Class 244/901 - Having delta shaped wing

Subclass of Class 244 - Aeronautics and astronautics
Definition: Subject matter wherein the air foil is a generally triangular-shaped
No. of patents: 19
Last issue date: 08/22/2006

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Number	Title	Issue Date
7093789	Delta-winged 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 may have the shape of a delta-wing. In some embodiments, the hybrid airship may be launched using buoyancy lift alone and aero...	08/22/2006
6626397	Autonomous flying wing An unmanned flying vehicle comprises an autonomous flying wing having at least two wing portions arranged substantially symmetrically about a center portion. Each wing portion is pivotally attached to each adjoining portion such that the wing portions are...	09/30/2003
6179248	Aircraft An aircraft is composed of two elongated inflated, flexible tubes diverging from each other from a nose of the aircraft toward a trailing edge. First and second membranes span the upper and lower surfaces of the tubes respectively to provide upper and low...	01/30/2001
5915650	Aircraft wing with dual axis mobility A wing structure for hang gliders, ultralites, gliders, heavy aircraft, ornithopters and sailsoaring flying boats which has a first wing set that pivots on two axis, and a second wing set that remains substantially immobile relative to the fuselage or kee...	06/29/1999
5884863	Method and apparatus for deploying a wing The deployable wing of the present invention comprises an internal structure having diverging leading edge spars attached to a keel spar and cross spars to form a delta wing configuration. This internal structure is enclosed within a volume defined by a f...	03/23/1999
5816537	Inflatable kite arrangement and launcher An inflatable kite (150) that includes a plurality of longitudinal inflatable tubes (54). The kite includes transverse inflatable tube (53) at the rear end of the kite. When the kite is inflated, the front end has a larger cross-sectional area than the re...	10/06/1998
5530445	Parafoil-borne distress signals Distress signal kits comprise a parafoil for carrying aloft various emergency or distress signals such as radar reflective materials, lights, flares, distress flags or smoke signals. Preferably the parafoil itself is colored International orange and conta...	06/25/1996
5474257	Deployable wing The deployable wing of the present invention comprises an internal structure having diverging leading edge spars attached to a keel spar and cross spars to form a delta wing configuration. This internal structure is enclosed within a volume defined by a f...	12/12/1995
4969615	Delta squared kite The present invention is for a kite which in its simplest form has a first edge spar and second edge spar which are equal in length and attaching to a flexible coupling such that when the coupling is in its neutral position the attached spars are substant...	11/13/1990
4958787	Kite The frame for the kite extends outwardly to side tips at a swept back angle and includes a pair of inwardly disposed extensions leading rearwardly at an angle directed to the opposite side of the kite. The extensions extend across each other at an angle t...	09/25/1990
4209148	Flying wing The flying wing comprises a rigid frame and a fabric canopy secured to the frame. The canopy has propelling, braking and steering hyperlift nozzles arranged on the surface of the canopy for canalizing the flow of air rearwardly from the under side to the ...	06/24/1980
4186680	Sail assembly A skate sail is rigged with leading edge spars set by manipulation of a cruciform frame. The sail and frame assembly is suitable for mounting on a boat or vehicle as well as for being hand held, and is collapsible for compact stowing. When provided with a...	02/05/1980
4133500	Toy kites A toy kite has the general form of a hang glider and has a tow line which is releasable from the kite when in flight by slackening the tension in the tow line. Spars of the kite frame are hinged together by unitary plastic hinges and the frame can be fold...	01/09/1979
4116406	Hang glider having inflatable airfoil A high performance hang glider includes a frame to which is attached flexible sail fabric to create a delta-shaped Rogallo wing. The sail is of double thickness throughout a substantial portion of the wing area to provide an envelope inflatable in flight ...	09/26/1978
4067515	Hang glider A kite-like device used by an individual for gliding or soaring through the air usually commencing from a high elevation such as a mountain top. The glider comprises a pair of leading members and a keel interconnected by a nose plate, a cross member exten...	01/10/1978
4050654	Hang glider A foot-launched passenger carrying wing capable of flight including a frame, a flexible wing covering the frame, a keel, a bracket slidable on the keel, cross brace members pivotally attached to the bracket at one end and to leading edge members of the fr...	09/27/1977
4047679	Triangular-wing glider A light triangular-wing glider, comprises an auxiliary wing or stabilizer, arranged in an average plane approximately parallel to that of the principal wing, in front and above the latter. This auxiliary wing is flexible, principally constituted from a ma...	09/13/1977
3949519	Toy glider A flexible wing glider including a highly flexible, air impervious diaphragm which is secured to a central longitudinal keel and two rearwardly and outwardly diverging leading edge spars to form a pair of symmetrical, semi-conical wing sections. A payload...	04/13/1976
3936012	Hang glider A device capable of flight comprising a frame including first and second leading edte members, a keel interconnected to the leading edge members, a first cross member attached to the keel and to the first leading edge member, and a second cross member att...	02/03/1976

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Class 244/901 - Having delta shaped wing