Quotables
"The idea that cavalry will be replaced by these iron coaches is absurd. It is little short of treasonous."
Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8069801 | 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 sail, and that are positioned rearwardly of the trailing edge of the sail. The sec... | 12/06/2011 |
| 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 together define the skin of the wing sail. Spreaders extend transversely ... | 10/20/2009 |
| 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 that are positioned rearwardly of the trailing edge of the wing. The sec... | 12/09/2008 |
| 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 sailors. The anchoring sail comprises a first wing, a second wing attached t... | 08/05/2008 |
| 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 plurality of reinforcement elements are positioned which define, in thei... | 06/10/2008 |
| 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 arrangement for a profile element, and a drive arrangement for a watercr... | 10/30/2007 |
| 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 vessel's longitudinal center line in a canted fashion raked aft. The boom i... | 09/11/2007 |
| 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 power that can be used. A wing or sail is attached beneath a streamlined ... | 09/04/2007 |
| 6971430 | Cast composite sail and method An apparatus for casting sails comprising a roll stand configured to supply a carrier film. The apparatus contains a support mechanism for the carrier film, and further comprises of a drawing mechanism, a first resin dispenser, a first wiper portion, two yarn applic... | 12/06/2005 |
| 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 lifting forces from the wind. The propulsive force is used to propel a c... | 08/09/2005 |
| 6918346 | Marine craft towed by a kite-type canopy A marine craft includes a floating body, elements adapted to generate a center-board effect, in particular a center-board projecting beneath the floating body, and a rigging. The rigging includes at least a directional kite forming a canopy and a series of sheets co... | 07/19/2005 |
| 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 orientation when mounted to a sailboat and exposed to wind loading. The sh... | 05/03/2005 |
| 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 reinforcement stitching may extend along at least half of the lengths of the... | 01/18/2005 |
| 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 attached to the hub by supports. Each of the petals has reg... | 02/10/2004 |
| 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 corresponding members making up the serrated flaps are not fixed to th... | 02/03/2004 |
| 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 counterbalanced by the weight of a sailor primarily through the s... | 12/30/2003 |
| 6622648 | Sail and method of manufacture thereof A sailboat sail and method of manufacture thereof, the sail material being chosen from a group of materials which lay substantially flat at all points when laid against a planar surface but which stretch under wind loading when attached to a sailboat to a... | 09/23/2003 |
| 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 to each other.... | 09/23/2003 |
| 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 craft. The halyard connected to the heads (83) of port and star... | 08/13/2002 |
| 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.... | 05/07/2002 |
| 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 panel to panel define load paths such as from head to clew an... | 11/06/2001 |
| 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 reinforced material (20) laminated between first and secon... | 10/16/2001 |
| 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.... | 07/17/2001 |
| 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.... | 07/10/2001 |
| 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 flexibility of the sailcloth, and the flexible solar cells ar... | 05/29/2001 |
| 6230641 | Process for producing a convex sail or a tensile structure A process for modelling a sail with a sandwich configuration and a three-dimensional convex shape, wherein the "mould" is formed by a semirigid film material which has a shape identical to that of the sail to be produced. On this kind of "parent sail", a ... | 05/15/2001 |
| 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 provided a bag/lung-shaped body which can be filled with air ... | 11/07/2000 |
| 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 lower edge is connected to a boom. The boom is connected in a... | 09/05/2000 |
| 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 second end and a second are having a first end and a seco... | 04/14/1998 |
| 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 headsail is pivotable relative to the mainsail and is restricte... | 03/31/1998 |
| 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 attitudes relative to the respective ends of the vessel. T... | 03/10/1998 |
| 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 airfoil freely pivoted on a first boom extended upstream of... | 04/22/1997 |
| 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 planes constructed in a way that allows the device to be used... | 09/12/1995 |
| 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 which serves reefing purposes. The auxiliary sail is triang... | 12/28/1993 |
| 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 spanning the vertical spacings between said crossbeams. E... | 11/23/1993 |
| 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 mast to a trailing portion having a batten realignment cavity... | 10/05/1993 |
| 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 such a way that the vessel skims across the water riding on ... | 06/01/1993 |
| 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 the sail edge to extend normally thereto. A diagonal batten... | 08/13/1991 |
| 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 side of it disposed close to the luff. In one embodiment t... | 11/06/1990 |
| 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 surface of the sailboard. This top section of the mast is also... | 10/23/1990 |
