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6851378 |
Articulated multi-hull water craft
A multi-hull vessel capable of planing. The vessel has a rigid superstructure that is rotatably linked to flat-bottomed hulls. As the vessel heels, the pivotable connection between the...
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6386130 |
Control systems for sailing vessels
An improved control system for a sailing vessel for controlling the position of the sail and the rudder, and affixed to a slidable seat apparatus. A movement of the seat apparatus does not alter...
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6240865 |
Multi-purpose sailing kit assembly
A multi-purpose sailing kit assembly including at least one, and preferably two separate hulls. Each of the hulls further includes first and second elongated, buoyant and self-contained halves...
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6089173 |
Multi-hull watercraft with self-righting capabilities
A multi-hull watercraft, such as a catamaran or trimaran is constructed to facilitate the righting thereof following a capsize. By providing a pivot connection between the hulls and the...
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5947045 |
Balancing system for sailing boats
This invention refers to single hull/multi-hull sailing boats. Two suitably shaped floats are laterally applied to the hull of single hull boats; they slide from top to bottom along suitable...
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5904111 |
Trimarans with removable beams configurations and steering wheel assemblies
An improved trimaran is provided. The trimaran includes a main section, multiple floats, a sail assembly and a set of beams that are used to removably position the floats a certain distance from...
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5901659 |
Pivotally movable hiking bench
A device designed to enable a sailor to move easily fore and aft and side-to-side about a watercraft. The device includes separate port and starboard bench units that are pivotally coupled to the...
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5896825 |
Dual hull watercraft
In a dual-hull watercraft, a separate keel hull and sail hull are connected by a tie line. The sail hull comprises a sail and hull without a keel. The keel hull comprises a keel and hull or a...
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5517940 |
Variable width multi-hulled boat with telescoping mast
A variable width boat includes a plurality of hulls and a width varying arrangement connected to and between the hulls for selectively moving the hulls between a closed, folded position and an...
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5373799 |
Collapsible sailing rescue watercraft
In a preferred embodiment, a watercraft which is carried by a main watercraft, including: a longitudinally extending horizontal central hull portion; port and starboard longitudinally extending...
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5355817 |
Sail boat
A wind-powered boat has a pair of spaced apart, fixed hull sections and a castering front hull between the side hull sections. A turret section is supported for rotation on the boat and has a...
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5301623 |
Multi hull vessel with bendable hulls
A catamaran sailing vessel has both of its hulls articulated to provide substantially equal length forward and aft hull sections that are pivotally connected to one another about axes parallel to...
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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...
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4890570 |
Wind propelled sailing craft
A wind propelled sailing craft. The craft includes a frame with fore-and-aft beams interconnected by transverse beams. A deck is attached to the frame where the operator will sit on a trampoline. A...
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4878447 |
Multihull vessels
A multi-hull vessel has a center section and a plurality of float arm assemblies disposed on opposite sides of the center section. The float arm assemblies are pivoted so as to be movable upwardly...
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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...
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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...
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4738212 |
Body sailer
A body sailer allows an operator to sail in a partially submerged position. The body sailer includes first and second buoyancy pontoon devices held in a spaced apart relationship by a frame. The...
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4584957 |
Multi-hull sailing vessel with variable lift
A double-ended two hull sailing vessel has a main hull and an auxiliary hull, where the distance between the auxiliary hull and the main hull can be varied for controlling heel. The mast is...
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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...
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4465008 |
Sailcraft
Improved sailcraft have a plurality of rectangular sails of approximately equal size, each carried on a separate mast that is enveloped by the sail luff. A full-length batten is fitted to the leech...
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4401047 |
Wind-propelled craft
A wind-propelled craft having at least two elongated, low-profiled, flat-bottomed floats. The floats are parallelly and distally connected by a framework adapted to support the wind propulsion...
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4392444 |
High stability trimaran
A trimaran which includes a main hull, starboard hull, and port hull, has positive stability for up to about 130° inclination of the main hull. The starboard and port hulls are pivotally mounted...
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4287845 |
Sailboat having multiple hulls
A sailing craft is provided which has the ability to limit heeling under various headings, and which includes a deck assembly mounted for lateral movement between two outrigger type hulls. The deck...
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4286534 |
Trimaran sailboat
A trimaran sailboat is provided which has the ability to limit heeling under various headings, and which includes a central hull, and a boom assembly mounted laterally across the central hull and...
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4286533 |
Catamaran sailboat
A catamaran sailboat is provided which has the ability to limit heeling from the wind forces, to thereby maximize the effective sail area and speed. The catamaran includes a deck assembly which may...
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4223621 |
Multihull sailing vessel having means for righting capsized vessels incorporated therein
A multihull sailing vessel comprising a plurality of floats having ganged pivotal positioning means incorporated within transverse interconnecting members so that the floats may be rotated around...
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4192247 |
Sailing vessel
A triple-hulled sailing vessel has a mast on its center hull. The lower end of the mast is pivotally connected to the center hull and a rigid transverse brace is connected to the central hull so...
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4108100 |
Rigging base for plural-hull sailing craft and methods for sail control
An elongated spar is attached longitudinally to cross-members interconnecting the hulls of plural-hull sailing craft, which spar projects forward to provide points of attachment for the forestays...
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4044702 |
High efficiency aerodynamic sail system for boats, and method for sailing
A high efficiency aerodynamic sail system for boats comprises a triangular fabric sail pivotally suspended at its head from the apex of a tripod mast structure such that air impinging upon the luff...
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3996874 |
Surface craft
A trimaran has its floats displaceable from normal extended positions to retracted positions close to the central hull and is arranged to have improved stability at large angles of heel with the...
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3937166 |
Float connection assemblies for multi-hulled boats
A multi-hulled boat includes a main float and a retractable float normally arranged, when in their operative positions, in spaced apart side-by-side relationship. A float connection assembly is...
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3933110 |
Plural-hull sailing craft and methods for sailing craft
A plural-hull craft incorporates separate hulls pivotally attached at the extremities of an interconnecting structure, which hulls may be rotated either separately or in unison to longitudinally...
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3870004 |
SAILING VESSEL
A sailing vessel having no centerboard, no rudder and no fixed mast. The vessel has a loosely stepped mast or kingpost, an outwardly extending arm, and a stabilizer hull pivoted to the outer end of...
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3839979 |
COLLAPSIBLE MULTICARRIER WIND PROPELLED VEHICLE
A collapsible multicarrier wind propelled vehicle includes a pair of spaced carriers connected by centrally hinged struts. A center control spar is connected to the struts at the hinged midpoint...
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3807333 |
SAILBOAT
Sailboat comprises propulsion unit which carries all the requisites for propulsion of the sailboat by wind force, and a carrying unit for the carrying of goods and passengers. The units are...
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3788256 |
WATERCRAFT WITH ROTATABLE FLOATING PONTOONS
A watercraft is provided with a frame symmetrical about a longitudinal axis and having at least two pairs of freely rotatable floating pontoons. The pontoons have a generally circular disk-like...
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3742886 |
CATAMARAN
A pontoon water craft, the pontoons of which are connected together by a parallelogram linkage. The sailor of the craft stands upon the parallelogram linkage carrying a hand sail, and steers the...
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3696772 |
BOAT STABILIZER-SAILING RIG
Boat stabilizer-sailing rig wherein the mast is free to move arcuately transverse the boat in fixed relationship with associated outrigger stabilizers as the attitude of the stabilizers changes...
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3593684 |
COLLAPSIBLE CATAMARAN
A collapsible assembly is disclosed which can be made into or converted into a catamaran, a swamp boat, a sail car, an iceboat, a ski vehicle, a snowmobile, a snow blower (vehicle), etc.
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3336890 |
Keel structure
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3316873 |
Multihull vessels
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3112725 |
Sailboat
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