...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7311056 | Pontoon float towable behind a watercraft An apparatus for towing cargo behind a watercraft that includes a floating assembly for towing behind the watercraft and comprising a frame and at least one floatation device mounted on the frame. The apparatus further includes a linking assembly mounted on the floa... | 12/25/2007 |
| 7267065 | Sailing vessel with lateen sail rigging A lateen rigged sailing vessel having a mast; a luffspar; a boom; a pair of lateral struts; and a lateen sail, has a lower end of the mast mounted forward on the vessel and positioned on the vessel's longitudinal center line in a canted fashion raked aft. The boom i... | 09/11/2007 |
| 7252264 | Flying sailboat A vehicle adapted for airborne flight and waterborne sailing has a fuselage (20) with left and right wings (52, 54) that pivot independently about a respective longitudinal axis from a generally horizontal orientation for flight to a generally vertical... | 08/07/2007 |
| 7237500 | Hull construction for side hulls of trimaran and the like An amah for a high speed seagoing multi hulled vessel, the amah having sides extending upwardly and outwardly from a base line, the sides having longitudinally extending vertically spaced stiffeners, the bow of the amah including a plate field comprising a plurality... | 07/03/2007 |
| 7234404 | Water craft with a sail A catamaran-type water craft includes a frame (1) which is fixed on two bodies forming floats (2) and a sail (5) for wind-driven displacement when the floats are on a stretch of water, characterized in that the water craft includes a central pil... | 06/26/2007 |
| 7207286 | Tri-point hydro sled A marine vessel that planes over the water in a straight ahead mode and has a V-shaped bow configuration, two lateral rails, a water jet intake aft of the bow, and a water jet discharge through the transom above the water line. The vessel's tri-point contact with th... | 04/24/2007 |
| 7197996 | Seat board for board kiting The present invention discloses a seat board for board kiting that is made of a substantially high durability of material, having a seating recess thereon, thereby permitting a rider to enjoy the board kiting in a convenient way. The seat board for board kiting that... | 04/03/2007 |
| 7146918 | Wind-powered linear motion hydrogen production systems A system for generating hydrogen is provided which includes at least one vessel which floats in water. At least one sail for capturing wind to move the vessel reciprocally along a substantially linear path is mounted on the vessel. A power generation system is provi... | 12/12/2006 |
| 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 |
| 6923131 | Windsurfing catamaran with dynamic shock dampened rig centering keel and hull support A windsurfing catamaran with a self-stabilizing wing. The wing is moved to the correct position by counter balancing water pressure from a rotating central keel connected to a central mast. The keel rotates in the opposite direction of the wing when the wing is move... | 08/02/2005 |
| 6910434 | Control device for steering kite on a boat A control device for a steering kite on a boat. The steering kite can be steered by a steering device and at least two or three, preferably at least four or five, suspension lines. The control device comprises at least one force introduction rail that extends horizo... | 06/28/2005 |
| 6905096 | Kite with planar aerodynamic surface A kite system including a base, a substantially exposed substructure coupled to the base to flex the base, and one or more masts and sails coupled to the base. ... | 06/14/2005 |
| 6386130 | Control systems for sailing vessels An improved control system for a sailing vessel for controlling the position of the sail and the rudder, and affixed to a slidable seat apparatus. A movement of the seat apparatus does not alter the position of the sail or the rudder. A ballast control, s... | 05/14/2002 |
| 6216621 | Wind-powered air/water interface craft having various wing angles and configurations A wind powered air/water interface craft disposed in a mechanically simple configuration(s) with means for trimming and/or adjusting the area of the various air and water foil elements either independently or together or both. All of its structural elemen... | 04/17/2001 |
| 6202582 | Asymmetrically shaped sailboat A sailboat symmetrical in the longitudinal direction, but asymmetrical in a cross-sectional plane perpendicular to the longitudinal axis. The sailboat includes a main hull, a mast, a yardarm pivotally attached to a head of the mast, and a sail attached to... | 03/20/2001 |
| 5807152 | Surfboard and method of making same Lightweight, high-strength flotation devices such as surfboards, sailboard and body boards that can be inexpensively manufactured from plastic sheet materials using thermo-vacuum forming techniques. The devices include specially configured structural core... | 09/15/1998 |
| 5704305 | Wind sailing vessel A wind sailing vessel for sailing over a water surface comprising an arch shaped platform which disengageably engages first and second conventional windsurfing devices in a spaced, side-by-side relationship. The arch shaped platform further comprises two ... | 01/06/1998 |
| 5682831 | Water surface glide sailboat utilizing wind power propelling A water surface glide sailboat utilizing wind power propelling is disclosed wherein the sailboat includes a flat bottom float mounted on a beam at a joint having an axis parallel to the keel line of the sailboat so that the floats are further capable of r... | 11/04/1997 |
| 5657713 | Tri-modal multi-canoe boating system A system for adapting an open-hulled canoe to multiple modes of operation by connecting it in parallel alignment with a second open-hulled boat using bow and stern connecting members, a rigid fore cross member which spans and is releasably affixed to the ... | 08/19/1997 |
| 5617805 | Trimaran An improved trimaran is provided that includes a car-like steering configuration and interchangeable floats or pontoon supports to vary the width of the trimaran, depending on whether the user wishes to sail the trimaran or transport it to another locatio... | 04/08/1997 |
| 5603277 | Tack aback sailboat A rudderless sailboat having a hydrodynamic symmetry fore and aft which can be sailed equally well in either direction. The craft is steered by tilting the mast and keel. In an alternative embodiment the sailboat also has no keel. The hulls are rigid and ... | 02/18/1997 |
| 5564955 | Bracket for supporting an electric powered outboard motor and an electric battery relative to a marine vessel A bracket is provided for supporting an electric powered outboard motor, such as a trolling motor, and a battery relative to a small marine vessel, such as a Hobie Cat, in order to provide propulsion during becalm conditions. The motor and battery bracket... | 10/15/1996 |
| 5492074 | Sailing arrangement A pair of pontoons are connected together in spaced arrangement by a bridge. A hammock, for supporting the user of the sailing arrangement, is disposed between and above the pontoons. A framed sail is attached to the pontoons such that the attitude and di... | 02/20/1996 |
| 5191850 | Sail boat righting system A righting system for a multi-hulled sailing vessel with a floatable mast has mast support cables, including aft mast support cables, extending from the top portion of the mast to vessel anchor points aft of the mast, and extendable and contractible vesse... | 03/09/1993 |
| 5170734 | Wind propelled craft with multi-function rudder control arm A unique wind propelled craft including a body, a deck which forms the upper surface of the body, a sail for propelling the body by wind forces, a rudder for maneuvering the craft, and a rudder control assembly for controlling and adjusting the position o... | 12/15/1992 |
| 5168824 | Foil suspended watercraft A hydrofoil suspension system which maintains a watercraft in a desired attitude relative the water's surface. Pitching and rolling forces are automatically controlled while the system is resistant to destabilization by localized surface irregularities.... | 12/08/1992 |
| 5158035 | Portable collapsible boat A portable collapsible boat comprises a body formed of a bottom and a pair of sides which are integrally molded with the bottom. The sides are elastically flexible so as to be foldable to horizontal positions overlying the bottom, and unfoldable to uprigh... | 10/27/1992 |
| 5136961 | Hydroplaning hydrofoil/airfoil structures and amphibious and aquatic craft A hydroplaning hydrofoil and airfoil planing or flying wing structure is disclosed based on the concept of forward-swept planes or planar surfaces having swept-back fore foil sections and forward-swept aft foil sections upon which the hydrofoil/airfoil st... | 08/11/1992 |
| 5134953 | Portable outrigger assembly A portable outrigger assembly for use to enhance the stability of a sailboat and the like. The outrigger assembly comprises an inflatable hull, a tube for supporting the inflatable hull in spaced-apart relationship to a sailboat, and hull attachment means... | 08/04/1992 |
| 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 on the crossbeam intermediate the hulls and being inclined... | 02/18/1992 |
| 5056447 | Rein-deer kite What has been created is a new form of an equipment/kite that carry weight in mid-air regardless of fuel and/or wind, which converts the wind energy into mechanical energy by acting as a sail in a multi-level formation, which is in the form of a large fla... | 10/15/1991 |
| 5054410 | Hydrofoil sailboat with control system A multi-hulled sailing vessel is provided with a pair of aileron foils that are mounted outboard from each of two sponsons that are rigidly joined to a central main hull. The aileron foils are rotatable about axes that are inclined toward each other when ... | 10/08/1991 |
| 5048442 | Spinnaker handling devices A spinnaker pole for controlling a spinnaker on a catamaran or other sailcraft has a cap on its fore end and a guy is reeved through a bore that extends axially through the cap and the fore end of said spinnaker pole to exit the pole through an opening in... | 09/17/1991 |
| 5042411 | Collapsible catamaran sailboat A collapsible catamaran sailboat has a trampoline and a frame. The frame comprises two spaced cross tubes each having two ends. The frame further comprises two longitudinal, spaced hulls and a mechanism for releasably attaching one end of each cross tube ... | 08/27/1991 |
| 5038694 | Small sailing ship A small sailing watercraft designed to be operated primarily by a single rider standing on the deck and having an improved hull configuration for improved handling in all seas and all wind conditions. The hull is hollow and is formed with a generally narr... | 08/13/1991 |
| 5027735 | Kasipagan sail boat What has been created is the fastest sail boat that can act as a tugboat or industrially used to pull a water turbine for the production of electricity or compressed air, as compared to the capabilities of the prior arts of equal size and form. This is at... | 07/02/1991 |
| 5024177 | Wind sailing surf vessel with dual planar surfaces A stable and versatile wind sailing vessel for sailing over a water surface comprising first and second elongated and buoyant boards, each having a planar undersurface. An arching platform disengagably engages the boards in a spaced, side-by-side relation... | 06/18/1991 |
| 4998498 | Knockdown sailboat A knockdown sailboat adapted to be stowed in a carrying case which includes inflatable hulls, a frame made up of longitudinal sectional tubular members connected securely to spaced-apart lateral tubular frame members, and a telescopic sectional mast stepp... | 03/12/1991 |
| 4930433 | Arrangement for jointing two surfboards as a whole The present invention relates to an arrangement for jointing two surfboards as a whole formed by a rectangular frame (4) consisting of two small cross-girders and two small longitudinal girders (5) and (6) having the following component parts: (a) two set... | 06/05/1990 |
| 4915047 | Knock down catamaran with inflatable pontoons A catamaran boat, especially intended for knock-down disassembly and rapid assembly having a generally rectangular frame. The frame has longitudinal members which are releasably connected to transverse members. At least one of the transverse members is ar... | 04/10/1990 |