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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 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 embodiments, the hybrid airship may be launched using buoyancy lift alone and... | 11/21/2006 |
| 7051973 | Airborne enhancement device An airborne enhancement device comprises a harness adapted to secure to a body of a user. A collar is coupled to the harness. A wing is coupled to the collar by at least one structural member. The wing is adjustably deployable. The wing is configured to adjust betwe... | 05/30/2006 |
| 6951322 | Personal aircraft device A personal aircraft device (“PAD”) and a powered personal aircraft device (“PPAD”) configured to be ridden and/or releasably connected to a person or user. The personal aircraft device can be configured to provide a large array of maneuvers during sky diving... | 10/04/2005 |
| 6837463 | Ram air inflated wing A wing for a traction kite, etc comprises a plurality of cells formed by chordwise-extending ribs (3), valved openings (6) to the cells allowing ram air to inflate the wing. By changing the initial cut-out of the material forming the cells near wing ti... | 01/04/2005 |
| 6769648 | Personal aircraft device A personal aircraft device (“PAD”) and a powered personal aircraft device (“PPAD”) configured to be ridden and/or releasably connected to a person or user. The personal aircraft device can be configured to provide a large array of maneuvers during sky diving... | 08/03/2004 |
| 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 |
| 6530540 | Flapping-wing flying device A flapping wing flying device comprises wings that pivot about a pivot axis extending generally perpendicularly to an elongate body of the flying device, and wings that move relative to said elongate body of the flying device, so that the entire leading e... | 03/11/2003 |
| 6364251 | Airwing structure The airwing structure according to the present invention comprises of an airfoil structure, a main frame, and a means for providing a downward and a forward tension on the airfoil structure. The airfoil structure further comprises of a leading edge, a tra... | 04/02/2002 |
| 6293490 | Aircraft Aircraft, in particular a hang-glider, with a flexible wing and a pilot's position preferably arranged beneath it, from which space the aircraft can be controlled, wherein the trailing edge of the flexible wing can be locally raised and/or lowered by mean... | 09/25/2001 |
| 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 |
| 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 |
| 5402969 | Aircraft structure An aircraft structure, such as a glider including a wing having a substantially flat, upper, first surface and a convex, lower, second surface. The wing first and second surfaces converge to a leading edge and a trailing edge. A weighted member is used to... | 04/04/1995 |
| 5370341 | Ultralight helicopter and control system An ultralight helicopter has a pair of counter-rotating rotor assemblies which in combination yield zero net angular momentum when rotating at equal speeds. A single motor drives both rotors through a counter-rotating bevel gear set coupled to a pair of c... | 12/06/1994 |
| 5362017 | Parawing A self-inflatable parawing comprises an airfoil made of a flexible sheet erial and having a plurality of apertures located in the lower, aft surface thereof for admitting inflating air created by the positive air pressure of the air stream flowing over t... | 11/08/1994 |
| 5251853 | Canopy for paraglider and/or parachute A canopy for a paraglider or a parachute. The canopy including upper and lower sides and a plurality of ribs extending between the sides and made of a mesh cloth. The upper and lower sides and the ribs define a plurality of cells which are arranged adjace... | 10/12/1993 |
| 5252068 | Weight-shift flight control transducer and computer controlled flight simulator, hang gliders and ultralight aircraft utilizing the same The weight-shift movements of a suspended pilot are transformed into electrical signals representative of the movements. The signals may be used as the pitch and roll input information in an interactive computerized flight simulation system. The signals m... | 10/12/1993 |
| 5217189 | Suspension flight control method and apparatus A flight control apparatus for use in an aircraft includes support structure for suspending a pilot beneath a pair of wings while permitting movement of the pilot relative to the aircraft in the forward, rearward and both lateral directions. A control sys... | 06/08/1993 |
| 5170965 | Hang glider which can fly by human strength A human powered hang glider has a right main wing and a left main wing, both of which are swingably attached to a post by a universal joint. A rope is stretched in a loop shape between a pedal provided at a lower part of the post and the main wing, and is... | 12/15/1992 |
| 5078335 | Device making it possible to convert a motorcycle into a motorized ultralight aircraft The device comprises an arch-like structure (3), shaped similar to a cage, which can be fixed to the motorcycle (1), essentially to its frame and sides; a parafoil sail (5), which can be mounted at the top of the cage, the sail ends being lowerable by a p... | 01/07/1992 |
| 5054721 | Vertical takeoff aircraft A vertical takeoff ultralight aircraft having an operator controlled high volume vane axial fan in communication with a conduit configured to direct an air stream produced by the fan to a spanwise air duct disposed forwardly of a wing including an air foi... | 10/08/1991 |
| 4930726 | Built-in control flaps for a multi-cell wing type canopy A built-in control flap for a ram air, multi-cell, wing type canopy having a ram air inlet is located in each side of the canopy at the rear portion thereof. Each built-in control flap is separated from the adjacent center portion of the canopy between th... | 06/05/1990 |
| 4871132 | Aerodynamic structural pipe for hang gliders The invention provides an aerodynamically profiled structural pipe (1) comprising a supporting pipe (2) and a rear tapered part (3) of soft material. The tapered part (3) has on both sides beads (15) forced into and captively held by rearwardly open chamb... | 10/03/1989 |
| 4860970 | Nonrigid wing aircraft An aircraft includes a nonrigid dynamically inflated airfoil wing which carries an operator. The operator is suspended by a plurality of shrouds which interconnect the wing to a control stick. The control stick position is varied to change the angle of at... | 08/29/1989 |
| 4742977 | Wing structure with self-induced camber An improved wing structure is provided having a self-induced camber. The wing comprises an aerodynamic dihedral sail structure having a fabric sail tensioned on a supporting frame comprised of lateral brace members and a longitudinal member intermediate t... | 05/10/1988 |
| 4708078 | Propulsive wing with inflatable armature A very light wing, configured like a spherical segment, is intended to be used in the traction and lift of various loads. The wing includes a leading edge and a trailing edge and an inflatable armature covered by a flexible envelope. The surfaces of the w... | 11/24/1987 |
| 4634080 | Parafoil vertical lift mechanism The invention is an improved method and device for utilizing the principles of lift achieved through the dynamic physics of the airfoil. In the case of the present invention, the airfoil utilized is a parafoil. The parafoil of the present invention is a m... | 01/06/1987 |
| 4613102 | Pneumatic deicers with template A pneumatic deicer having a deformable sheet formed of a fluid-impervious, resilient material adapted to be secured with respect to the leading edge of an aircraft wing. A rigid template with spaced, parallel apertures is secured to the face of the deform... | 09/23/1986 |
| 4568043 | Ultra-light aircraft with freely rotating rigid wing An ultra-light aircraft of light-weight minimal construction includes a rigid wing from which a hang cage is suspended by a main hinge assembly. Rotation of the wing without pilot intervention induced by positive or negative wind gusts striking the wing c... | 02/04/1986 |
| 4567043 | Canine corona virus vaccine An efficacious parenterally administered modified live Canine Corona virus vaccine which provides systemic, humoral protection and also protection of the intestinal tract in dogs from infection by virulent Canine Corona virus is produced. A method for pro... | 01/28/1986 |
| 4417707 | Human powered hang glider A human powered hang glider (10) has a fixed wing portion (12) and a pair of movable wing portions (14, 16). Flexible sheet material (26, 28) is connected to trailing edges (30, 32) of the movable wing portions (14, 16). A support structure (34, 36) for t... | 11/29/1983 |
| 4403755 | Method and apparatus for use in harnessing solar energy to provide initial acceleration and propulsion of devices The present invention relates to a method of providing thrust and added lift to a vehicle by accelerating fluid heated by solar energy. The present invention also relates to apparatus for carrying out the aforementioned method. Accordingly, the present in... | 09/13/1983 |
| 4372506 | Landing gear for ultralight aircraft A landing gear for ultralight aircraft includes a main landing gear assembly disposed in a position relative to the longitudinal axis of the aircraft to permit either tail wheel type landing or tricycle landing operations with the assembly including an ar... | 02/08/1983 |
| 4336913 | Compound wing aircraft An aircraft, either rigid-wing or a collapsible hang-glider, is provided which is a bi-plane of apparent annular-wing construction in plan view, but the wing tips of an anhedral foreplane are separated from and above the wing tips of a dihedral aftplane. ... | 06/29/1982 |
| 4198019 | Flexible airframe flying wing A flexible airframe flying wing, such as used for hang gliding, includes a central rib to which is perpendicularly connected two flexible spars. In turn, a plurality of floating ribs are releasably connected to the flexible spars, and extend generally par... | 04/15/1980 |
| 4116407 | Hang glider with collapsible airfoil A device capable of flight comprising a wing which includes a leading edge member. The leading edge member has an aerodynamically shaped exterior surface and upper and lower aft sections. The wing also includes upper and lower flexible membranes, a first ... | 09/26/1978 |
| 4068607 | Controllable wing sail A sail and rigging arranged to be easily installed on and removed from a hull in which the sail is a wing-like element having a high aspect ratio, and the rigging includes a supporting structure for holding the sail in the position that will provide the m... | 01/17/1978 |
| 3995799 | Hang glider A biwinged high performance collapsible hang glider having a simplified integrated frame, having a reinforcing cable system, having a variable camber upper swept wing including a sail, with non-rigid leading and trailing edges, and a flexible batten, havi... | 12/07/1976 |
| 3952975 | Inflatable kite An inflatable kite exhibiting excellent lift and stability characteristics without an auxiliary tail, even in small size kites from about 12 to about 18 inches long. The kite of this invention comprises an inflatable body member provided with a rounded le... | 04/27/1976 |
