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| Number | Title | Issue Date |
| 7318760 | Mechanism for transferring total weight of outboard engine from boat and ship A mechanism for transferring total weight of outboard engine from a boat to be loaded onto water surface comprises mainly of two parts, first part is to be fixed to the boat and second part to be fixed to an engine where the second part connected to the first part t... | 01/15/2008 |
| 7316193 | Vessel for water travel A vessel for water travel that has the stability of a heavy weighted vessel when at rest in the water and the performance of a lightweight vessel when in a planed condition. The vessel comprises at least one hull structure for partially submerged flotation in a body... | 01/08/2008 |
| 7311057 | Surface effect craft The present invention relates to a surface effect craft comprising a supporting deck structure having two pontoons mounted thereto in catamaran like fashion. A propulsion mechanism is mounted to a rear portion of the deck structure. A lift control member is disposed... | 12/25/2007 |
| 7287480 | Nautical transport vehicle having enhanced stability A nautical transport vehicle includes at least one floating member, at least one longitudinal fin pivotally mounted on the floating member, and at least one corresponding plate mounted on the floating member and parallel with the longitudinal fin. Thus, the nautical... | 10/30/2007 |
| 7275493 | Hydrofoil watercraft A watercraft capable of operating in hydrofoil mode or ground-effect mode with self-righting retractable V-shaped foil, fiberoptic control systems, and a plurality of aircraft style engines with variable pitch propellers for speed and direction control. The V-shaped... | 10/02/2007 |
| 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 |
| 7210422 | Fin stabilizer to reduce roll for boats in turns method and apparatus The invention relates to a fin stabilization system adapted to minimize roll about the longitudinal axis of the boat during sharp cornering at very high speeds. In one form, equipment such as a machine gun is mounted to the bow of the boat and targets are adapted to... | 05/01/2007 |
| 7204196 | Powered boat hull A hydrofoil craft, particularly a method of economically modifying a conventional hull with cambered foils to obtain and calculate increased lift from dense spray and to achieve enhanced craft performance is disclosed. The present invention improves speed, fuel effi... | 04/17/2007 |
| 7198000 | Shock limited hydrofoil system A hydrofoil craft includes a hull having a longitudinal axis, a pylon secured to and extending beneath the hull and a lifting foil secured to the pylon. The lifting foil has an upper surface and a lower surface. The upper surface of the lifting foil is substantially... | 04/03/2007 |
| 7174843 | Hydrofoil unit for attaching to the stern of the hull of a boat A hydrofoil unit for attaching to the stern of the hull of a boat. The unit includes a mount that mounts to the stern of the hull of the boat, a hydrofoil that is pivotally attached to the mount, a pivot assembly that pivotally attaches the hydrofoil to the mount, a... | 02/13/2007 |
| 7144285 | Hydrofoil surfing board A wave riding surfing board with a pair of transversely oriented hydrofoils, each attached to respective front and rear struts, for supporting a surfer in a prone or kneeling position. In operation, the front canard hydrofoil is arranged for piercing the surface of ... | 12/05/2006 |
| 7140318 | Method and apparatus for modifying wake An adjustable wake setting device for modifying a wake produced by a watercraft traveling through water. The system has a mounting member dimensioned and configured for attachment to the watercraft, a foil dimensioned and configured for movement between a stowed pos... | 11/28/2006 |
| 7118436 | Personal watercraft fuel tank assembly A fuel tank assembly is formed to fit within a personal watercraft hull that includes a cavity therein having curved sidewalls. A main fuel tank is formed as an elongate container that has a front section, a rear section and a central section. The central section is... | 10/10/2006 |
| 7086432 | Flex coupling for grinders and chippers A cutting machine and a method of using the cutting machine includes a cutting apparatus having a cutting device, a jackshaft sheave, an endless belt and an engine sheave. The cutting machine may have a jackshaft sheave, which is rotatably connected to the cutting i... | 08/08/2006 |
| 7063031 | Wake control device for boat A wake control device for a boat, including a mounting member pivotally securable to the boat aft for pivoting about a first axis substantially transverse to the boat aft, a rudder member secured to the mounting member for pivoting about a second axis substantially ... | 06/20/2006 |
| 7014142 | Low-drag rotor/wing flap Rotor/wing aircraft having a low-drag flap are disclosed. In one embodiment, a rotor/wing aircraft includes an elongated blade having a body portion and a flap portion. The body portion has first and second edges and includes a non-symmetric portion proximate the se... | 03/21/2006 |
| 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 |
| 6912967 | Hybrid watercraft A watercraft steered under power by water-jet propulsion utilizes a water intake ramp in its hull to create a nozzle-like effect to accelerate water loading to the jet pump through a ventral water inlet when under power. The hull has a pair of longitudinal stabilize... | 07/05/2005 |
| 6901873 | Low-drag hydrodynamic surfaces The invention relates to the use of gas cavities to reduce frictional drag on underwater surfaces such as hydrofoils, struts, fins, rudders, keels, propeller blades, ship hulls, underwater bodies, and wetted surfaces in general. Each gas-filled cavity is formed behi... | 06/07/2005 |
| 6895883 | Powered boat hull A hydrofoil craft, particularly a method of economically modifying a conventional hull with cambered foils to obtain and calculate increased lift from dense spray and to achieve enhanced craft performance is disclosed. The present invention improves speed, fuel effi... | 05/24/2005 |
| 6805068 | Hydrofoil system for lifting a boat partially out of water an amount sufficient to reduce drag A hydrofoil system for lifting a boat out of water an amount sufficient to reduce drag while still allowing the boat to be powered by a conventional inboard-outboard drive. The hydrofoil system includes a front hydrofoil unit, a center hydrofoil unit, and a pair of ... | 10/19/2004 |
| 6789490 | Ship constructions for achieving stability at high speed through the use of multiple, low wave-making resistance, submerged hullform pods and control fins A ship designed to achieve high speed through the use of multiple, low wave-making resistance, submerged hullform pods is constructed for stable operation during maneuvers with and without a payload. Movable fins on the submerged hullform pods are constructed and ar... | 09/14/2004 |
| 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 |
| 6782839 | Hydrofoil boat A hydrofoil (1) comprises a bottom (23) formed with two front and rear steps (3 and 4), and a strut (31) supporting a submerged hydrofoil (21) arranged between the two steps (3 and 4). The strut (31) can... | 08/31/2004 |
| 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 |
| 6634310 | High efficiency high speed ship Presented is a high efficiency high-speed boat or ship that has multiple hulls. These multiple hulls can include recesses in their undersides that are supplied with pressurized air to form supporting air cushions. There is a support and stability adding h... | 10/21/2003 |
| 6620003 | Boat having a combination of jets and outboard motors and/or extendable hydroplanes A boat has one or more jet pumps with appropriate water intakes and jet nozzles to drive the boat and one or more outboard motors to drive the boat. The boat may also have one or more hydroplane fins allowing the hull of the boat to be lifted out of the w... | 09/16/2003 |
| 6609472 | Stable efficient air lubricated ship Presented is an air lubricated ship that offers improved efficiency and stability over the prior art. Features of the preferred embodiment of the invention include: 1) a submerged bow that is generally proximal in depth to the stem, 2) a hydrofoil at the ... | 08/26/2003 |
| 6604484 | Ship supported by submerged structure A high efficiency extremely stable marine vehicle that is connected to and supported by submerged supporting structure(s) is presented. The submerged structure(s) are normally airfoil shaped to insure maximum efficiency and are, in the preferred embodimen... | 08/12/2003 |
| 6551158 | Adjustable angled rear wing A water sport device for supporting a seated human rider while the rider and the device are towed behind a powered water craft, including an elongate board to which a seat and foot holder are secured, an elongate hydrofoil extending downward from the boar... | 04/22/2003 |
| 6499419 | Hydrofoil wing system for monohull keel boat A monohull keel sail boat is provided with a bow foil structure, a keel foil structure and a stern foil structure. The bow, keel and stern foil structures have foils with may be moved to provide a variable angle of attack and thus variable lifting forces.... | 12/31/2002 |
| 6470817 | Small waterplane area multihull (SWAMH) vessel A Small Waterplane Area MultiHull vessel having an upper hull platform located above the design water line of the vessel which is maintained above the surface of a body of water by at least two cylindrical submerged hulls joined thereto by supporting stru... | 10/29/2002 |
| 6443786 | Flying ski The improved flying ski is designed to be towed behind a conventional powered watercraft utilizing a standard ski tow rope or similar device having a handle that can be held by a human rider. In use, the rider is seated on the seat of the flying ski and t... | 09/03/2002 |
| 6234856 | Flying ski The improved flying ski is designed to be towed behind a conventional powered watercraft utilizing a standard ski tow rope or similar device having a handle that can be held by a human rider. In use, the rider is seated on the seat of the flying ski and t... | 05/22/2001 |
| 6227139 | Control tab assisted lift reducing system for underwater hydrofoil surface A hydrofoil stabilizer fixed to an underwater hull and provided with a pair of pivotally deflectable control flaps through which surface lift on the stabilizer is controlled, is provided with trailing edge tabs on both of the flaps that are pivotally defl... | 05/08/2001 |
| 6164235 | Hydrofoil supported water craft The invention provides a hydrofoil equipment water craft comprising at least one hull member, terminating at a bow and a stern, a front hydrofoil member arranged in the zone of the bow of the hull, at least partially below the hull; and a rear hydrofoil m... | 12/26/2000 |
| 6148756 | Method and mechanism for dynamic trim of a fast moving, planning or semi-planning ship hull A mechanism and method for dynamic trim of the floating position of a fast moving, planing or semi-planing ship hull is suggested, wherein a fully submerged hydro foil (1) is pivotally arranged in a stem portion of the ship and continuously adjustable rel... | 11/21/2000 |
| 6070543 | Watercraft An aircraft-like body is provided with a keel that extends below and to the rear of the main body. The keel is provided with a large horizontally extending hydrofoil which produces a positive lift. The keel is further provided with a smaller hydrofoil whi... | 06/06/2000 |
| 6019059 | Overlap lifting fin A sloped hydrofoil (22) is mounted to the bottom of a sailboard or surfboard vertical strut (26) using a hinge joint (24). Hinge joint (24) allows reversal of the slope of sloped hydrofoil (22) in response to a hull (30) side slip. Efficient sloped hydrof... | 02/01/2000 |
| 6012408 | Wake control apparatus A wake control apparatus for adjusting the trim of a watercraft to selectively raise and lower the level of the wake produced by the watercraft. The apparatus comprises a pair of hydrofoils which are pivotally connectable to the watercraft in spaced relat... | 01/11/2000 |
