Matches 1 - 16 out of 16


Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
3332384 Sailboat  

Matches 1 - 16 out of 16