Matches 1 - 45 out of 45


Match Document Document Title
US20130213292 Multi-modal Watercraft  
A multi-modal watercraft including a hull including a missing portion. A floor completes at least part of the missing portion of the hull and forms the floor of a hold. The floor can be raised and...
US20150128841 HYDROFOIL BOAT STABILIZER  
A hydrofoil having an integrated yoke-bridge to preclude expansion of the channel defined by the yoke when the hydrofoil is secured to the cavitation plate. The single piece hydrofoil is secured...
US20140096710 WATERCRAFT HULL WITH IMPROVED LIFT, PLANING SPEED RANGE, AND NEAR MAXIMUM EFFICIENCY  
A hull for a planing type watercraft has a front lift surface, a high lift surface, and a back planing surface. The high lift surface is adjacent a rockered keel area and between the front lift...
US20090314195 Boat Stabilizer, Boat Motor and Related Method  
A boat stabilizer that is attachable to the anti-cavitation plate or other structure of the lower drive unit of a boat motor without permanently modifying the structure of the anti-cavitation...
US20130081565 TRIMARAN HAVING A PIVOTABLE OUTRIGGER  
To a watercraft which includes a main hull and at least one outrigger which is fastened in a height-adjustable manner to the main hull.
US20130239861 TURBINE-INTEGRATED HYDROFOIL  
A turbine integrated within a hydrofoil extracts energy from a free-flowing motive fluid. In the preferred embodiment, the turbine is of the crossflow variety with runner blades coaxial to the...
US20110247541 HYDROFOIL-ASSISTED MULTI-HULLED WATERCRAFT  
A catamaran (10) has two spaced demihulls (12) which are connected by an upper superstructure above the waterline. The catamaran (10) includes a main hydrofoil (26) extending between the demihulls...
US20130298813 SAILBOARD WITH SLOTTED WINGLETS  
A sailboard hull has at least one pair of winglets or foils beneath the top of the board. Each winglet or foil has above it a slot and allows dynamic lift from both the top and bottom surface of...
US20110168076 WATER WINGS DEVICE FOR A WATERCRAFT  
The present invention is a water wings device used in combination with a watercraft that includes a plurality of water wings attached to the sides of the watercraft with attachment arms and...
US20140182507 Sidewall planing boat  
A sidewall planing boat includes: a body; sub-bodies; and a power device; wherein the two sub-bodies are mounted on a front portion of the body and are symmetrically provided at two sides of the...
US20150144049 Buoyant, Variably Buoyant and Non-Buoyant Foil Structures for Marine Vessels and Watercraft  
A watercraft including a side-hull extending downwardly from each side of a hull of the watercraft. A foil extends downwardly and inwardly from each side-hull.
US20110162572 for a Marine Vessel  
A hull (1) for a marine vessel (10) comprising an elongate body (2) that tapers outwardly from a foremost location, the bow (3), and tapers inwardly toward the aft (4) such that the aft (4) of the...
US20120132124 SPAR Based Maritime Access Vehicle  
The invention relates to a spar based vessel for accessing offshore installations and vessels, including wind farm turbines, in which the centre of gravity of the vessel is positioned below the...
US20090084301 Device for reducing the drive power requirement of a ship  
A device for reducing the drive power requirement of a ship and even for not very quick ships of all types, in particular for slow, wide ships, such as tankers, bulkers and tugboats, and for...
US20150140878 WATERCRAFT  
A watercraft, including; a mid section (2) and two side sections (3,4), whereby the mid section (2) has a seat (5) for a passenger and whereby the watercraft (1) has a steering mechanism. The...
US20100037810 Multi Hull Water Craft  
The present invention relates to a water craft (10) having two spaced hulls (18, 20) and a tunnel (22) defined therebetween. The water craft (10) is provided with a hydrofoil section (38)...
US20120192781 Watercraft device  
A watercraft device according to the invention includes a central body and two lateral hulls, each having a shape optimized to reduce resistance to the advance motion and connected to the central...
US20050279268 Steerable hydrofoil  
The present invention provides a steerable hydrofoil. The apparatus includes at least one steerable hydrofoil panel, at least one body part coupled to the at least one steerable hydrofoil panel to...
US20080289562 HYDROFOIL BLADE GUARD  
A foil guard for sporting devices having hydrofoils covers the exposed edges of the foils and thereby prevents damage to persons or property from accidental contact with the foils. The guard may...
US20070125288 Self propelled hydrofoil device with leverage-based control of drive foil  
A self-propelled hydrofoil device having front and rear foils, a support structure and a steering mechanism. The hydrofoil device is preferably configured such that a user can change the angle of...
US20080066669 Thrust Fin for Ships  
Disclosed herein is a thrust fin (20) for ships which recovers lost energy caused by rotational flow generated behind a propeller (30), and converts it into thrust. The thrust fin (20) of the...
US20100089303 Open sea hydrofoil craft  
An open sea hydrofoil craft comprising a hull (A) with lateral vertically oriented blades (B1,B2) extending longitudinally along the two sides thereof, the interior surfaces of blades (B1,B2)...
US20080250999 High-Speed Multihull Boat  
A high-speed, multi-hull boat that includes at least three hulls (3, 4), and in which, with the boat being considered to be floating and stationary on a stretch of calm water (1), the cross...
US20100000461 Foil shapes for use in barge skegs and marine propeller shrouds  
An airfoil shape exhibiting low drag and a high lift/drag ratio has a low thickness/chord ratio and a low camber/chord ratio. The airfoil shape provides desirable results when used in barge skeg...
US20080105187 Waterborne Vessel With Loop Keel  
A vessel (10) for travelling on water comprises a hull means (20) and a keel (30) comprising a member (34) depending from the hull means, the member (34) comprising two limbs (44) each depending...
US20080210149 Ship Hull Comprising at Least One Float  
A ship hull includes at least one float (10) and a centre of buoyancy (CB) situated behind the centre of flotation (CF), the distance between the centre of buoyancy and centre of flotation is...
US20120186507 TOWABLE BUOY  
A towable buoy having a tow point for connection to a tow cable of a vessel, wherein the position of the tow point is translationally moveable with respect to the remainder of the buoy. Also, a...
US20050005835 Passenger watercraft using three methods of lift; displacement, hydrofoil, and ground-effect (wing-in-ground) operating over water  
This design is for a passenger watercraft that can operate in three modes, displacement, hydrofoil, and ground-effect (wing-in-ground, WIG), over a wide range of speeds up to 150 MPH. It also has...
US20150013586 HIGH SPEED SURFACE CRAFT AND SUBMERSIBLE CRAFT  
A marine vessel comprising: at least one buoyant tubular foil;at least one venturi injection ring positioned adjacent to the perimeter of the at least one buoyant tubular foil so as to create a...
US20140366794 Modular Underwater Foil for a Marine Vessel  
The present invention relates to an underwater foil (1) for a marine vessel of the type floating on water disposed completely below the waterline and extending in the port-starboard direction. The...
US20090120346 Self-propelled hydrofoil device with flexible steering assembly  
A self-propelled hydrofoil device that includes a front foil, a rear foil, a user platform, a steering shaft and a frame that couples these components. The steering shaft preferably has a top...
US20130255559 FOIL STRUCTURE FOR PROVIDING BUOYANCY AND LIFT  
A foil structure for providing buoyancy and lift to a floating device is provided. The foil structure comprises an elongated left hand side floating device section and an elongated right hand side...
US20080141921 Reciprocating devices  
The disclosure relates to fluid working devices including reciprocating internal combustion engines, compressors and pumps. A number of arrangements for pistons and cylinders of unconventional...
US20140150704 HYDRODYNAMIC DUCT OF FLOW MANAGEMENT AT THE BOW OF A VESSEL  
Hydrodynamic duct mounted at the bow of a vessel, comprising a horizontal wall portion (1) and two lateral wall portions (2,3), whereby the flow through the duct acquires substantially different...
US20060150885 Lifting device for fully planing or semi-planing watercrafts  
A lifting device (10) for watercrafts of the fully planing or semiplaning type provides at least a transversal element (15) constrained to the bottom (25) by means of supports orthogonal to the...
US20090223431 BOW LIFTING BODY WITH DEADRISE  
A watercraft has a lifting body secured to its bow below the waterline; the lifting body has deadrise on either side of the bow.
US20150225040 HYDROFOIL  
A hydrofoil, suitable for kite surfing and jet skiing, comprises a keel fin having a first end portion for fastening to a board; and a front wing and a rear wing which are arranged one behind the...
US20100258046 Method and apparatus for suppressing cavitation on the surface of a streamlined body  
A method and a device for suppression of cavitation and thus for reducing resistance to movement of a streamlined body in a flow of liquid based on the principle that development of cavitation...
US20170166283 SECTION PROFILES FOR PLANING HYDROFOILS AND HYDROFOILS OPERATING CLOSE TO A FREE WATER SURFACE  
A hydrofoil section (401) comprising upper (4014) and lower (4015, 4018, 4017) cambered profiles and a reference line in which: the reference line is drawn between the trailing edge (307) of the...
US20160332699 TUBULAR ELEMENT COMBINED WITH HYDROFOIL OR RUDDER FOR A WATER VESSEL  
The invention is directed to a lifting device for a water vessel, the lifting device having a foil or non-foil shaped left support leg having an upper section and a lower section and a foil or...
US20160280332 Three Stage Watercraft  
A three stage watercraft for operation in the water as a traditional boat at low speeds in stage one, for operation on the water's surface at mid-range speeds at stage two, and for traveling in...
US20160176483 WATER CRAFT ABLE TO OFFER FAST RESCUE  
A water craft able to offer fast rescue includes a water craft provided with a pressurization pump and a high pressure air reservoir to have air pressurized and poured into the high pressure air...
US20150336633 HYBRID VEE-HULL WITH SPONSONS  
There is provided a hybrid boat hull having a forward center vee-section extending from the bow and becoming shallower as the vee-shaped bow transitions aft to ensure the boat will not slam or...
US20150291257 PLANING HYDROFOILS FOR MARINE CRAFT  
A hydrofoil (20) for mounting to a high speed surface vessel arranged for planning operation at least at higher craft speeds and in which the trailing edge (202) remain substantially fully wetted...
US20150284051 SECTION PROFILES FOR PLANING HYDROFOILS AND HYDROFOILS OPERATING CLOSE TO A FREE WATER SURFACE  
A hydrofoil section comprising upper and lower cambered profiles and a reference line in which: the reference line is drawn between the trailing edge of the section and the leading edge or a point...

Matches 1 - 45 out of 45