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| Number | Title | Issue Date |
| 7971545 | Watercraft having a kite-like element The invention relates to a water craft comprising a kite element, which is connected to the water craft by a traction cable. The water craft is characterized in that the kite element is equipped with adjusting devices and an energy generation unit, which delivers en... | 07/05/2011 |
| 7197996 | Seat board for board kiting The present invention discloses a seat board for board kiting that is made of a substantially high durability of material, having a seating recess thereon, thereby permitting a rider to enjoy the board kiting in a convenient way. The seat board for board kiting that... | 04/03/2007 |
| 6776115 | Shaft mounted personal wind power device A personal wind power device is disclosed that includes at least one sail frame assembly firmly, yet removably, coupled to a shaft. The sail frame assembly includes a base that is coupled to the shaft and that has first and second boom arms pivotally attached to it.... | 08/17/2004 |
| 6443082 | Halyard device for sailing boats The invention relates to an arrangement for the detachable locking of a line (2) which is led out through an opening in, for example, a mast (55) on a sailing boat (6) in question and for enabling the line (2) to be led further to an existing winch on boa... | 09/03/2002 |
| 6085679 | Sail boat jibe control system A sail boat boom control system provides braking forces for restraining movement of the boom during down wind sailing or sailing with a quartering breeze. The system comprises a boom restrainer loop attached to the boom and resiliently tensioned, pivotall... | 07/11/2000 |
| 5918561 | Lift creating sail and sail system An improved lift creating sail and sail system where a substantially rectangular mainsail made up of a plurality of panels forms an aerodynamically efficient airfoil that is supported at approximately its center on a pivot so that it has three degrees of ... | 07/06/1999 |
| 5894807 | Sailboat A sailboat comprising at least one hull that is connected to a deck that has a line formed in a closed loop connected thereto. A sail, defined as a jib, being attached at its lower corners to the line so that moving the line moves the sail therewith, pres... | 04/20/1999 |
| 5619946 | Sail furling device with bearings to permit simultaneous cable and extrusion rotation A maritime sail furling mechanism furls a sail around a rotating luff extrusion from an open to a furled position in a natural fashion while functioning under load. A novel bearing assembly, including upper and lower bearing portions, accommodates static ... | 04/15/1997 |
| 5390617 | Boom brake A boom brake for controlling the swinging motion of the boom of a sailboat includes a housing attached to the boom having two plates between which three bearing surfaces are mounted to engage a line attached to the sides of the sailboat in a serpentine pa... | 02/21/1995 |
| 5088431 | Sailing vessels Proa sailing vessel including a pair of spaced hulls comprising a windward and a leeward hull, a crossbeam assembly interconnecting the hulls and a fixed mast assembly with its lower end supported on the crossbeam intermediate the hulls and being inclined... | 02/18/1992 |
| 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 |
| 4843987 | Heel counteracting airfoil A wing type airfoil is used to propel a vessel. The airfoil comprises a mast, a counterbalancing airfoil and a driving airfoil. The mast is elongate and has upper and lower portions, the lower portion is adapted to be connected to the vessel and extends u... | 07/04/1989 |
| 4831950 | Wind propelled apparatus A sail propelled vehicle for land or sea in which a triangular yoke is pivotally attached at two of the corners thereof on two pontoons, skis, or skateboards at the forward ends thereof. The mast for carrying the sail is mounted vertically on the yoke at ... | 05/23/1989 |
| 4817549 | Combined whisker pole and boat hook A sailboat having a foresail is disclosed including a combination whisker pole and boat hook where the whisker pole portion includes a cleat for securing an idle foresail sheet to retain the pole in contact with the foresail clew releasably.... | 04/04/1989 |
| 4809629 | Sail rig for a wind propelled vehicle A sail rig for a wind propelled vehicle that has a deck surface includes a support on the vehicle providing a pivot axis generally normal to the deck surface, a boom that has a proximal end pivoted on the support for 360 degree rotation about the pivot ax... | 03/07/1989 |
| 4437426 | Wing type air foil assembly The present invention relates to a wing type air foil assembly that is adapted to be utilized by boats or vessels, or even vehicles, that is designed to function in the same general manner as a wind sail for providing driving thrust to the vessel or vehic... | 03/20/1984 |
| 4385579 | Sailing craft A sailing craft of the type which includes a floating hull, a mast secured to the hull, a sail mounted on the mast and rudder means, wherein the mast is pivotally mounted with an articulation near but spaced from the base thereof with respect to a substan... | 05/31/1983 |
| 4367688 | Sailboat rig Sailboat having twin booms, doubled sail and rotatable mast permits conventional sailing with both booms and sail sections on same tack or with booms spread, wing and wing, to run before the wind or on a reach. Sail may be reefed or furled by rotating the... | 01/11/1983 |
| 4178867 | Rescue signal device A rescue signal device of this invention can be used on a life boat and on other objects for rescue, here more concerned about the use on a life boat. The device consists of a signal balloon which can float in the air high above the boat or object when th... | 12/18/1979 |
| 4077345 | Sailboat construction A sailboat which includes a hull and a sail assembly with the sail assembly being rotatable with respect to the hull. The rotational axis of the sail passes through the center of the sail so that equal wind force is applied across the sail with respect to... | 03/07/1978 |
