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CobaltIP-faceted-search-demo
Match Document Document Title
8109221 Single drive catamaran hull  
The catamaran hull includes a pair of substantially parallel separate hulls, connected by an intermediate hull portion, wherein only one of the separate hulls includes a propulsion assembly. Each...
8069800 Stealth armed surface ship  
The invention relates to an armed stealth surface vessel (1) comprising a hull (2), a deck (5, 6) and superstructures (3). The inventive vessel is equipped with sensors, transmitters, arms and,...
8065970 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...
7950340 Pontoon boat  
A pontoon boat having enhanced handling characteristics includes a deck, a central pontoon mounted to said deck, two outer pontoons mounted to said deck on respective opposite sides of said central...
7870830 Pontoon with integrated lifting strake and method for making the same  
A pontoon with an improved running surface and methods for construction the same are provided. The pontoon comprises an interior concave main running surface formed along the longitudinal...
7458327 Planing pontoon boat hull  
A planing pontoon hull is described including a bow section with separate steep and shallow bow planes separated by left and right displacement guides extending upward from a planar bottom. Forward...
7275490 Shallow draft floating vessel  
A catamaran-like one piece molded stable watercraft with sloping sides and a graduated sloping channel for supporting an individual and up to 600 pounds of gear without flipping and wherein the...
7168381 Vessel hull and method for cruising at a high Froude number  
In one aspect of the invention, a vessel has a liquid-plane greater than one meter2/(metric ton)2/3 and includes a hull having a total length and a plurality of hull portions each having a length...
7165503 Hull of a ship having a central keel and side chines  
A hull of a ship has a front hull part (10) with a deep V-shape contour having an angle gradually increasing from fore to aft to become 180 degrees in a rear hull part (14) with chines extending...
7111569 Individual propelled water craft  
An individual propelled catamaran watercraft with sloping sides and sloping channel adapted for supporting an individual without flipping and having a draft of no more than 3 inches.
7055446 High-Froude hull ship  
A large-waterplane-area ship operable to efficiently operate at a high-Froude velocity. In one embodiment of the invention, a large-waterplane-area ship includes a hull structure having a plurality...
7013819 Marine catamaran platform  
A marine catamaran platform especially advantageous for small boats (in the three meter range) in which two substantially identical hulls are surmounted by superstructures that are joined by arced...
6883450 Boat hull design  
A multi-hull design suitable for various size boats ranging from racing craft to the large military ships. The apparatus is a polygonal boat hull apparatus having a bow and stern wave penetrating...
6598552 Pontoon having a cross section with a non-uniform diameter and boat having same  
A pontoon includes an elongated body of non-uniform diameter. The body is dimensioned and configured to provide a non-uniform buoyant force to a boat along at least a majority of a length of a...
6338307 Open passage water ballast twin hull apparatus  
A sea friendly hull shape invention provides the benefit of water ballast without the penalty of carrying that ballast. There are open ballast passages which can be in the shape of pipes, or other...
6311635 Monohull having stern stabilizers for a high speed ship  
The technical field of the invention is that of ship building, more particularly making ship hulls. A monohull with stern stabilizers, also known as a pseudo-trimaran, for constituting a very...
6148757 Hydrodynamic and reinforced catamaran hull design  
An air propelled boat. It is provided with a pair of catamaran hulls, each having a unique catamaran hull design particularly adaptable for travel over land, water, ice or snow. Each catamaran hull...
6112687 Ship hull  
A ship hull comprises at least one longitudinally directed displacement body which is symmetric to the longitudinal axis of the ship and which is adjoined by gliding surfaces at least at both...
6095073 Multihull boat  
A boat that can be rowed, sailed and motor driven, and has a pair of parallel elongated pontoons and a normally above-water boxlike structure which serves to connect the pontoons, to provide a...
6085678 Water vehicle  
The water vehicle has two parallel surfboards arranged with a distance between them, connected to one another with the help of a frame. The two legs of the frame arranged in the direction of travel...
6085677 No/low wake, high speed power catamaran hull  
A catamaran multihulled craft with each hull bottom having a multifaceted inverted V shape with all bow to stern lines, IE: chines, angle change lines and center lines being parallel and rising to...
6009820 Semi-submersible vessel  
An uncrossed-braced, column stabilized semi-submersible and improved methods of operation of the same are disclosed. The semi-submersible vessel provides necessary strength to resist hydrodynamic...
5988087 Pontoon for boats  
A pontoon (20) for a boat (22) includes a base member (24) and a closure member (26) which are attached to form a U-shaped performance structure and a cylindrical support structure. A foam (74)...
5694878 Semi-submerged catamaran  
In a semi-submerged catamaran comprising at least two submerged bodies, struts mounted in a standing position on respective submerged bodies and a hull part supported by the struts above the water...
5673641 Wind-propelled hydrofoil  
A wind-propelled hydrofoil comprising a forward assembly with at least partially submerged forward foils and a fully submerged aft foil. The forward foils (43, 44) are such that the resultant of...
5570649 Boat hull  
A boat hull structure comprising a pair of laterally-spaced hulls having V-shaped bottom portions that are each symmetrical about a vertical plane extending through its longitudinal axis. A channel...
5570650 Surface effect vessel hull  
A surface effect hull particularly suitable for use with a catamaran vessel. The twin hulls each comprise a V-shaped portion and a recess portion that receives pressurized gas therein. The V-shaped...
5535690 Pitch stabilized displacement vessel  
A pitch stabilized vessel includes at least one displacement hull constructed for high propulsion speeds of, for instance, 35 knots. The hull is configured so as to locate the pitching center of...
5526762 Power planing catamaran  
A powered planing catamaran has a pair of asymmetric V-bottom hulls such that the inner surfaces of each of the hulls defines less of a deadrise angle than the outer surfaces. The inner surfaces...
5522333 Catamaran boat with planing pontoons  
In a catamaran boat, including a propulsion system, and main hull positioned to travel above the water surface, the hull extending longitudinally forwardly, the combination comprising: two...
5520130 Boat having hull members with separate fore and aft planing surfaces  
A boat having a pair of hull members with separate fore and after planing surfaces. Each one of the hulls has a forebottom surface, an aftbottom surface and a midbottom surface. The forebottom...
5365869 Catamaran for pastime, model construction or racing in any competition rating, with induced hydrodinamic stability  
A catamaran for pastime, model construction or racing with induced hydrodynamic stability, having a hull with a board (1) and a pair of longitudinally extended semi-immersible appendages (2, 3; 8,...
5308268 Humanly operable, recreational, readily disassemblable water cycle  
To permit rapid assembly and disassembly of the water cycle so that, when disassembled, it can be stored or transported in minimum space. The cycle, which has at least three flotation bodies (2a,...
5231949 Dihedral tunnel boat hull  
This invention is an improved boat hull design for stable operation as a planing-type hull in a wide range of water conditions. The hull is comprised of a substantially V-shaped central hull...
5211126 Ship or boat construction having three hulls  
A catamaran design has a third hull positioned between the conventional hulls. The third hull has a length equal to about two-thirds of the length of the conventional hulls, and a recess is formed...
5191849 Multi-hulled boat  
A multi-hulled boat has at least three hulls, with the outside hulls extending forward beyond the central or inside hull or hulls. The hulls are tapered with a cross-sectional configuration that...
5191848 Multihull vessels, including catamarans, with wave piercing hull configuration  
A catamaran vessel with a pair of spaced apart, parallel hulls which are made of sealed watertight configuration of composite marine material and interconnected by a deck and cabin structure with...
5188049 Catamaran boat  
A powered catamaran boat having displacement hulls (10) that provide stable boat performance. The two hulls (10) are joined by a deck structure (12), forming a tunnel (16) between the two hulls....
5088431 Sailing vessels  
Proa sailing vessel including a pair of spaced hulls comprising a windward and a leeward hull, a crossbeam assembly interconnecting the hulls and a fixed mast assembly with its lower end supported...
4996935 Stable racing catamaran with hydrofoil qualities  
A stable racing catamaran with hydrofoil qualities is disclosed. The stable racing catamaran with hydrofoil qualities includes a deck, a pair of forward pylons affixed to the deck, a pair of aft...
4941419 Catamaran boat structure  
There is disclosed a catamaran either of the inboard or of the outboard type comprising a tunnel having a decreasing height from the bow to the stern thereof and so shaped as to provide an optimal...
4938162 Inflatable power catamaran  
A boat includes a pan of inflatable hull sections having a rigid deck attached thereto. The attachment includes a generally J-shaped connection at a point above the center line on the hull and...
4936237 Dual boat hull  
A boat with dual hulls is constructed of outwardly concave cylindrical hull plates that are substantially free of compound curvature. The respective hull portions may be closed at their ends by...
4924792 High speed planing boat  
A pleasure boat having a rectangular passenger area for operation at high speeds in moderate seas, planes on ski-like planing surfaces on the bottom of laterally spaced, knife edge hulls located on...
4856445 Sailboat construction  
A sailboat construction includes a hull having spaced first, second and third longitudinally extending lateral resistance elements which provide resistance to lateral movement of the boat under...
4836298 Boat of the catamaran type, propelled mechanically  
A boat of the catamaran type, which is mechanically propelled, preferably by means of an outboard motor comprises two floasts, which are advantageously identical, coplanar and parallel, and a seat...
4714041 Structure of surface effect ship with side walls  
The present invention relates to a surface effect ship including a catamaran type supported structure with two side hulls connected by a central box structure, able to operate either as a buoyant...
4708077 Hull shapes for surface effect ship with side walls and two modes of operation  
The present invention concerns hull shapes for a surface effect ship, including a catamaran type supported structure with two side walls (100) connected by a center platform (200), able to operate...
4702186 Sailboat having at least two hulls  
In a sailboat having at least two hulls which are rigidly connected in parallel spaced arrangement by a platform, the hulls are provided at least at the bow with a bulge-shaped or drop-shaped...
4660184 Device for use in borehole-seismic measurements at sea  
A device for use in borehole-seismic measurements at sea whereby seismic energy sources (7) are suspended below the surface (D) and connected to a handling line (2) which is operated by a crane...
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