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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7270067 | Wheel-controlled sails The present invention simplifies sailing providing control of one or more sails with a wheel. The proposed system eliminates the need to control boom-footed sails separately, giving benefits of less gear and rig for short handed sailing. The wheel controlling the sa... | 09/18/2007 |
| 7234406 | Fast sail This invention belongs to the field of wind propelled vehicles. The goal of the invention is to provide large sails creating no overturning force. This is achieved by placing the top part of the sail above the vehicle and the bottom part of the sail aside from the v... | 06/26/2007 |
| 7090236 | Mounting system, sail, steering mechanism and frame for a landsailer A mounting system for a boom (14) of a landsailer (1) includes a resilient flexible member (12), at one end engageable with a rearward portion of the landsailer frame (2) and at the other end with the main sheet (13). A steering me... | 08/15/2006 |
| 6932301 | Buckle for kites and the like Described is a device that releaseably couples a person to kites and other like sports equipment. The device for coupling to kites and other like sports equipment comprises a releasable hook mechanism attached to a spreader bar, said releasable hook mechanism compri... | 08/23/2005 |
| 6912930 | Flex spline for meshing type gear device, and meshing type gear device having flex spline A flex spline 1 used for a meshing type gear device includes an attachment portion 1a, a thin-thickness tubular portion 1b continuing to the attachment portion and capable of being elastically deformed, and external teeth 1 | 07/05/2005 |
| 6779473 | Winged sailing craft A sailing craft that can transform from wind propulsion mode to flying mode, comprises a body and two sails or wings each pivotally connected to a common boom which is supported by a spar pivotally connected to the body. The dihedral angle between the wings can be v... | 08/24/2004 |
| 6662738 | Lifting-sail boat apparatus and method A lifting-sail rig and method comprising airfoils, or efficient aerodynamically shaped leading edge soft sails, supported by an improved non-interfering fixed mast rig positioned away from the lifting-sail for increased aerodynamic efficiency and ease of ... | 12/16/2003 |
| 6513759 | Sports kites A control device for a surfer's sports kite has a hand-holdable elongate control bar for steering the kite. A central control line is used for changing the effective curvature of the kite and therefore the power generated by the kite. The control device i... | 02/04/2003 |
| 6435118 | Pawley sailboat and rigging design A sailboat with a planning hull and a mast stepped aft of amidship. The mail sail and foresails are loose footed and attached to a midstay and forestay respectively. The mast is angled towards the rear of the boat and the resultant configuration eliminate... | 08/20/2002 |
| 5423274 | Sailboat A sailing craft having a hull with a longitudinal midplane. A primary boom is pivotally mounted on the hull for 360° continuous rotation in either direction about a central vertical axis. The primary boom is connected by lines to a sail boom. At least on... | 06/13/1995 |
| 5419269 | Sailing boat The present invention provides a sail boat having a single main sail having a corner between a taut luff edge and a foot edge. A snatch lock is provided at the corner for securing the corner to the bow of the boat, e.g. to U-bolt. When it is required to c... | 05/30/1995 |
| 5231943 | Sail plan for sailing craft A plan for a sail of a sailing craft such as a sailboat, an iceboat and a land yacht having a hull. At least one mast is mounted on an end of the hull and the mast angles upwardly over the hull. A boom is pivotably mounted approximately amidships of the h... | 08/03/1993 |
| 5119748 | Sailing system employing radial force sail A radial force sail (22) for propelling land or water craft includes a continuously curved anhedral section (24) having its tip portions interconnected with substantially rigid, dihedrally disposed struts (26) and (28) that converge towards each other and... | 06/09/1992 |
| 5003903 | Fluid foil system An improved fluid foil system which is particularly adapted yet not limited to use in sail craft. When used in e.g. a sailboat, the foil is rotationally supported with respect to a mast and laterally tiltable about a longitudinal axis in either direction ... | 04/02/1991 |
| 4864949 | Fluid foil system An improved fluid foil system which is particularly adapted yet not limited to use in sail craft. When used in e.g. a sailboat, the foil is rotationally supported with respect to a mast and laterally tiltable about a longitudinal axis in either direction ... | 09/12/1989 |
| 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 leading edge portion of the wing structure, a second inflata... | 08/22/1989 |
| 4653416 | Sailboard Sailboard comprising a sail assembly and a floatboard (2) supporting the sail assembly. The sail assembly comprises two wings (4, 5) in relatively displaced relation to each other, the two wings having substantially parallel leading edges (6, 7), the two ... | 03/31/1987 |
| 4604959 | Wind-propelled craft A wind-propelled craft is disclosed which comprises a hull supporting a pair of unstayed masts arranged to pivot about an axis lying in approximately horizontal plane between a first position, in which one mast extends substantially vertically and the oth... | 08/12/1986 |
| 4558655 | Sail unit for the purpose of sport and composite device related to said unit Sailboard comprising a sail assembly and a floatboard (2) supporting the sail assembly. The sail assembly comprises two wings (4, 5) in relatively displaced relation to each other, the two wings having substantially parallel leading edges (6, 7), the two ... | 12/17/1985 |
| 4541355 | Sail rigging The sailing device has a hull, a framed sail, a boom which is connected at its upper end to the sail by a universal connection located at the center of gravity of the sail, a vertical mast, an auxiliary boom pivotally connected at its lower end to the mas... | 09/17/1985 |
| 4501216 | Sail and rigging for a sailing-apparatus The sail is formed by a structure of stiffening elements comprising ribs r over which a sail-cloth zd is tightened to constitute a substantially stiff wing-like sail. The ribs r and girders l give the sail the correct profile and shape. The symmetrical sa... | 02/26/1985 |
| 4478164 | Wind-propelled craft A wind-propelled craft is disclosed which comprises a hull supporting a pair of unstayed masts arranged to pivot about an axis lying in an approximately horizontal plane between a first position, in which one mast extends substantially vertically and the ... | 10/23/1984 |
| 4458859 | Combined boardsailer and hang glider A boardsailing device includes a sport converter which permits the boardsailing device to be converted into a hang glider. Essentially all of the power required for hang gliding is supplied by boardsailing, and the conversion from boardsailing to hang gli... | 07/10/1984 |
