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| Number | Title | Issue Date |
| 8096258 | Collapsible catamaran A collapsible catamaran is described, comprising two hulls (1) and a frame (4) which connects the two hulls (1) in a detachable manner and carries plug-in noses (3) which engage in plug-in receptacles (2) of the hulls (1). I... | 01/17/2012 |
| 7721671 | Bracing for collapsible boat 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 upwards, and fore portions of the side panels to curve inwards. The boat als... | 05/25/2010 |
| 7631612 | Device for modifying the hull of a floating body A device for modifying a hull of a floating body of a floating vehicle or floating bridge, having a base floating body, with an upper surface forming a principal rolling path, and first and second lateral surfaces. On each side of the base floating body, a first mov... | 12/15/2009 |
| 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 wrapping around and fixing the body part assembled into a single body,... | 07/22/2008 |
| 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 the entirety of said body or parts thereof, one or several negative ... | 05/20/2008 |
| 7325503 | Watercraft lift A lift for a watercraft has plastic reinforcing brackets which engage in pockets in the thin-walled plastic floatation tanks of the lift and which provide mounting flanges at the top surfaces of the floatation tanks for abutment with mounting pads which connect to t... | 02/05/2008 |
| 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 upwards, and fore portions of the side panels to curve inwards. The boat als... | 01/01/2008 |
| 7281487 | Adjustable boat platform insert An adjustable boat platform is provided that attaches to a conventional boat and transforms it into a fishing platform typically found on a bass boat. The invention attaches to the perimeter of just about any “V”-bottom boat using special slots and locking pins.... | 10/16/2007 |
| 7263940 | Pontoon frame and adjustable motor mount A float structure having a mainframe and pontoons is described. The mainframe includes floor support beams transversely attached to pontoon connector beams. The pontoon connector beams are operatively connected to the pontoons such that there are no weak points in t... | 09/04/2007 |
| 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 line of sight of the antenna aperture and a satellite and to avoid int... | 07/31/2007 |
| 7238073 | Inflatable towable float A towable structure is configured to be towed behind a boat while floating above the surface of a body of water. In one implementation, the towable structure has a platform for supporting one or more passengers thereon extending between or otherwise supported by at ... | 07/03/2007 |
| 7232356 | Inflatable towable float A towable structure is configured to be towed behind a boat while floating above the surface of a body of water. In one implementation, the towable structure has a platform for supporting one or more passengers thereon extending between or otherwise supported by at ... | 06/19/2007 |
| 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 wide base for stable operation when deployed on water. A foldable de... | 02/06/2007 |
| 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 to form a portion of the hull. The assembly is operatively arranged ... | 12/12/2006 |
| 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 that can be compressed or folded individually. The compressed kayak can ... | 12/05/2006 |
| 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 knobs. A bow spar with a line to the mast lifts the mast to vertical ... | 11/21/2006 |
| 7123201 | Radar antenna leveling system A remotely controllable, tiltable platform supports a radar transmitter/receiver for rotational movement of the radar relative to a mounting on a vessel, such as a mast of a sailboat or the superstructure of a power boat. A cowling extends upward from the foundation... | 10/17/2006 |
| 7047901 | Motorized hydrofoil device A motorized hydrofoil water craft that has a substantially horizontally disposed flotation device that may be configured to receive an adult human in a prone, sitting or standing position. The craft includes a hydro foil, a motor, and a steering mechanism. The hydro... | 05/23/2006 |
| 7004092 | Pontoon frame and adjustable motor mount A float structure having a mainframe and pontoons is described. The mainframe includes floor support beams transversely attached to pontoon connector beams. The pontoon connector beams are operatively connected to the pontoons such that there are no weak points in t... | 02/28/2006 |
| 7004100 | Canoe gunwale An improved canoe including a hull has sidewalls extending fore and aft and a gunwale on the sidewalls. The gunwale has longitudinal slot extending for a substantial portion of the entire hull. A canoe accessory has a thickened attachment portion for engagement in t... | 02/28/2006 |
| 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 included to build a finished kayak. The kit can be incorporated as part o... | 08/30/2005 |
| 6929521 | U-shaped float tube with stabilizing frame A float tube or watercraft comprised of a generally U-shaped inflatable flotation chamber having two generally parallel and laterally disposed leg portions and a rearward portion. The leg portions are preferably formed integrally with the rearward portion. The inven... | 08/16/2005 |
| 6925955 | Seating and rowing attachment for inflatable raft This invention provides an attachment for inflatable watercraft such as inflatable rafts to render such watercraft more suitable for sports fishing. The attachment includes a swivelable seat mounted at a convenient height for fishing, oarlocks mounted at the optimum... | 08/09/2005 |
| 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 and are hingably coupled together allowing them to be folded one porti... | 08/09/2005 |
| 6851382 | Floating collapsible utility trailer This invention describes a float able, 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 collapsible for easy carrying and storage and comes with a carrying handle. | 02/08/2005 |
| 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 edges to form a hull, complementary rigid hinge elements cooperating tog... | 05/25/2004 |
| 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 corresponding stem element by end connectors that connect to the stem element an... | 05/04/2004 |
| 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 supporting a double pair of wheels is pivoted to the main frame and is con... | 04/27/2004 |
| 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 position and is accommodated by a cradle fixed in position on ... | 11/18/2003 |
| 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 outboard side has an upward extending hull wall hinged close... | 11/04/2003 |
| 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 can be easily assembled without tools. Then, when disassembl... | 09/09/2003 |
| 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 with protective pads. The water sled is slightly modified a... | 06/24/2003 |
| 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 inflatable skin to define a rigid keel form in the inflatab... | 04/01/2003 |
| 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 collapsible for easy carrying and storage and comes with a carrying ... | 03/25/2003 |
| 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 metalocene. The pontoon has shape memory characteristics, which ma... | 03/04/2003 |
| 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 to accommodate the user, with an integrated load leveling ... | 01/21/2003 |
| 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 longitudinal alignment by sliding a male end of a frame member ... | 04/16/2002 |
| 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 stern sections joined together along common, centrally dispo... | 04/09/2002 |
| 6343560 | 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 to accommodate the user, with an integrated load leveling ... | 02/05/2002 |
| 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 the first rigid hull section, wherein an axis of the hinge... | 01/01/2002 |
