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| Number | Title | Issue Date |
| 4294184 | Multi-hull steering system A multi-hull craft steering system having a plurality of hulls made from flexible envelopes inflated to maintain buoyancy. One of the hulls is located between the remaining hulls and is pivotally mounted for controlling the angular variation in azimuth. T... | 10/13/1981 |
| 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 assembly may be moved toward the windward side of the cra... | 09/08/1981 |
| 4287624 | Auxiliary flotation gear for fishing boats This invention primarily resides in two float wings of substantially triangular contoured construction conforming to the hull of the boat securely affixed to the exterior stern of a fishing boat above the water line. Float wings may be constructed of expa... | 09/08/1981 |
| 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 having an outrigger hull at each end thereof. The boom asse... | 09/01/1981 |
| 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 be selectively moved laterally between the hulls by the c... | 09/01/1981 |
| 4276846 | Recovery apparatus An apparatus for use in recovering an article at least partially submerged in water comprises at least two floatable members each having an arm mounted thereon and whose buoyancy can be varied, each arm carrying a recovery member having gripping or scoopi... | 07/07/1981 |
| 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 that it pivots as the mast pivots; the outer ends of the bra... | 03/11/1980 |
| 4191124 | Dockship A dockship with a large hold arranged for the transport of heavy cargo loads, and provided with hatch covers which have buoyancy and which are adapted to be swung alongside the sides of the ship particularly when loading and unloading heavy cargo loads, t... | 03/04/1980 |
| 4172426 | Folding outrigger releasable brace for trimaran Outriggers of a trimaran mounted on hinged arms for swinging from a sailing position to an alongside position are braced in sailing position in each case by a tension cable having its ends fixed with respect to the outrigger at the connection with the arm... | 10/30/1979 |
| 4163620 | Method and apparatus for increasing the vertical load bearing capacity of ice In order to increase the vertical load bearing capacity of an ice field such as may be found in the Arctic, whereby buildings, drilling rigs, or the like may be supported, an inflatable hull is positioned beneath the ice, initially in deflated form. Infla... | 08/07/1979 |
| 4159006 | Multihull vessels A multihull vessel has a center section; a pair of floats displaceable from normal positions laterally extended on either side of the center section upwardly to positions above the center section and inwardly toward the center axis of the vessel as well a... | 06/26/1979 |
| 4095549 | High performance water vehicle A high performance marine vehicle capable of attaining record-breaking velocities is disclosed herein having an elongated hull supporting aft mounted and outwardly extending wing members from which side ski-floats downwardly depend. A frontal ski-float is... | 06/20/1978 |
| 4060865 | Boat construction incorporating flotation means A small boat or the like comprising a flotation chamber defined at its gunwale by a first member, preferably integral with the sides of the hull extending upwardly and defining an upper end portion which may include a reverted first member lip, a second m... | 12/06/1977 |
| 4061099 | Outrigger sailboat An outrigger sailboat having a drive outrigger hull is disclosed herein. A pair of movable keels is rotatably connected to a bottom portion of the drive outrigger hull. The movable keels are adapted to rotate in opposite directions. A pair of masts is mou... | 12/06/1977 |
| 4060864 | Boat construction incorporating flotation means A small boat or the like comprising a flotation chamber defined at its gunwale by a first member, preferably integral with the sides of the hull extending upwardly and defining a first lip at its terminal end portion, a second member or cover secured at i... | 12/06/1977 |
| 4054100 | Sport sailboat A wind-propelled sailboat having a main hull and an outboard pontoon, a mast mounted upon the hull and a triangularly-shaped sail removably connected and secured at its peak to the top of the mast, the sail being controlled for propulsion of the boat by m... | 10/18/1977 |
| 4021873 | Circular watercraft A circular watercraft has a buoyant, generally toroidal hull supporting a rigid deck with an outer periphery in substantial conformance with the perimeter of the hull. The deck has an opening located above the central opening of the hull to permit placeme... | 05/10/1977 |
| 3985090 | Sport boat A wind-propelled sailboat having a main hull and an outboard pontoon or outrigger, a mast mounted upon the main hull and a sail removably connected to the top of the mast, the sail being controlled for propulsion of the boat by a manually manipulated leve... | 10/12/1976 |
| 3981259 | Catamaran with extensible hulls A boat of the catamaran type having the usual superstructure mounted on a frame mechanism to which a pair of spaced parallel hulls are pivotably mounted. The frame mechanism includes an actuatable extension apparatus which simultaneously pivots the hulls ... | 09/21/1976 |
| 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 |
| 3978807 | Offshore station and method of maintaining the same An offshore station moored at sea is comprised of a plurality of floats which support a platform that is adapted to accommodate personnel, facilities, and equipment. The platform-supporting floats have normally submerged portions which require periodic ma... | 09/07/1976 |
| 3978805 | Stabilized floating platforms The subject invention is directed to a floating platform for supporting nuclear reactors and the like at selected offshore sites. The platform is provided with a stabilizer mechanism which significantly reduces the effects of wave action upon the platform... | 09/07/1976 |
| 3974535 | Boat hull with spherical dome A boat comprising a hull the general shape of which is a spherical dome which in the fore part of the boat extends to above the water-line at maximum load while at the sides the part of the hull above the water-line departs from a spherical shape and prog... | 08/17/1976 |
| 3961590 | Catamaran watercraft A catamaran watercraft having a pair of parallel pontoons which pivot along their respective longitudinal axes. The pontoons are each preferably triangular in cross section, having a planar bottom surface and a linear top surface forming the longitudinal ... | 06/08/1976 |
| 3960102 | Trimarans A trimaran has a central hull, a pair of floats and outriggers for supporting the floats on each side of the central hull, and inboard supports from which the floats can be suspended in an inboard position. The outriggers are pivotally mounted, about subs... | 06/01/1976 |
| 3957010 | Stabilization system for water vehicles, platforms, and structures in wind-maintained seas A device for stabilizing a floating platform or the like from the roll or heave motions, imparted by wind-maintained waves and regular swells. The platform is supported on a plurality of buoyant pontoons horizontally spaced a variable distance apart in th... | 05/18/1976 |
| 3954077 | Trimarans An arrangement for preventing the capsizing of trimaranes, and to facilitate their righting, comprising a main hull, two stabilizing hulls pivotally connected to the main hull by a pair of arms and further including a pair of extensible elastic members to... | 05/04/1976 |
| 3952680 | Roll stabilizer for vessels at rest A stabilizer for reducing the amount of roll motion induced by ocean swells in a vessel drifting or at anchor. A stabilizer arm is pivotally mounted about a horizontal axis on the deck of the vessel and supports a stabilizer disc at its outer end. The dis... | 04/27/1976 |
| 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 provided, including a pivot structure interconnecting the mai... | 02/10/1976 |
