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| Number | Title | Issue Date |
| 8156879 | Sailing craft comprising a tilting rigid sail system A sailing craft propelled by a tilting sail system comprising an aerofoil sail capable of omni-directional attitude for wind propulsion. The sail is fixed to the craft in such a manner as to permit omni-directional attitude. Sail control means allows the sail placem... | 04/17/2012 |
| 8117977 | Aerodynamic wind propulsion device and method for controlling The invention relates to an aerodynamic wind propulsion device, particularly for watercrafts, comprising an aerodynamic wing being connected to a steering unit by a tractive cable, having a first end of the tractive cable connected to the steering unit and a second ... | 02/21/2012 |
| 8104415 | Sailboat substantially free of heeling moments A sailboat includes a sail assembly with opposing upper and lower ends, a leading edge and a trailing edge. The sail assembly is normally offset from the hull and oriented for generation of a propelling force substantially free of heeling moments. A support structur... | 01/31/2012 |
| 7341014 | System for lifting and lowering a sailboat mast A system for one person raising and lowering the mast of a sailboat wherein the mast is less than about forty feet in length and in the down position the mast is laid horizontally along a median line of the hull of a sailboat. The system includes rigging to raise th... | 03/11/2008 |
| 7278366 | Method and apparatus for increasing sail efficiency A method and apparatus for increasing sail efficiency is disclosed. The apparatus comprises a second sail, disposed in a second plane substantially perpendicular to the first plane, wherein the second sail is disposed proximate a periphery of the first sail. ... | 10/09/2007 |
| 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 |
| 7263939 | Simplified elevated sailing apparatus An elevated sailing apparatus that extracts traction power from the wind. It operates without the heeling moment (typical of conventional sailboats), which constrains the design and limits the power that can be used. A wing or sail is attached beneath a streamlined ... | 09/04/2007 |
| 7243607 | Wind driven sailing craft A wind driven sailing craft is disclosed with a hydrofoil element which provides variable lift to the stern of the craft to maintain a level trim when the craft is operated under power propulsion. The hydrofoil element includes a hydrofoil wing which rotates on a tr... | 07/17/2007 |
| 7234406 | Fast sail This invention belongs to the field of wind propelled vehicles. The goal of the invention is to provide large sails creating no overturning force. This is achieved by placing the top part of the sail above the vehicle and the bottom part of the sail aside from the v... | 06/26/2007 |
| 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 determination delay due to noise superposition. The apparatus includes a turno... | 02/13/2007 |
| 7090236 | Mounting system, sail, steering mechanism and frame for a landsailer A mounting system for a boom (14) of a landsailer (1) includes a resilient flexible member (12), at one end engageable with a rearward portion of the landsailer frame (2) and at the other end with the main sheet (13). A steering me... | 08/15/2006 |
| 6925949 | Elevated sailing apparatus An elevated sailing apparatus that includes one or more wings, tethered to a conveyance, and suspended from beneath a streamlined, lighter-than-air blimp. The wings generate both propulsive and lifting forces from the wind. The propulsive force is used to propel a c... | 08/09/2005 |
| 6918346 | Marine craft towed by a kite-type canopy A marine craft includes a floating body, elements adapted to generate a center-board effect, in particular a center-board projecting beneath the floating body, and a rigging. The rigging includes at least a directional kite forming a canopy and a series of sheets co... | 07/19/2005 |
| 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 |
| 6575107 | Rotary gear for sailing boats An improved rotary gear for sailing boats is provided wherein the connection of the boom to the rest of the rig is such that on the horizontal plane the boom must rotate simultaneously with the rest of the rig, but that it can move up and down in the vert... | 06/10/2003 |
| 5988086 | Sailboat and methods The invention provides various improved sailboats and methods for their use. In one exemplary embodiment, a sailboat comprises a hull and a deck that is operably attached to the hull. The deck has a longitudinal axis extending along its center. A mast is ... | 11/23/1999 |
| 5601044 | Sailboat A sailboat having an improved mast and boom arrangement wherein the mast is pivotally supported relative to the hull about an axis that is disposed rearwardly from the mast and close to but in front of the normal center of pressure on the sail carried the... | 02/11/1997 |
| 5415121 | Air flow indicator for sailboat sails An air flow indicator for a sailboat sail has a lever passing through a small hole in the surface of the sail. Flexible tails are affixed to opposite ends of the lever on opposite sides of the sail. The lever is so configured as to remain centered with re... | 05/16/1995 |
| 5355817 | Sail boat A wind-powered boat has a pair of spaced apart, fixed hull sections and a castering front hull between the side hull sections. A turret section is supported for rotation on the boat and has a foot-powered winch on which a load line and a pair of control l... | 10/18/1994 |
| 5289792 | Spinnaker sail for kayaks, canoes or other small watercraft An improved spinnaker sail for use with kayaks, canoes, or other small watercraft is disclosed. The spinnaker is designed with a free backstay feature that eliminates moment forces on the mast. A telescoping mast is also disclosed to allow one-person set ... | 03/01/1994 |
| 5272996 | Surfboard sail A surfing sail includes a basic sail, whose luff is attached to a mast associated in the usual way with a boom to the aft end of which is attached the clew of the basic sail and an auxiliary sail which serves reefing purposes. The auxiliary sail is triang... | 12/28/1993 |
| 5197401 | Rotating ring mast sailing vessel and a method of vessel operation A system for powering a water vessel having as its principal components rectangular sails secured to a rectangular frame which in turn is attached to an annular mast rotatably mounted on a plurality of supports rigidly affixed to the vessel. In a second s... | 03/30/1993 |
| 5144903 | Yacht and yacht model A yacht model or a full scale yacht includes a hull and a mast is provided on the hull to extend upward from the hull to support a main sail. A spinnaker is provided in front of the mast and the spinnaker is made of a plastic material and formed in a bulg... | 09/08/1992 |
| 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 |
| 5076186 | Sailboat provided with an anti-heeling and support device A sailboat having a vertical mast supporting vertical sails thereon that extend vertically lengthwise of the mast, and a keel and a rudder. At the upper end of the mast a wing is connected, the wing comprising an arm fixed at one end to the framework of t... | 12/31/1991 |
| 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 |
| 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 |
| 5003903 | Fluid foil system An improved fluid foil system which is particularly adapted yet not limited to use in sail craft. When used in e.g. a sailboat, the foil is rotationally supported with respect to a mast and laterally tiltable about a longitudinal axis in either direction ... | 04/02/1991 |
| 4958582 | Spinnaker sail for kayaks, canoes or other small water craft An improved spinnaker sail for use with kayaks, canoes, or other small watercraft is disclosed. The spinnaker is designed with a free backstay feature which eliminates moment forces on the mast. A telescoping mast is also disclosed to allow for one person... | 09/25/1990 |
| 4934296 | Hydrofoil sailboat and method of sailing therewith A tetrahedrally shaped pivotable sailing frame of four spars and a sail with balanced hydrofoils is disclosed. A hydrofoil sailboat is created by pivotally attaching the frame to a hull along a longitudinal axis of the hull. Tacking is accomplished by rot... | 06/19/1990 |
| 4913375 | Vehicle for use on land, air, or water A vehicle usable in the air, on water, or on ground is described. Outer wing portions are connected to a central portion by a mechanism which allows the outer wing portions to pivot about first axes for placing the outer wing portions in stored positions.... | 04/03/1990 |
| 4864949 | Fluid foil system An improved fluid foil system which is particularly adapted yet not limited to use in sail craft. When used in e.g. a sailboat, the foil is rotationally supported with respect to a mast and laterally tiltable about a longitudinal axis in either direction ... | 09/12/1989 |
| 4817549 | Combined whisker pole and boat hook A sailboat having a foresail is disclosed including a combination whisker pole and boat hook where the whisker pole portion includes a cleat for securing an idle foresail sheet to retain the pole in contact with the foresail clew releasably.... | 04/04/1989 |
| 4799443 | Swing sail boat A novel rigging for a sailboat is disclosed in which the mainsail is mounted between a luff boom and a foot boom, the luff boom being attached to the top of the mast by a fitting that allows rotation at least about a vertical axis parallel to the mast and... | 01/24/1989 |
| 4788924 | Sailing system A sail assembly for use with a hull, comprising a base and a mast mounted on the base for rotation about a vertical axis, the mast also extending at a mast tilt angle with respect to the vertical. A sail structure, which includes a sail frame and a sail f... | 12/06/1988 |
| 4759305 | Foil control feedback mechanism A device for controlling the angle of a foil or sail in relation to a force acting upon it. The device utilizes a 2:1 hypocycloidal gearing system which regulates the boom and sail of a boat. The device functions automatically, eliminating the need for hu... | 07/26/1988 |
| 4674427 | Propulsion system for sailing crafts and ships A propulsion system for crafts and ships, notably sailing ships, includes at least one flexible or rigid sail, to which are attached one or several foils, eventually provided with small floats, whereby the foils can be eventually articulated relative to t... | 06/23/1987 |
| 4610212 | Fast self righting catamaran This highly engineered recreational catamaran features a unique pivotable mast with a downward extending section that holds an underwater ballast. A hang glider type sail provides lift as well as thrust. Working in combination with the underwater ballast,... | 09/09/1986 |
| 4592298 | Propulsion system for sailing crafts and ships A propulsion system for crafts and ships, notably sailing ships, includes at least one flexible or rigid sail, to which are attached one or several foils, eventually provided with small floats, whereby the foils can be eventually articulated relative to t... | 06/03/1986 |
