Class 114/39.24 - With hydrofoil for providing vertical lift to hull

Subclass of Class 114 - Ships
Definition: Subject matter wherein the hull is provided with a blade
No. of patents: 37
Last issue date: 01/12/2010

Number	Title	Issue Date
7644672	Monohull sailing vessel having a lifting hydrofoil A monohull sailing vessel (102, 202, 402, and/or 502) having a lifting hydrofoil (104 and/or 204) having a stowed position and a deployed position in which the hydrofoil extends outward of a leeward side of the hull (138). The hydr...	01/12/2010
7243607	Wind driven sailing craft A wind driven sailing craft is disclosed with a hydrofoil element which provides variable lift to the stern of the craft to maintain a level trim when the craft is operated under power propulsion. The hydrofoil element includes a hydrofoil wing which rotates on a tr...	07/17/2007
7226081	Steering knuckle structure A steering knuckle structure is incorporated with an upright pipe and a shaft wherein the upright pipe is able to twist. The steering knuckle structure comprises a fastener, a sleeve and a pair of lids. A connector is provided at the bottom of the upright pipe. The ...	06/05/2007
7152868	Vehicle with variable guided pendular motion A vehicle (1) includes a chassis (2) which has a steering assembly (3) at one end and at least one wheel at the other end. The steering assembly includes a pair of steering wheels (4a, 4b) and an interconnecting steer...	12/26/2006
6932018	Manual hydrofoil and spar truss assembly for wind powered watercraft A simple, lightweight, manually-controlled device for stabilizing and increasing the performance of small, sail-assisted watercraft, containing a single moving part and comprising a curved spar or iako (1) joining a main hull and a single outrigger hull or am...	08/23/2005
6923131	Windsurfing catamaran with dynamic shock dampened rig centering keel and hull support A windsurfing catamaran with a self-stabilizing wing. The wing is moved to the correct position by counter balancing water pressure from a rotating central keel connected to a central mast. The keel rotates in the opposite direction of the wing when the wing is move...	08/02/2005
6886481	Pivotable bulb mounted foil for sailboats A pivotable deployable bulb mounted foil apparatus for a sailboat can pivot a foil mounted within a keel bulb remotely as needed to provide lateral resistance for the sailboat. The foil or foils can be rotated between a nested position for greater speed when the foi...	05/03/2005
6789489	Sailboat with gimbaled mast and keel A modified mast and keel system for a sailing vessel. The mast is gimbaled to the hull, so that it can move in a pitch roll. A downward extension of the mast pivotally connects to a winged keel. An aft strut also pivotally connects to the hull and pivotally connects...	09/14/2004
6675735	Hydrofoil sail craft A sailing craft including a single hydrofoil assembly, an aerofoil assembly, and a hull assembly with a rigid beam interconnecting the hydrofoil assembly, the aerofoil assembly, and the hull assembly. The hull is separate and displaced from the hydrofoil ...	01/13/2004
6578507	Sailing boat A sailing vessel has a hull, two outriggers, one on either side of the hull, a rudder, and rigging supporting at least one sail. Wings are secured to the outriggers and arranged to be located below the surface of the water during sailing. The leeward wing...	06/17/2003
6578506	Aft hung hydrofoil for reduction of water resistance of partially immersed sailing vessels The invention features a hydrofoil device for reducing wake formation on a partially immersed hull of a sailing or motor vessel....	06/17/2003
6024041	Hydrofoil assisted trimaran The present invention relates to a hydrofoil system of a sailing-trimaran having a central hull and two outriggers. Inclined, retractable foils are placed in a head of each outrigger, forward of the center of area of a sail and from the center of gravity ...	02/15/2000
5690042	Mooring device and securing device for watercraft and methods of making the same A mooring device adapted for removably attaching a watercraft to a dock is provided. The mooring device comprises an upright pivot shaft having a T-shaped handle on one end and a T-shaped locking bar on the other end. A biasing spring, clevis and tension ...	11/25/1997
5168824	Foil suspended watercraft A hydrofoil suspension system which maintains a watercraft in a desired attitude relative the water's surface. Pitching and rolling forces are automatically controlled while the system is resistant to destabilization by localized surface irregularities....	12/08/1992
5113775	Aero hydrofoil sail boat A high-speed, ultrastable, wind propelled watercraft employs an airfoil for propulsion and buoyant hydrofoils for support. A buoyant keel/rudder is rotatably mounted to a boom which horizontally projects from near the base of the airfoil. Both the airfoil...	05/19/1992
5063869	Wing type sailing yacht A wing type sailing yacht is constructed to incorporate the airfoil principle. Such a yacht has a boat hull, a mast, and a sail, including a bow with a bow keel and a stern with a stern keel. Each keel has a buoyancy control fin (9, 10) at its lower end. ...	11/12/1991
5054411	High performance sailing craft A pair of outrigger hulls are located on the ends of a wing, to which is movably attached a central hull which can be moved back and forth with respect to the outrigger hulls. A pivotable mast positioned on the central hull allows the central hull to be p...	10/08/1991
4970979	Sailing yacht A sailing yacht having a hull and a sectional mast holding a sail, is equipped with a canard rudder and two rolling keels. Each rolling keel has a ballast container. A three point wing system is formed by wings carried by the canard rudder and by the two ...	11/20/1990
4947775	Water air interface vehicle A water and air supported vehicle propelled by the wind. The vehicle includes a long narrow hull (30) that displaces water at low speeds and a plurality of hydrolfoils (36) distending from the hull in communication with the water resisting lateral loads a...	08/14/1990
4945845	High-speed sailing craft A craft propelled by an inclined sail. Sail lift causes hull to be raised by rotating to windward about an outrigger borne by tandem surface boards, thus decreasing resistance....	08/07/1990
4934296	Hydrofoil sailboat and method of sailing therewith A tetrahedrally shaped pivotable sailing frame of four spars and a sail with balanced hydrofoils is disclosed. A hydrofoil sailboat is created by pivotally attaching the frame to a hull along a longitudinal axis of the hull. Tacking is accomplished by rot...	06/19/1990
4829925	Multiple mode sail driven vehicle A sailboat, adaptable to use in water, on land and on ice or snow, having a longitudinal beam support extending outwardly in front of the bow and engageable with the bow of the hull structure. The hull structure also having a mounted airfoil support membe...	05/16/1989
4771716	Pleasure boat structure A boat structure including an oblong central body, two pontoons, two longitudinal lateral arms of which a first of their extremities is integral with said body by first attachment members and two second and third linking members of the two other second ex...	09/20/1988
4674427	Propulsion system for sailing crafts and ships A propulsion system for crafts and ships, notably sailing ships, includes at least one flexible or rigid sail, to which are attached one or several foils, eventually provided with small floats, whereby the foils can be eventually articulated relative to t...	06/23/1987
4635577	Hydroplaning wing sailing craft A hydroplaning wing sailing craft comprising a single buoyant hull having mounted transversely across the hull a hydroplaning wing having forward sweep and inverted gull wing shape. The wing having a positive angle of incidence providing hydroplaning lift...	01/13/1987
4617871	Steerable wind-powered vehicle The present invention concerns a steerable wind-powered vehicle, which comprises a base supported on at least two wheels, skis, skates or hydrofoils, at least one of the wheels, skis, skates or hydrofoils being arranged to be steerable, a mast carrying a ...	10/21/1986
4592298	Propulsion system for sailing crafts and ships A propulsion system for crafts and ships, notably sailing ships, includes at least one flexible or rigid sail, to which are attached one or several foils, eventually provided with small floats, whereby the foils can be eventually articulated relative to t...	06/03/1986
4582011	Hydrofoil vessel A vessel having adjustable hydrofoils. The vessel is preferably a multi-hull sailing vessel such as a catamaran or trimaran. The hydrofoils diverge upwardly and outwardly from a location below the waterline of the vessel and in the plane of the longitudin...	04/15/1986
4561371	Catamaran stabilization structure A catamaran stabilization structure for catamaran sailboats which includes a centerboard and dagger-boards. The centerboard has a double wing stabilizer with adjustable pitch. The dagger-boards protrude through each of the hulls. Each dagger-board has a s...	12/31/1985
4432298	Hydrofoil sailing craft A hydrofoil sailboat comprises forward and aft surface piercing hydrofoils and an asymmetrical wingsail. Both hydrofoils have an inverted arch configuration and have a cross-section which is approximately a circular segment. The wingsail has a reversible ...	02/21/1984
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
4228750	Hydrofoil sailboat with control tiller A hydrofoil sailboat having a sailing frame that is secured by swivel connection to a conventional hull, the frame comprising a plurality of prestressed interconnected spars, guys and a sail, a pair of buoyant hydrofoils, one at each of the leeward extrem...	10/21/1980
4193366	Sailing boat and method of operating the same A sailboat having a hull, a sail assembly and a keel. The keel is shaped as a longitudinally and horizontally extending hydrofoil which developes a vertically downward force. When the boat is traveling in a heeled position, the keel member exerts a downwa...	03/18/1980
4164909	Wind driven hydrofoil watercraft The invention concerns a water craft comprising a hull, a front hydrofoil and a rear hydrofoil depending downwardly from the hull, a hydrofoil depending outwardly from each side of the hull at an angle below the horizontal, a sail wing or the like for ena...	08/21/1979
3981258	Waterski sailboat A hydrofoil sailboat with a slender hull and a foil-shaped sail spaced laally therefrom. The hull has one flat side facing the sail and one convex side. The sail is inclined from the vertical toward the hull and is supported at its base ends by a pair of...	09/21/1976
3966143	Self-launching glider An aircraft of variable geometry and certain unique features which allow its operation along the surface of water, ice or the ground under sail power provided by tilting the wings up into a cross-wind to attain sufficient speed to be self launched into gl...	06/29/1976

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Class 114/39.24 - With hydrofoil for providing vertical lift to hull