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7624695 |
Testing device for hull shells
The invention relates to a testing device for hull shells, wherein the test specimen is joined to a complementary structure with legs, having a U-shape in cross section, and at the ends of the legs...
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7575493 |
Thermoformed sports board
The invention is directed to a molded foam sports board made by steps: molding a foam core having a molded contour surface; laminating an extruded adhesive resin layer to a polyolefin foam sheet...
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7530323 |
Double-layer boat hull structure
A boat hull structure includes an inner layer formed of multiple inner plates each having two mounting flanges at two sides, an outer layer formed of multiple outer plates each having two mounting...
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7261932 |
Composite structural laminate plate construction
A composite structural laminate plate construction comprises two outer metal layers, a form between them and an elastomer layer bonded to the outer metal layers and filling the space between them...
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7252727 |
Repair system and method for fiberglass boats
A method to repair moisture damaged wood core boat hulls remotely identifies and repairs all wet core hull areas and optionally performs preventive maintenance on dry hull areas to restore the...
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7223457 |
Composite elements
The invention relates to composite elements comprising the following layered structure: (i) 2 to 20 mm metal, (ii) 10 to 300 mm plastic, (iii) 2 to 20 mm metal, whereby (i) and/or (iii) optionally...
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7177735 |
Control apparatus for a hull with a four-cycle engine installed thereon
A control apparatus for a hull with a four-cycle engine installed thereon can perform engine stop processing by quickly detecting a turnover state of the hull while suppressing a turnover...
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7111577 |
Electromagnetic wave propagation scheme
An apparatus for effecting propagation of electromagnetic waves, comprising a hull outer surface, a dielectric material disposed over the hull outer surface, and an electrically conductive member...
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6935265 |
Skin on frame kayak and kit and a course incorporating the kit
A kit for building a unique skin on frame kayak. The kit can comprise various raw, precut, and/or preformed materials that can be used to build a kayak frame. Further, various materials can be...
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6790402 |
Method of making complex shaped articles
The complex shaped articles are formed by trimming, cutting and shaping a honeycomb core material to a desired size and shape, deforming the sized and shaped honeycomb core material at ambient...
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6763777 |
Conversion cockpit for a sailboat
A new cockpit unit and method for installation in a sailboat comprises a drop-in replacement cockpit of fiberglass reinforced resin that increases cockpit floor area by 255% and converts...
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6742469 |
Device and method for handling a boat sundeck
A device for, and method of, handling and mounting a boat sundeck. The device includes a platform having first and second ends. A clamp structure is connected to the first end of the platform such...
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6666162 |
Aluminum hull boat with extruded running surface
An aluminum hull boat includes a running pad formed through an extrusion process. The running pad includes a lower planing element at least a portion of which is in contact with the water when the...
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6619224 |
Marine vessel
A modular marine vessel has a variable hull and a plurality of boat forming modules including a bow section module, a load section module having a bow end and an aft end, and a bulkhead forming...
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6609475 |
Integrated bumper boat hull and method
An aluminum boat hull is disclosed having an integrally molded bumper formed on the sidewalls that is securely attached and protected. The bumper is made of a first and second layer of foam covered...
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6244206 |
Structural system for a molded boat hull
The present invention provides a molded boat hull with a novel structural stiffening system. The boat hull has a number of laterally positioned compartments molded into the inner shell with...
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6223679 |
Circular hull structure
A hulls' shape of which cross-section is a section of a circle, thus retaining symmetry of its wetted surface (9) regardless of its rolling motion or heeling while under way. Shape that results in...
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6182591 |
Reinforced powerboat construction
A powerboat has a hull, keel, a transom, sidewalls, and a gunwale. The hull has at least one stringer on each side of the keel. An upwardly generally transversely oriented elongated structural...
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6142093 |
Method for building lapstrake boats
A method for building lapstrake boats without use of a strongback and molds, and without the need to cut bevels on the strakes. The two-dimensional shape of each strake is determined and the...
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6116181 |
Boat hull with wood grain finish
A wood grain printed film showing strakes, rails, screws, plugs and caulk is affixed to the outside of fiberglass hulls to provide the appearance of a wood hull boat. The film is adhered to the gel...
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6101965 |
Ride plate for watercraft
A watercraft is disclosed including an improved ride plate for enhanced handling, responsiveness and performance of the watercraft. The ride plate preferably has two grooves formed in the...
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6044789 |
Fabric skinned inflatable dory
A rigid, inflatable dory and method for constructing the same. A pre-hull is constructed by attaching to a front end of a rigid, substantially, flat bottom a forwardly inclined stempost and, to a...
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6024042 |
Rib rigid hull inflatable boat with improved deck drainage and support construction
A RIB (22), rigid-hull inflatable boat, includes an inflatable tube (24) having a general U shape with a forward end (26) at the bight of the U and trailing sides (28, 30) extending rearwardly...
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5960735 |
Intra-bonded boat structural design for reducing weight with increased strength
A structural design method that supplies the needed internal structural strength for a boat hull that eliminates the need for a rib/stringer (horizontal and longitudinal) structural stiffeners in a...
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5743203 |
Boat hull and deck assembly
Disclosed herein is a boat comprising a hull member including a gunwale having an outer peripheral surface, and a deck member including a depending peripheral portion including an inner concave...
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5558038 |
Boat hull gunwale construction and process therefor
A method of molding a boat hull including a screw strip using the resin transfer molding process, the method comprising the steps of wrapping the screw strip with reinforcement, fabricating a rigid...
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5481998 |
Recreational boat construction
The invention provides a fiberglass recreational boat comprising a hull piece having a cockpit with a floor, a deck piece having an integral aft seat with the aft seat being arcuately shaped, and a...
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5476560 |
Method of producing an improved hull
The present invention relates to a method of producing an improved hull at new building of and renovating ships and boats having metal hulls for accomplishing high finish, good heat insulation and...
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5372085 |
Collapsible boat
A boat having bottom and side panels. A yieldable diaphragm has a seal between the diaphragm and the panels. A motor mount on a rear seat board projects rearwardly and beyond the diaphragm to...
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5355828 |
Boat construction
A recreational boat comprising first and second sheets of aluminum having respective first and second longitudinal edges, the first sheet having a first bend extending along a majority of the...
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5277145 |
Transom for a boat
A boat hull includes a stern section known as a transom which comprises an outer transom wall, an inner transom wall spaced apart from the outer transom wall, and a core of syntactic foam...
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5266245 |
Methods for applying acoustic coverings to surfaces of a marine vessel
Methods for applying coverings to surfaces by casting at least a portion of the covering in a mould from a solidifiable liquid mix. The mould may be applied directly to the surface or to an already...
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5261345 |
Inflatable pneumatic boat with a non-flat rear board
An inflatable pneumatic boat with a non-flat rear board. An inflatable pneumatic boat comprising a rear board (5) extending transversely and approximately vertically between two lateral floats (2),...
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5188056 |
Pleasure boat with sails or motor
Pleasure boat with a sail or motor comprising a hull and a deck separated by an interface, remarkable insofar along the outlying perimeter of the interface on the hull and/or on the deck, it has...
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5184566 |
Buoyant boat with girder box
A buoyant boat with a girder box is provided. The girder box maintains the deck part and hull part of the boat in predetermined spaced apart relation and allows the transmission of forces and...
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5108321 |
Motor boat with auxiliary motor
A motor boat with auxiliary and main motors and having a transom with a pocket or recess constructed and arranged to receive and support an auxiliary outboard motor. The auxiliary motor is...
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5088437 |
Boat hull construction method and product thereof
A deck, gunnel, and two longitudinal hull plates, each having one longitudinal straight edge, are serially attached to one another with two interposed longitudinal bulkheads. After attachment of...
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5086725 |
Unitized recreational boat construction
A recreational boat construction utilizes a hull formed of a thin gauge metal, such as aluminum, with the hull having an upper extremity to which are fastened unitary superstructure members molded...
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5085162 |
Unitary self-supporting wood deck insert for boats
The unitary deck insert (10) includes two longitudinal plank braces (14,16) which extend the entire length of the deck insert (10), and two beam members (20,22) which extend laterally across the...
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5036788 |
Boat transom construction and method of making same
A boat transom and method of constructing same utilizing the outer skin of the hull and transom while still in the hull mold. A bulkhead is disposed in forwardly spaced relation to the outer skin...
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5016552 |
Boat hull
A boat hull having inner ribs and outer chines interconnected by an inverted V-shaped planer surface and with the ribs and outer chines being pronounced at both sides of the stern of the hull and...
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4917035 |
Monohull sailboat with enlarged deck area
A lightweight monohull sailboat of length less than sixteen feet having a clear uninterrupted, full beam, deck area above the waterline of the hull of at least sixteen square feet. The sailboat is...
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4913079 |
Yacht
The invention relates to a yacht. The yacht has a body, and this body comprises at least outer and inner skins formed of a resin material incorporating reinforcement fibers therein, and a formed...
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4892052 |
Boat decking system and method of assembling same
A decking system for a boat includes a deck substructure composed of aluminum cross members attachable on pontoons of the boat, and elongated aluminum deck planks being attachable to the cross...
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4892054 |
Composite transom structure
A transom for a boat is made of a metal grid structure filled with a hardened slurry of glass microspheres mixed with a polyester resin, the grid being covered on opposite sides by layers of...
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4875430 |
Boat building method using modular propulsion system
A method is provided for constructing an engine-powered propeller-driven boat. The method involves first pre-assembling a propulsion system, comprising a plurality of separate pre-machined...
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4860682 |
Unitary-panel boat hull construction
A displacement hull is formed by making a series of cuts in a curves sheet or panel of semi-resilient material. At least one primary cut begins at one end of the panel, and extends in one direction...
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4821667 |
Composite fiberglass and metal boat
The present invention relates to a novel type of boat construction wherein a metal hull, comprised primarily of aluminum metal and there is fitted thereupon a fiberglass interior supported along...
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4745874 |
Kayak internal support systems
An internal support system for the cockpit portion of a kayak is provided which comprises rigid bow and stern plates, which are fastened to the kayak's bow and stern decks, respectively, and extend...
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4723928 |
Outboard engine bracing system
An outboard engine bracing system for utilization on a boat hull having a transom. The outboard engine bracing system comprises an outboard extension formed integral with the boat hull and being...
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