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| Number | Title | Issue Date |
| 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 |
| 6863008 | Flexible wing-sail and wind-propelled vehicle including same A flexible wing-sail for wind-propelled vehicles includes a mast to be rotatably mounted in a vertical position on the vehicle, a plurality of flexible sail panels carried by the mast, and a spreader assembly secured to battens in the sail panels for securing them t... | 03/08/2005 |
| 4924794 | Sail In its preferred form the present invention comprises an aerofoil sail having tensioned battens and an internal web structure to maintain an aerodynamically efficient shape.... | 05/15/1990 |
| 4766831 | Rigging for a wind propelled craft The invention is a rigging (9) for a wind propelled craft (8). The rigging (9) comprises a flexible sail (10) of two substantially identical flexible sail portions (80, 82) each having a leach (18) and a luff (20). Elongated battens (92) are in contact wi... | 08/30/1988 |
| 4757779 | Aerodynamic device with reversible flexible and lowerable concavity for the propulsion by the force of the wind Device for producing the concavity of a thick profiled sail and making it reversible and remotely controllable to pass through all aerodynamic profiles comprising a rotatable mast (1), at least six assemblies sliding on the mast, each comprising a leading... | 07/19/1988 |
| 4703707 | Sails and sailing vessels A sail assembly comprising a mast, spaced apart lateral upper and a lower elongated members fixed to the mast, a track joining first ends of the upper and lower members, two panels of sail material one to each side of the mast connected to the track by ru... | 11/03/1987 |
| 4624203 | Batten structure for a wing sail The invention provides a batten structure which can be placed inside a double sided sail to provide a so-called "wing" sail having an airfoil section which can be close to an ideal airfoil on either tack. The structure includes a central beam which engage... | 11/25/1986 |
| 4562784 | Sailing craft A sailing craft having hydrodynamically shaped catamaran hulls and tapered configuration rudder assemblies attached to each hull. Low draft keels are attached to the fore one-half bottom portions of the hull and a pitch-sensitive variable camber mast and ... | 01/07/1986 |
| 4463699 | Sailing craft A sailing craft having hydrodynamically shaped catamaran hulls and tapered configuration rudder assemblies attached to each hull. Low draft keels are attached to the fore one-half bottom portions of the hull and a pitch-sensitive variable camber mast and ... | 08/07/1984 |
| 4386574 | Sail assembly of variable profile, reversible and collapsible A sail assembly of variable profile, reversible and collapsible, comprising a mast on which are mounted ribs set apart one from the other, each one being constituted of two flexible laths joined together by hinge members, the ribs being covered with a sup... | 06/07/1983 |
| 4064821 | Variable camber wing sail The present invention pertains to an apparatus to improve the efficiency and performance of an aerodynamic lift structure for use on sailing devices. A two-sided, spaced apart sail structure is provided with resiliently deformable struts for each side, at... | 12/27/1977 |
