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7587986 |
Modular personal pontoon boat
A modular personal flotation system comprising, at least in part, rigid, seamless, non-woven modules, such as a seat module and various pontoon modules, formed by the process of rotational molding...
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7568444 |
Folding kayak
A folding kayak includes fore and aft subassemblies which are joined together and are covered by a water-impermeable skin to provide a watercraft with the favorable attributes both hard shell and...
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7401567 |
Built-up type boat
The present invention relates to a prefabricated boat. The prefabricated boat comprises a body part being composed of a plurality of division members capable of being assembled, an armor part for...
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7374708 |
Method of constructing a large, three-dimensional, laminar body
A method for constructing a three-dimensional laminar body of large dimensions is provided. Starting from a true-to-scale model of the three-dimensional laminar body to be obtained, which comprises...
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7314018 |
Collapsible boat hull
A collapsible boat hull comprises a pair of bottom panels and a pair of side panels, connected by continuous hinges. Erection of the boat causes a fore portion of the bottom panels to curve...
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7250915 |
Satellite antenna positioning system
A system and method for automatically positioning an antenna aperture on a mobile platform in a manner to avoid blockages created by other components/subsystems on the mobile platform between the...
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7171915 |
Water-stable inflatable pontoon boat transportable by trailer
A boat having inflatable pontoons connected therewith by rotatable support assemblies is described. The structure is capable of collapsing to a small size for transport on a trailer, but provides a...
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7146925 |
Apparatus for varying vessel hull geometry and vessels made therewith
An apparatus for varying the dimensions of a hull of a vessel comprising an arcuate truss assembly having a plurality of members pivotally joined. The arcuate truss assembly is operatively arranged...
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7143716 |
Portable watercraft
A lightweight, portable kayak is provided. The kayak is developed around a skeletal frame to which the kayak skin is permanently attached. The kayak skeletal frame may have one or more segments...
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7137349 |
Kickdown catamaran
A kick down and kick up catamaran assembles by hand with holes in main spar and stern spar ends receiving threaded rods extending vertically from the side-by-side hulls, secured in place with hand...
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6925956 |
Collapsible watercraft
A collapsible watercraft for personal recreation. The collapsible watercraft includes a tubular frame that has a first portion and a second portion. Each of the portions are generally rectangular...
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6739278 |
Folding rigid-bottom boat
A folding rigid boat for routine and emergency use by occupants as an auxiliary watercraft and including complementary rigid bow and rigid stern sections joined together along respective mating...
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6729260 |
Lightweight collapsible boat
A collapsible boat has a frame covered by a hull skin, the frame having two gunwales and a keel stringer terminating at two stem elements. The ends of the gunwales can be secured to the...
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6725796 |
Convertible pontoon/camper/trailer construction
An apparatus is convertible between a pontoon, a camper, and a trailer. The apparatus includes a main frame with longitudinally-extending beams and transverse beams. A retractable wheel frame...
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6647913 |
Collapsible boat transport system
A collapsible boat includes a center pontoon and two side pontoons which can be moved toward or away from one another and toward or away from the center pontoon. The center pontoon is fixed in...
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6640737 |
Retractable multi-hulled watercraft
A catamaran boat that can be sailed or motor driven having a central cabin structure carried above water by a pair or more of retractable hulls whether hulls are extended or retracted. Each hull...
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6615762 |
Foldable boat with light weight hull construction system
A primary goal of the present invention is to improve the prior art assembly system. The present invention provides a boat of simple ultra light construction with the fewest number of parts that...
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6582264 |
Portable, multi-use water device
A steel frame assembly that attaches to a 5-chamber, side-by-side inflatable water sled. The frame assembly supports a surface area that consists of a cargo mat and a polypropylene trampoline mat...
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6539889 |
Frame, inflatable skin and watercraft formed from same
A watercraft comprising an inflatable skin operable to define a hull shape when inflated, and a frame comprising an extendible rigid keel member engageable with the inflatable skin to stretch the...
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6536367 |
Floating collapsible utility trailer
This invention describes a floatable, collapsible utility trailer which can be filled with gear and towed behind a boat or, alternatively, pulled behind a person on dry land. The unit is...
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6526904 |
Semi-rigid pontoon
A pontoon comprising a seamless, non-woven, one-piece, inflatable vessel preferably formed by a process of rotational molding, from a resilient, semi-rigid polyolefin elastomer, preferably...
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6508194 |
Pontoon watercraft
A personal pontoon watercraft having a pair of pontoons with twin bladders secured by a three piece yoke frame which maintain the pontoons spaced apart and symmetrical and parallel with each other...
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6371042 |
Folding kayak
A collapsible boat comprising forward and aft hull sections, each of which comprising a plurality of longitudinal frame members and transverse cross members. The frame members are joined into...
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6367404 |
Folding rigid-inflatable boat
A folding rigid-inflatable boat for routine and emergency use by occupants as an auxiliary watercraft. The floating rigid-inflatable boat includes a hull having complementary rigid bow and rigid...
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6334402 |
Folding boat
The present invention provides a foldable boat comprising a first rigid hull section having a bottom that is substantially V-shaped in transverse section, and a second rigid hull section hinged to...
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6314904 |
Collapsible canoe
A collapsible canoe has a frame which includes a pair of gunwales connected together at each end by a gunwale terminator, a thwart separating the gunwales, a series of ribs connected to the...
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6298802 |
Collapsible boat transport apparatus
A collapsible boat including pontoons is positioned on a trailer or other transport vehicle having supports for the pontoons. The pontoon supports are movable toward or away from each other....
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6263827 |
Folding kayak
Kayak comprising: a rigid base in several sections end to end joined to one another in a water-tight hinge-mounting so that they can be folded one on top of the other; a rigid keel in several...
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6240872 |
Foldable boat
A foldable boat includes a bottom panel, a pair of side panels foldably and sealedly affixed on two sides of the bottom panel, and a front and rear elastic panels sealedly attached at a front and...
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6196152 |
Grid-like construction boat, for use as a tender or trip boat
An improved grid-like construction boat (1), for use as a tender or trip boat, comprises a central tubular framework, a plurality of tubular elements coupled to the framework and one or more...
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6178913 |
Collapsible boat
A collapsible boat includes two center deck panels and two outer deck panels, all of the deck panels being hingedly secured together. When the boat is in uncollapsed position all of the deck panels...
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6173671 |
Portable inflatable floatation device
A portable inflatable floatation device for use as a backpack frame to maintain a standard backpack thereto for hiking, with the back pack frame being convertible into floatation device seat, foot...
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6164803 |
Fold-up navigation light
A fold-up navigation light for boats and the like includes an elongate support pole having a bifurcated construction with an upper portion supporting a light, and a lower portion configured for...
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6135042 |
Sailing craft
A sailing craft that includes an elongated central tubular frame structure, a left outrigger assembly attached to the forward left side of the central tubular frame structure, a right outrigger...
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6083062 |
Portable pedal-operated paddlewheel boat
A lightweight, collapsible boat comprises twin parallel hulls, a frame and human-powered paddlewheels outboard of the two hulls. The boat's frame is capable of being collapsed and packed into a...
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6067925 |
Collapsible trailerless pontoon boat
A pontoon boat having a support framework that includes a number of telescoping cross members that laterally extend and retract to vary the width of the craft. Included tires rotate into and out of...
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5975005 |
Foldable boat
A foldable boat has a hull divided into at least three sections; one of which includes at least one hull forming member. Each hull forming member has a bottom forming member with side forming...
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5964628 |
Collapsible personal flotation devices
The present invention describes a stable floating environment for an individual or cargo while at rest or under tow. The device, when occupied by an individual, allows the user to recline, lay...
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5964178 |
Collapsible boat with enhanced rigidity and multi-function chair
A collapsible portable boat with enhanced rigidity, comprising a main skeleton frame and hull, including an end stem section and gunwales connected to each other by a gunwale connecting means,...
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5915327 |
Collapsible canoe skin
A composite skin tar a collapsible canoe. The skin covers a frame which includes a pair of gunwales, ribs, and stringers. The skin has a pair of polymer-coated gunwale sleeves which slidably engage...
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5878688 |
Kick boat
A kick boat employing a hinged frame design provides an infinitely adjustable foot rest and leg support, and infinitely adjustable mainframe positioning. No tools are required to assemble and...
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5875731 |
Collapsible boat
A collapsible boat having a framework comprising forward and aft keel member portions, forward and aft port and starboard gunwale member portions, forward and aft port and starboard stringer member...
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5873588 |
Assembled sail powered vehicle
An assembled sail powered vehicle, including: a sail; a frame for supporting the sail, the frame including a plurality of elongated rigid frame members, a plurality of joint assemblies releasably...
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5704310 |
Boat with folding transom
A collapsible hull boat has a folding transverse transom and a rigid transom board substantially similar in shape to the transom when deployed. The rigid transom board is attached from the outside...
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5692450 |
One man fishing vessel
A one-man vessel ideally suited for fishing includes a pair of rigid support pontoons that are interconnected by cross-frame members to provide a solid base from which a number of accessory...
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5690043 |
Automatic robe bundling device
A mooring line is automatically rewound into a bundle of loops by a rewinding reel that includes a rewinding line that is attached at spaced intervals by clamped eyelets with the last eyelet tied...
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5687664 |
Foldable inflatable rescue pontoon
An inflatable rescue pontoon for performing multiple water rescue operations comprises an elongate shell having a plurality of longitudinally extending individual sections. The plurality of...
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5651706 |
Collapsible pontoon pedal boat
A watercraft comprising a body, two inflatable floatation members, a drive assembly, a steering assembly and a seat wherein the body portion of the watercraft is foldably collapsible from an...
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5642686 |
Collapsible boat
A collapsible boat whose lateral hull walls are retractable to reduce the width of the boat is provided. Port side and starboard side lateral hull walls are pivotally connected along their lower...
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5615634 |
Collapsible boat with enhanced rigidity
A collapsible portable boat with enhanced rigidity includes main skeleton frame and hull, including an end stem section and gunwales connected to each other by a gunwale connector. The hull is made...
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