Matches 1 - 50 out of 63 1 2 >
Match Document Document Title
7603958 Light-weight, soft wing-sail for wind-propelled vehicle  
A light-weight soft wing-sail for a wind-propelled vehicle includes a free standing rotating mast to be mounted in a vertical position on the vehicle and, three fully battened sail panels that...
7574972 Three-dimensional sail apparatus  
A three-dimensional sail apparatus that is made up of a plurality of spacedly disposed foils and a sail cloth for attachment to the foils on opposite sides thereof. Each foil has opposed sail cloth...
7461609 Apparatus for control of pivoting wing-type sail  
A steerable wing-type sail system for a wind powered craft. The system includes first and second secondary airfoils and that are spaced outwardly to the sides of the plane of the main wing, and...
7406922 Spoiler anchoring sail  
Disclosed is a spoiler anchoring sail that counters the swinging and jerking of a sailboat during anchoring or mooring, thereby providing a convenient, comfortable and secure environment to...
7383783 Apparatus and method to make a sail and relative sail made  
A sail having at least three tops and three corresponding edges opposite the tops and comprising a plurality of panels each of which in turn comprises two outer covering layers, between which a...
7287481 Launch and retrieval arrangement for an aerodynamic profile element and an aerodynamic profile element  
The invention relates to an aerodynamic profile element for energy production using traction force, in particular for driving watercraft. The invention further relates to a launch and retrieval...
7267065 Sailing vessel with lateen sail rigging  
A lateen rigged sailing vessel having a mast; a luffspar; a boom; a pair of lateral struts; and a lateen sail, has a lower end of the mast mounted forward on the vessel and positioned on the...
7263939 Simplified elevated sailing apparatus  
An elevated sailing apparatus that extracts traction power from the wind. It operates without the heeling moment (typical of conventional sailboats), which constrains the design and limits the...
6925949 Elevated sailing apparatus  
An elevated sailing apparatus that includes one or more wings, tethered to a conveyance, and suspended from beneath a streamlined, lighter-than-air blimp. The wings generate both propulsive and...
6886483 Sail and method of manufacture thereof  
A sailboat sail includes a sheet of material that contains stretchable webs that assume a planar orientation when placed against a planar surface, but which can stretch into a sail or airfoil...
6843194 Sail with reinforcement stitching and method for making  
A sail body comprises sail body material with reinforcement stitching along expected load lines. Optionally, the sail body may be a molded, three-dimensional sail body. At least half of the...
RE38448 Sail for a wind-powered vehicle  
A sail for a wind powered vehicle such as a surfboard, sailing boat or the like is provided wherein a sail is connected along its front edge to a mast and wherein the said sail at its clew or...
6689952 Large membrane space structure and method for its deployment and expansion  
A large membrane space structure deployed and spanned by centrifugal force owing to the spin motion, contains a hub located at a central portion thereof and a sail including a plurality of petals...
6684802 Serrated leech flaps for sails  
In an improved sail for a sailboat, the trailing edges of a pair of serrated flaps of sailcloth are attached to the trailing edge of the sail, one on each side; the leading portions of...
6668741 High performance sailing craft  
Sailing craft having a hull, a seat disposed toward the rear of the hull and largely outboard of the hull, a mast affixed directly to the seat so that heeling forces applied to the mast are...
6624098 Sailcloth having improved stability  
A sailcloth is constructed by laminating two layers of cloth together with a central layer of film. The cloth layers are oriented such that stretch resistant yarns in the layers run perpendicular...
6431100 Stowable semi-rigid wing sail system  
A stowable semi rigid airfoil assembly, functions automatically to airflow as a draft adjusting wing sail, or spinnaker sail ( 19 ), for use on a mast ( 17 ) with a halyard ( 41 ) on a wind powered...
6382120 Seamed sail and method of manufacture  
A seamed sail made from a full size precursor sail of yarn oriented load path specific type which is thereafter cut and seamed; a method for making the sail and an apparatus for it.
6311633 Woven fiber-oriented sails and sail material therefor  
Fiber-oriented sails, including a method of manufacture, wherein woven, laminated panels of oriented fibers are of oriented fill yarns, e.g., in a woven cross-cut panel and the fill yarns, from...
6302044 Multisection sail body and method for making  
A sail body (3), which can be finished along its edges and corners to create a finished sail (2), includes a number of sail sections(46) joined along their edges (47). Each sail section includes a...
6260497 Sail and method of manufacture  
Fiber oriented sails made of woven panels of scrim type weave wherein warp yarns in the panels follow primary load paths in a sail and a method for making woven panels.
6257160 Sail of woven material and method of manufacture  
Fiber oriented sails made of woven panels of scrim type weave wherein warp yarns in the panels follow primary load paths in a sail and a method for making woven panels and sails.
6237521 Sailcloth arrangement for sails of water-going vessels  
A sailcloth arrangement for a sail of a water-going vessel has a sailcloth base and flexible solar cells attached to the sailcloth base. The flexible solar cells have a flexibility matching the...
6230641 Process for producing a convex sail or a tensile structure  
6141809 Wing profile sail  
A wing profile sail is in the form of a sailcloth which defines an airfoil-shaped space, which is filled with air through openings or one-way closing mechanisms. At the sail's luff (1) there is...
6112688 Sail for a wind-powered vehicle  
A sail for a wind powered vehicle such as a surfboard, sailing boat or the like is provided wherein a sail is connected along its front edge to a mast and wherein the said at its clew or at its...
5738032 Compound sail foot construction for improved kinetics  
A panel to couple to a sail is provided. The sail includes a tack and clew and a foot chord essentially positioned between the tack and clew. The panel includes a first arc having a first end and a...
5732643 Sail for wind-powered conveyances  
A sail includes a headsail and a mainsail each having leading and trailing edge portions with the headsail trailing edge portion being disposed adjacent the mainsail leading edge portion. The...
5724905 Sailboats  
A proa sailing vessel has spaced hulls each having underwater shapes which are substantially symmetrical about a central athwartship axis and a mast which may be pivoted between forwardly inclined...
5622131 Compact self-trimming wingsail  
A wingsail assembly in which at least one thrust wing is mounted for free rotation about an upright axis and defining by its free rotation a trimming circle. The assembly includes a first control...
5448961 User supported portable sail  
This is a user supported portable sail used to provide wind powered momentum for an individual on a moveable base. The invention involves the use of a balanced aerodynamic sail with the airfoil...
5272996 Surfboard sail  
A surfing sail includes a basic sail, whose luff is attached to a mast associated in the usual way with a boom to the aft end of which is attached the clew of the basic sail and an auxiliary sail...
5263429 Airfoil sail  
Airfoil sail for a sailboat of which the length-adjustable mast consists of several telescoping pipes 12, 18, 20 holding individually raised or reefed sail crossbeams 44, 48, 52 with sail coverings...
5249542 Cambered airfoil, and craft comprising same  
A self-cambering airfoil, comprising a mast to which a camber inducer member is secured for rotational movement about the axis of the mast. The camber inducer member extends rearwardly from the...
5215483 High speed sea train  
A vessel for pleasure or cargo transportation in which the vessel is born by a special flotation method comprising a plurality of circular floats that are designed to be rotated at high speed in...
5038699 Sail shaping arrangement for a sailing craft  
A sail shaping arrangement is disclosed for horizontal edges of a sail including a web formed along one side in a curved shape corresponding to the desired camber of the sail, the web attached to...
4967680 Vertically zip-reefing sail  
A zip-fastener on each side of a working sail, for example a mainsail, makes it possible to remove from the effective area of the sail an elongated triangular area with its apex at the top and one...
4964353 Windsurfer sail  
A windsurfer sail where the top section of the mast of the sail is arcuately curved a substantial amount where the longitudinal center axis of the top edge of the mast is parallel to the upper...
4858854 Inflatable aerodynamic wing structure  
An inflatable aerodynamic wing structure comprising an aerodynamic skin, a first inflatable member positioned inside the skin such that it extends longitudinally of the wing structure adjacent a...
4830315 Airfoil-shaped body  
An airfoil-shaped body has a relatively thin trailing edge with a series of alternating, adjoining, downstream extending troughs and ridges in its suction surface which form wave-like surface...
4753183 Double boom rigged windsurfer  
Wind propelled apparatus employing a mast and a sail, in particular a windsurfer for boardsailing is provided with a first boom, rigged in the usual fashion, and also having a second boom of...
4751890 Boat sails mounted on winding booms  
The invention relates to an improvement in boat sails, which consists in providing one of the faces of the sail, and over at least part of the length of its leech, with a flat reinforcement which...
4708075 Multi-hull sailboat with fixed airfoils  
A three hulled sailboat consists of a tripod frame having three downwardly inclined spars which define support points at their distal ends. During the sailing of the boat, one support point is...
4677928 Circular linked rotating foil assembly for vessels  
A sailing craft has a circular linked rotating structure mounted on a vertical support or mast and within the circular structure are a plurality of parallel thin foils. The entire circular...
4637333 Sail having a honeycomb array of pockets  
A sail for a wind driven craft includes a panel having a multiplicity of pockets disposed in contiguous rows, and staggered with respect to pockets in adjacent rows, and aligned with pockets in...
4612870 Structures and methods of forming sea anchors  
Structures and methods for constructing sea anchors having body portions defined by at least three spaced corners or vertices wherein bail ropes are sewn to and extend diagonally inwardly from each...
4590121 Sail cloth  
Sail cloth is made up from a plurality of yarns in one direction woven together with a plurality of film tapes in the other direction to provide a cloth having improved properties.
4554205 Laminated sailcloth  
An improved sailcloth is composed of a laminate of two fabrics, are being tightly woven, light weight, highly resinated cloth, and the other being a loosely woven or knit fabric.
4499842 Sail cloth and sail made therefrom  
A sail cloth is provided from a woven substrate which contains two or more warp yarns that are intersected by fill yarns in a regular or repeating pattern. In constructing the sail, the cloth is...
4497272 Mastless sails  
Mastless sails for a boat or ship which comprise sails having capability for utilizing static and dynamic lift in combination with drag, gravity, and line tension to provide stability and...
Matches 1 - 50 out of 63 1 2 >