An electro-hydraulic thrust reverser lock actuation system includes a hydraulic fluid source and a lock actuator assembly that is configured to selectively pressurize the hydraulic fluid. The lock actuator assembly is adapted to receive a lock control signal and, in... | 02/01/2005 |
| 6793180 | Lighter than air foldable airship A system and method for constructing an airship hull is described, comprising a plurality of flexible members disposed lengthwise about the perimeter of the airship skin. The flexible members can be held in place in sleeves on the skin of the airship. The ends of th... | 09/21/2004 |
| 6794012 | Composite preform structural panel having electrically conductive stitching A structural panel comprised of a composite preform having an electrically conductive stitching. The stitching forms an electrically conductive grid-like network on the structural panel to better dissipate electrical energy received in a lightning strike throughout ... | 09/21/2004 |
| 6735866 | Method for manufacturing elements of composite materials by the co-bonding technique Method for manufacturing elements made from composite material using the co-bonding technique, in which uncured elements (preformed beams (2)) are bonded onto another cured element (the skin (3)) with multiple thickness changes, using a rigid tooling m... | 05/18/2004 |
| 6722611 | Reinforced aircraft skin and method An aircraft body structure is disclosed and has a skeleton frame including a plurality of interconnected frame elements. A skin layer is affixed to at least a portion of the frame elements. The skin layer has an exterior surface and an opposite interior surface. A c... | 04/20/2004 |
| 6474595 | Electrical energy depletion/collection system An electrical energy depletion/collection system including a mobile airborne trigger platform; a mobile host platform; an electrical interconnection between the trigger platform and the host platform; and an electrical energy storage subsystem resident on... | 11/05/2002 |
| 6450450 | Low cost structural fabrication that resists catastrophic failure under rapid thermal loading Provided is a fabrication that is simple to make and cost effective in optimizing performance for moderately extended high velocity missions of high performance airborne vehicles. To counter rapid thermal loading while providing a relatively low cost stru... | 09/17/2002 |
| 6432507 | Lightning protection for electrically conductive or insulating skin and core for honeycomb structure Lightning protection utilizing lightweight electrically conductive coatings with a conductance of approximately 220 to 350 mhos per square co-cured or secondarily bonded to the outer surface of thin skin composite structure. Selection of either 2 to 3 oun... | 08/13/2002 |
| 6302357 | Pressure stabilized inflated air transport vehicle This invention relates to a pressure stabilized inflated air transport vehicle having means for limiting crack propagation in the hull envelope whereby leakage of the gas in the haul due to the crack will not exceed the gas pressure maintaining means.... | 10/16/2001 |
| 6290176 | Airship gondola suspension system and method of making same The present invention describes a dual suspension catenary system which includes aspects of both an internal catenary system and an external catenary system. The dual suspension catenary system of the present invention retains and expands upon the advanta... | 09/18/2001 |
| 6224016 | Integrated flexible solar cell material and method of production A novel energy producing flexible material is provided particularly suited for high altitude and stratospheric applications. The flexible energy producing covering includes a flexible solar cell layer, a flexible substrate which preferably matches the sha... | 05/01/2001 |
| 6171704 | Coating for aerospace aluminum parts A coated aerospace aluminum alloy part, such as a lipskin of a nacelle or a leading edge of a wing or tail, is disclosed which part is protected from corrosion due to severe environmental stresses, including high and low temperatures, and rain drop erosio... | 01/09/2001 |
| 5654077 | Single-material fully isotropic laminates with multiple sublaminates The present invention discovers the layup of i. a multimaterial fully isotropic laminate that exhibits a concomitant stiffness isotropy in extension, shear, bending, and twisting; and ii. a multimaterial quasi-homogeneous anisotropic laminate that has identica... | 08/05/1997 |
| 5285986 | Rigid airship with a carrier frame of ribs and beams enclosed by skin sections forming an envelope An airship has a carrier frame with triangular cross-ribs arranged so that an apex faces upwardly and a base faces downwardly, whereby longitudinal beams at the corners of the triangles interconnect the cross-ribs. The carrier frame is enclosed by an enve... | 02/15/1994 |
| 5262220 | High strength structure assembly and method of making the same A high strength panel-like structure having a high strength to weight ratio. The structure comprises two integrally formed panel sections, each panel section comprising an outer sheet portion and inwardly extending ribs that are formed integrally with the... | 11/16/1993 |
| 5184141 | Structurally-embedded electronics assembly A structurally-embedded electronics assembly is disclosed and includes an outer skin member which is lightly loaded structurally, a primary load-carrying member positioned inboard from the outer skin member, a core member positioned between the primary lo... | 02/02/1993 |
| 5171623 | Drag reducing surface depressions Fluid friction of a body moving through air or water is reduced by means of a plurality of symmetrical depressions on the surface of the body. The symmetrical depressions are closely spaced but not quite abutting. The symmetrical depressions are sized in ... | 12/15/1992 |
| 5115998 | Annular balloon The invention provides a double-walled, annular balloon which requires less gas to inflate than its volume would indicate. The balloon is formed of double-walled gores joined by continuous overlapping seams, in the longitudinal direction, with intermitten... | 05/26/1992 |
| 5104059 | Long endurance high altitude balloon A high altitude, high pressure balloon comprised of a number of gores. The gores are made from a material and have a size, that are the results of an analysis of the anticipated stresses to which the balloon will be subjected. In particular, the gores are... | 04/14/1992 |
| 5082204 | All wing aircraft An all-wing aircraft is disclosed that has novel foreplane and depending aftplane, a center wing section and outer wing panel flying surfaces which cooperate aerodynamically to eliminate the need for conventional fuselage and tail structures. The foreplan... | 01/21/1992 |
| 4999236 | Fire resistant surfaces for hot air balloons The invention relates to improvements in hot air balloons and the like. An insulation of carbonaceous fibers is provided on the interior of the balloon's envelope and/or the skirt, nozzle or scoop which is light weight and provides flame and scortch prote... | 03/12/1991 |
| 4934631 | Lighter-than-air type vehicle A lighter-than-air type vehicle comprising a frame-work and a series of inflatable lift bags secured to said framework. The lift bags inwardly contain heating elements and a gas, such as hydrogen or helium, in intimate contact with the heater elements. A ... | 06/19/1990 |
