Class 114/346 - Circular

Subclass of Class 114 - Ships
Definition: Device wherein the outer edge of the boat is substantially
No. of patents: 37
Last issue date: 11/15/2011

Number	Title	Issue Date
8056494	Propelling apparatus for a flotation device The disclosure depicts and describes flotation device including a deck, and a chaira seat on the deck. A well extends downwardly from the deck, and a ledge extends upwardly from the deck. The deck has an aperture positioned adjacent the ledge; additionally, the inve...	11/15/2011
7404371	Floating leisure platform The invention relates to a floating leisure platform with a heating device (A) for food and a seating facility (14) for one or several people. ...	07/29/2008
6973892	Quick release coupler for an inflatable towable vehicle The present invention provides a quick disconnect coupler for an inflatable towable vehicle including a body member attached to the towing connection of the towable vehicle and a selectively movable arm having a first end pivotally attached to the body member. The a...	12/13/2005
6962124	Round boat The present invention provides for a boat having a circular hull. The circular hull has a topside, a forward portion and an aft portion. Further, the circular hull has a first slot located in the forward portion and a second slot located in the aft portion. A rudder...	11/08/2005
6896569	Float tube cover A float tube cover for covering the exterior of an inflated inner tube or the like with a fabric material which will prevent adhesive burns and abrasions and also prevent the inner tube from becoming excessively heated from exposure to the sun. The cover is desirabl...	05/24/2005
6688251	Vehicle of immersion forced by hydrodynamic flow (VIFHF) A submersible vehicle of diverse use that eliminates the compartments of ballast, and at the same time, has a horizontal displacement system and new direction. The vehicle includes a water pump adapted to generate a flow of water; an admission duct to rec...	02/10/2004
6543378	Personal watercraft A watercraft apparatus comprises a rigid platform supporting a seat on an upper surface and a rudder rearward and extending downwardly for providing stability to the apparatus when afloat. A strut extends forward of the platform and supports a propulsion ...	04/08/2003
6234857	Pet recreation flotation device A non-inflatable flotation device that includes a substantially flat non-inflatable buoyant base portion, and a non-inflatable buoyant rim wall extending from the base portion. The rim wall extends at least partially around the periphery of the base porti...	05/22/2001
6220908	Inflatable towable vehicle An inflatable towable vehicle including a tapered hull. The hull is formed of a plurality of concentrically disposed inflatable rings with chambers which have progressively increasing diameters from the outermost ring to the innermost ring. Interior conne...	04/24/2001
5605021	Earthquake-proof building Earthquake-proof building, characterized in that it is composed of a circular horizontal base structure (1) obtained by joined-together elements juxtaposed along radii, a vertical storey structure (2) comprising pillars (9, 10) arranged bearing on this ho...	02/25/1997
5570480	Inflatable floating spa An inflatable floating spa for use in water by a person to recline and rest therein that is formed from a resilient material and comprises an air chamber that provides support for suspended upper and lower water chambers which remain submerged and a sheet...	11/05/1996
5474481	Multi-sport flotation system A flotation system for supporting a person on a body of water for a variety of activities comprises an endless inflatable tube for supporting a person on a body of water, the tube having a circumference that defines an interior space extending from a ster...	12/12/1995
5375551	Water jet saucer A water jet propelled saucer shaped water craft having a smoothly curved, convex shaped outer surface comprised of a hull section being slightly radiused from a curved bottom surface up to a circular top, a water jet propulsion system for altering the ver...	12/27/1994
5331914	Highly stable one-man boat The boat has a circular hull which rotatably supports an overlying deck and its attached pedestal seat for rotation about an upright axis concentric with the center axis of the hull. For steering the boat, an electrically powered trolling motor secured to...	07/26/1994
5299964	Amusement raft ride A raft for an amusement ride is provided. The raft has at least one passenger support having accommodations sufficient to accommodate at least one passenger thereon. At least one link is provided on the raft, and is compatible with a link on another raft ...	04/05/1994
5297978	Tote 'N flote water vehicle A water vehicle comprising in combination an ovoid, inflatable tube with an open bottom, rigid seat platform suspended above the water line, a dry duffel compartment, a removable, dry, duffel day-pack and detachable wet and dry stowage compartments which ...	03/29/1994
5219307	Convertible recreational raft A convertible recreational raft that can be used on a pool or lake, comprising a floating raft defining a relatively large central opening to surround the users. By itself the buoyant raft provides recreational opportunities. A mesh material may be stretc...	06/15/1993
5183422	Pedal boat A pedal boat for recreational use includes an inflatable ring on top of which is mounted a platform structure carrying a seat, pedals and a steering mechanism. The pedals drive a shaft mounted diametrically of the ring and carrying paddles. The steering a...	02/02/1993
5176546	Leisure boat A leisure boat is provided in a round form having a diameter of about 1 to 2 meters, and includes propeller means provided at a position closer to its bow from the center of the boat and the bow and having a mechanism for changing its driving direction an...	01/05/1993
5090930	Power-driven float assembly A power-driven float device includes a combination and inflatable float tube, a support body for the power supply on which there is mounted a vertical shaft and an electric motor and impeller together with the battery for powering the electric motor and m...	02/25/1992
5052955	Leisure boat A leisure boat is provided in a round form having a diameter of about 1 to 2 meters, and includes propeller means provided at a position closer to its bow from the center of the boat and the bow and having a mechanism for changing its driving direction an...	10/01/1991
4911094	Powered floater A float tube and a separate power unit floater combination wherein the power unit floater includes a toroidal shaped float tube and a power unit shaped to fit in a central cavity of the float tube. The power unit further includes a battery and electric mo...	03/27/1990
4775340	Freely-floating wind power plant This invention concerns a wind power plant and/or wind motor-driven craft, consisting of a frame floating on a water surface and upon which has been mounted a tower with a wind-driven generator, and characterized in that the frame consists of a body which...	10/04/1988
4730572	Rudderless circular boat A circular boat comprising a pair of generally dish-shaped members connected together in opposed relationship. A cockpit region is provided abeam of the boat and an outboard motor is operationally but fixedly mounted in a motor well behind the cockpit reg...	03/15/1988
4696251	Rapid river ride boat A circular floatation vehicle, particularly for rafting as an amusement ride, the vehicle having an annular tube with a circular platform inset, wherein the platform inset is constructed with a central contoured core to seat a plurality of occupants aroun...	09/29/1987
4641599	Speed maneuvering water craft and controls A highly maneuverable water craft for recreational enthusiasts with two hydraulically controlled and driven reversible propellers directionally fixed to a toroidal peripheral hull section which encircles a thinner interior platform section. The toroidal e...	02/10/1987
4635581	Tube cover A tube cover has top and bottom flat portions stitched together along mutual peripheral edges, and a hitch which consists of a plurality of crossing straps that are interconnected by stitching, and a D-ring attached to one of the straps....	01/13/1987
4587917	Multi-use watercraft A watercraft having a buoyant hull provided with a centrally disposed, narrow keel and pontoons spaced at either side of the keel is surmounted by a circular deck portion on which various fittings can be disposed to allow for conversion of the hull to the...	05/13/1986
4543902	Construction of hull of vessel such as tanker Disclosed is a hull of a vessel such as a tanker. The hull is basically composed of three hemispheres, at least of two of the hemispheres having an equal diameter, the three hemispheres being connected to one another such that the lines connecting the cen...	10/01/1985
4521200	Surfboard type boat convertible into sailboat or buoy A surfboard type boat convertible into a sailboat or buoy and comprising a circular floating board enclosed by a shell of polyethylene and containing foamed polystyrene. A cone-shaped keel likewise filled with foamed polystyrene is provided on the lower s...	06/04/1985
4516943	Amusement ride raft A raft for a rapid flow water course amusement ride having a generally circular shaped hull fabricated in two sections with a surrounding floatation bumper and separate redundant floatation material in the bottom of the hull. A multiplicity of inwardly fa...	05/14/1985
4367689	Water recreational vehicle The water recreational vehicle of the present invention consists of a rigid housing mounted on a floatatable tube. The vehicle is powered by two hand operated battery powered motors with propellers. The vehicle is designed to have increased ballast and ma...	01/11/1983
4360396	Inflatable element and method of making same This annular inflatable element comprises two ring-shaped elements interconnected by an inner closed belt and an outer closed belt. All these elements are welded together, and all the welds are of the sleeve coupling type without requiring any complementa...	11/23/1982
4305170	Dinghy To simplify the manipulation of a dinghy between water and a storage location above high water mark, the dinghy is constructed so as to be circular when viewed in plan and is provided with pivotal means, such as a frusto-conical buoyant body having a bore...	12/15/1981
4273060	Sailing vessel The sailing vessel of the present invention includes a hull of omnidirectional construction, and a generally triangular sail which is supported along two side edges, with the third side edge unsupported and extending generally horizontally. The angular po...	06/16/1981
4101996	Foot propelled water vehicle A foot propelled water vehicle includes a hard-shelled body having a generally annular periphery. The body has a seat cavity integrally formed with the body such that an individual may recline within the seat so that the individual's legs extend over a si...	07/25/1978
3974535	Boat hull with spherical dome A boat comprising a hull the general shape of which is a spherical dome which in the fore part of the boat extends to above the water-line at maximum load while at the sides the part of the hull above the water-line departs from a spherical shape and prog...	08/17/1976

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Class 114/346 - Circular