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| Number | Title | Issue Date |
| 6948681 | Automated cargo transportation system A modular automated air transport system comprising an unmanned autonomous aircraft having a selectively detachable control systems portion and a structural air frame portion, wherein the structural air frame portion contains an interior cargo hold, aerodynamic memb... | 09/27/2005 |
| 6688553 | Inflatable airfoils, and elevated and propulsion driven vehicles An aeronautical apparatus, the combination comprising a primary airfoil having at least one panel which is an upper panel, a lower panel, and multiple gas containing tubes associated with the airfoil and extending lengthwise thereof, the tubes including r... | 02/10/2004 |
| 6676084 | Small-sized radio-controlled flying device A small radio controlled flying device propelled by a thermal engine (20) with pusher type airscrew (19) for remote sensing, the device being capable of short take-off and landing and flying at maximum speed of 35 Km/h. The device includes a pod and wings... | 01/13/2004 |
| 6659403 | Inflatable airfoils, and elevated and propulsion driven vehicles An aeronautical apparatus, the combination comprising a primary airfoil having at least one panel which is an upper panel, a lower panel, and multiple gas containing tubes associated with the airfoil and extending lengthwise thereof, the tubes including r... | 12/09/2003 |
| 6508436 | Inflatable airfoils, and elevated and propulsion driven vehicles An aeronautical apparatus, the combination comprising a primary airfoil having at least one panel which is an upper panel, a lower panel, and multiple gas containing tubes associated with the airfoil and extending lengthwise thereof, the tubes including r... | 01/21/2003 |
| 6360991 | Motorized paraglider with automatic steering system for preventing upset A motorized paraglider including a wheeled frame with a steerable nose wheel and a pair of casters arranged in a tricycle configuration. Each of the casters has a trailing wheel and a support bracket rotatably carrying the trailing wheel. A swivel mechani... | 03/26/2002 |
| 6322021 | Deployable wing with propulsion for range extension A deployable wing that is folded so as to fit into a carrier such as an airplane that is released and automatically with the aid of parachutes to deploy and fly a given distance without assistance other than steering to reach a given destination and a pro... | 11/27/2001 |
| 5901924 | Speed enhanced powered parachute A powered parachute or pendulum flying machine which includes a mechanism for shortening the chord length of the parachute wing, a mechanism for shortening the distance between the upper and lower airflow surfaces of the parachute wing, and a mechanism fo... | 05/11/1999 |
| 5620153 | Light aircraft with inflatable parachute wing propelled by a ducted propeller A para-plane (parachute or parafoil airplane), ultralight, or the like is provided with a ducted propeller or fan to increase efficiency of the powerplant, thus reducing the size of the powerplant required. In addition, the duct may reduce propeller and/o... | 04/15/1997 |
| 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 |
| 5160100 | Airfoil canopy aircraft An aircraft comprises a vehicle (1) suspended in flight by a steering control rod (68) pivotally mounted to the body of the vehicle and having outer ends (12, 14) connected to the lower ends of load suspension lines (3, 5, 6) connected at their upper ends... | 11/03/1992 |
| 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 |
| 5044576 | Parawing with an automatic canopy withdrawing mechanism Disclosed is a parawing with an automatic canopy withdrawing mechanism having a canopy, a frame to which the canopy is fastened and on which a pilot can be carried, a propeller mounted on the frame, and a plurality rows of suspension lines interconnecting... | 09/03/1991 |
| 4938175 | Engine, particularly for ultralight aircraft An engine, particularly for ultralight aircraft, comprises an engine block carrying at least one pair of autonomous drive units with respective driving shafts connected independently to a common output shaft by means of respective one-way transmission uni... | 07/03/1990 |
| 4934630 | Powered airfoil canopy aircraft Load lines connect chordwise spaced portions of a ram air inflated, airfoil canopy to spaced anchors connected to a pilot supporting vehicle frame on which a forward thrust producing unit is removably mounted. The geometry of the assembled aircraft enhanc... | 06/19/1990 |
| 4930724 | Powered airfoil canopy aircraft Load lines connect chordwise spaced portions of a ram air inflated, airfoil canopy to spaced anchors connected to a pilot supporting vehicle frame on which a forward thrust producing unit is removably mounted. The geometry of the assembled aircraft enhanc... | 06/05/1990 |
| 4875642 | Light aircraft with parachute wing A light aircraft having a parachute-wing, a single propeller, and means for controlling the direction and speed of the aircraft by simple control lines to the canopy. The carriage is supported by at least two support lines which are secured at attachment ... | 10/24/1989 |
| 4824047 | Hang glider launch vehicle A lightweight, low cost, powered launch vehicle for carrying a hang glider aloft and releasing the glider for free flight provides an integral glider support frame for positioning the glider in flight-ready configuration and a selectively actuatable relea... | 04/25/1989 |
| 4781341 | Flying wing aircraft An ultralight aircraft having a generally rectangular, swept-back, single-surface wing. The wing, which is formed by fabric mounted on exposed spars and ribs, has a reflex profile to provide pitch stability which is further augmented by horizontal stabili... | 11/01/1988 |
| 4749149 | Ornithopter-type vehicle, and methods of constructing and utilizing same An ornithopter which is propelled upwardly and forwardly by means of flapping wings, similar to the flight of a bird or bat. The power is supplied by a small engine that is mechanically-connected to a hydraulic pump which drives a single hydraulic cylinde... | 06/07/1988 |
| 4662582 | Lightweight aircraft In a lightweight aircraft having a principal longitudinal load-carrying member, a wing structure mounted on the load-carrying member, a tail rudder and elevator assembly mounted on the load-carrying member, a propeller mounted on the load-carrying member ... | 05/05/1987 |
| 4657207 | Kit for converting a motorcycle to an airborne vehicle A kit for converting a motorcycle to an aircraft or airborne vehicle includes a glider type parachute with fore and aft lines for connecting to and supporting a motorcycle, in a balanced position, with a propeller system including counter rotating propell... | 04/14/1987 |
| 4624425 | Fixed wing light aircraft A fixed wing powered light aircraft has a fuselage formed by laterally spaced longitudinal tubular booms supporting a twin vertical stabilizer and rudder assembly and a horizontal stabilator. A tubular framework pylon structure is secured to the fuselage ... | 11/25/1986 |
| 4623108 | Airplane A model aircraft of the flying canopy type employs a cloth canopy wing of the type shown in the U.S. patent of Jalbert, U.S. Pat. No. Re. 24,427, and includes a platform, a power plant on the platform, and a plurality of upstanding pylons mounted on the p... | 11/18/1986 |
| 4611774 | Propeller drive assembly An assembly for mounting a propeller, which is driven by an aircraft engine, on a longitudinal member of a lightweight aircraft. The assembly includes a sleeve positioned about the longitudinal member, and a pair of opposed adjustable cups securing the sl... | 09/16/1986 |
| 4607811 | Propulsion unit for hang glider type aircraft, and aircraft fitted with the propulsion unit An aircraft of the hang glider type includes a wing (11) with a keel (12) in its plane of symmetry serving as a fastening point for a trapeze and a harness by which the pilot is suspended below the wing, the trapeze and the harness being disposed in conve... | 08/26/1986 |
| 4596368 | Ultralight aircraft with freely rotating wing An ultralight aircraft of lightweight minimal construction includes a collapsible Rogallo type wing from which a hang cage is suspended by a main hinge assembly. The wing includes a longitudinal keel of lightweight tubular construction, leading edge membe... | 06/24/1986 |
| 4424946 | Lightweight aircraft An ultralight aircraft has a single stick three-axis aerodynamic control, twin engined power control, wing- and tail-mounted ailerons, an inverted V-tail and wide span wings with upturned tips.... | 01/10/1984 |
| 4398684 | Connecting apparatus for a powerplant A connecting apparatus (16) for attaching a propeller or fan (14) to an engine (12) is disclosed. A connecting apparatus (16) includes a centrifugal clutch device (48) and drive and driven gears (40, 78) for reducing the speed of propeller (14) relative t... | 08/16/1983 |
| 4382566 | Lightweight aircraft In a lightweight aircraft having a principal longitudinal load-carrying member, a wing structure mounted on the load-carrying member, a tail rudder and elevator assembly mounted on the load-carrying member, a propeller mounted on the load-carrying member ... | 05/10/1983 |
| 4375280 | Free wing flyer A flying device capable of carrying man, which contains a wing, a fuselage, and means such as cables for attaching the wing to the fuselage so that the fuselage is suspended below the wing. The fuselage contains a propulsion unit and normally does not hav... | 03/01/1983 |
| 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 |
| 4270906 | Belt tensioner construction A belt tensioner for an endless drive belt for vehicle accessories has a shaft which is mounted in a fixed position adjacent the belt. A lever is pivotally mounted on the shaft and has an idler pulley rotatably mounted on an extended end of the lever. The... | 06/02/1981 |
| 4262863 | Powered hang glider with reduction drive A foot-launched and foot-landed hang glider is powered by an internal combustion two-cycle engine drivingly connected through a reduction-drive unit to a large relatively slow-moving propeller. A reduction mount, so referred to because it couples the redu... | 04/21/1981 |
| 4248394 | Remote control hang glider towing aircraft A remotely controlled powered aircraft equipped with engine, propeller and landing gear, radio-controlled from the ground and capable of towing a manned hang glider to an appropriate altitude. On reaching altitude, the pilot of the hang glider releases th... | 02/03/1981 |
| 4195801 | Partial piloting, lift propelling and propelling system A lift and propulsion system for partial piloting of a pendular effect piloted aircraft having a gliding structure. The system comprises a frame having a frame axis which is parallel to the pitch axis of the aircraft, the frame being rotatable about the f... | 04/01/1980 |
| 4180221 | Self propelled kite A self propelled kite having a frame including a nose piece, a stringer backwardly extending from the nose piece, and two spars attached to the nose piece equidistant and outwardly diverging in an upward inclination from the stringer. A substantially V-sh... | 12/25/1979 |
| 4158448 | Airplane with pivotable wing An airplane includes a wing having the configuration of an equilateral triangle and covered with a flexible membrane which is provided with free trailing edges. The wing is secured by pivot brackets to the top of supports placed at the center of gravity o... | 06/19/1979 |
| 4068810 | Combination motorcycle and hang-glider A combination motorcycle and hang-glider comprising a triangular wing formed by a flexible sheet material affixed to a trifurcated frame structure which is pivotally attached to a vehicle, such as a motorcycle suspended below the wing by a plurality of tr... | 01/17/1978 |
| 4023749 | Directional control system for artillery missiles Apparatus for controlling the powered flight phase of an artillery rocket a straight line as determined by a 2° of freedom gyroscope with spin axis aligned along the missile axis. The flight path is made insensitive to crosswinds, launching transients, ... | 05/17/1977 |
