1
Sutton Stephen John: Parachute. Sutton Jack, July 9, 1974: US3822844 (30 worldwide citation)

This invention relates to a parachute of the ram air canopy type wherein a canopy is made from a skin formed into a series of elongated, inflatable parallel cells disposed in side-by-side relation to constitute an airfoil when inflated. The inventive concept of the application is the formation of op ...


2
Jalbert Domina C: Aerial sled. July 31, 1973: US3749337 (29 worldwide citation)

An aerial device in the form of a wing having upper and lower flexible layers and a leading edge and a trailing edge, a wall of the wing having an opening facing outward from the bottom or a side of the wing forming an inlet for flow of pressurized air into the wing, and a normally open flexible val ...


3
William L B Gargano: Gliding parachute. Edward Strong, Brown & Martin, August 23, 1983: US04399969 (28 worldwide citation)

A gliding parachute of the flexible, multi-cell airfoil type having a length to width ratio in the range of approximately 2:1 to 2.85:1, a maximum camber height to chord ratio in the range of approximately 0.1:1 to 0.2:1, a wing span to load attachment distance ratio of approximately 2:1, and an att ...


4
James H Yim: Airwing structure. John K Park, Park & Sutton, April 2, 2002: US06364251 (25 worldwide citation)

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 trailing edge, a left edge, a right edge, a cent ...


5
Andrew W Jones, Raymond Merry: Aerofoil structure. Scrivener Parker Scrivener & Clarke, December 12, 1978: US04129272 (24 worldwide citation)

An aerofoil structure which is inflatable by ram air when in use, includes a flexible multi-cell air fillable envelope having a readily removable flexible spar at its leading edge whose ends provide anchorages for a pair of operator control lines. In use the spar flexs to accommodate variations in a ...


6
Michael W Higgins: Control system for ram air gliding parachute. Joseph E Rusz, Richard J Killoren, November 27, 1979: US04175722 (23 worldwide citation)

A system for inducing turns in ram air canopy parachutes having a plurality of openings in the upper surface layer of the parachute canopy with the openings being equally distributed on opposite sides of the parachute centerline. Flaps are provided on the under side of the upper surface layer to clo ...


7
Robert L Radkey, Bart D Hibbs: Leading edge inlet for ram air pressurized airfoil. Aerovironment, Harvey B Jacobson, September 27, 1983: US04406433 (19 worldwide citation)

The air scoop opening at the leading edge of a flexible, ram-air inflated airfoil canopy, is framed between curved lip sections extending tangentially from the upper and lower surface members of the canopy to prevent airflow separation adjacent the leading edge and the drag producing effect thereof. ...


8
Snyder Stephen L: Ram air glide parachute. April 3, 1973: US3724789 (19 worldwide citation)

An airfoil-shaped parachute having airflow channels formed below a top flexible canopy between ribs extending from the leading edge of the canopy toward its trailing edge. Suspension lines are secured to the lower edges of the ribs for supporting a payload. The airflow through the channels and the d ...


9
Glen J Brown, Roy Haggard: Inflatable structure paraglider. Vertigo, William W Haefliger, September 14, 1993: US05244169 (18 worldwide citation)

A paraglider having ram-air inflated left and right wings and supported above a pilot by suspension lines, the wings consisting of foldable and flexible sheet material and defining front openings to receive ram-air to inflate the wings in flight, the combination comprising; fluid inflated spar tube ...


10
Bruce E Case, Phillip E Kadlec: Parachute reefing system. BRS, Dean P Edmundson, September 5, 1989: US04863119 (17 worldwide citation)

A reefing system comprising an annular flexible membrane having a centrally located vent opening and a plurality of guides symmetrically spaced around the periphery of the membrane. The reefing system retards or slows opening of the canopy of a parachute in order to reduce the shock normally encount ...



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