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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8100072 | Fabric sail The present invention relates to a fabric sail (1) which maintains a minimal surface. An elastic boundary is attached to the edges of an elastic membrane, and the edges (4) are shaped so that the membrane of the sail maintains a minimal surface configu... | 01/24/2012 |
| 7798083 | Positioning device for a free-flying kite-type wind-attacked element in a wind-powered watercraft Disclosed is a positioning device for a free-flying kite-type wind-attacked element that comprises a profiled wing, is used as the exclusive, an auxiliary, or an emergency drive unit, and is connected to a watercraft via a traction rope. The positioning device is pr... | 09/21/2010 |
| 7568442 | Three degree-of-freedom pivot assembly, sail-mounted ballast, and sail control system for high speed sailboats A sailboat is disclosed wherein the sailboat includes a three degree-of-freedom pivot assembly, sail-mounted ballast, and sail control system. These three features increase sailing efficiency and reduce both hydrodynamic and aerodynamic drag on the sailboat. This sa... | 08/04/2009 |
| 7546813 | Positioning device for a free-flying kite-type wind-attacked element in a wind-powered watercraft Disclosed is a positioning device for a free-flying kite-type wind-attacked element that comprises a profiled wing, is used as the exclusive, an auxiliary, or an emergency drive unit, and is connected to a watercraft via a traction rope. The positioning device is pr... | 06/16/2009 |
| 7497181 | Sailboat safety system for a person falling overboard A safety system, which stops the motion of a sail boat when a person falls off the boat, is comprised of a wireless transmitter carried by the person, a receiver-controller, an actuator, and a separable member which ordinarily holds a sail or a sail assembly in its ... | 03/03/2009 |
| 7448337 | Wind energy generating apparatus with dihedral sails A wind energy apparatus has a shaft, a plurality of masts extending radially outwardly of the shaft, a plurality of dihedral sails respectively affixed to the plurality of masts, and a plurality of lanyards respectively connected to an outward surface of the plurali... | 11/11/2008 |
| 7419561 | Cast composite sail and method A method of casting a sail comprising supplying a carrier film, supporting the carrier film along a support mechanism, forming a sail form with the support mechanism, pulling the carrier film across the support mechanism, forming a first coating, wiping the resin to... | 09/02/2008 |
| 7415935 | System for determining the air flow conditions around one or more sails The invention relates to a system adapted for sailors in order to determine the air flow conditions around one or more sails, in conjunction with which both sides of the sails are equipped with a number of ultrasonic sensors that are distributed over the surface and... | 08/26/2008 |
| 7406922 | Spoiler anchoring sail Disclosed is a spoiler anchoring sail that counters the swinging and jerking of a sailboat during anchoring or mooring, thereby providing a convenient, comfortable and secure environment to sailors. The anchoring sail comprises a first wing, a second wing attached t... | 08/05/2008 |
| 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 |
| 7321173 | Wind powered streetlight A streetlight for illuminating a portion of an adjacent roadway. The streetlight includes three vertical support members with a rotatable axle mounted intermediate thereto. Superposed on the vertical support members is a light assembly. A plurality of wind receptacl... | 01/22/2008 |
| 7287481 | Launch and retrieval arrangement for an aerodynamic profile element and an aerodynamic profile element The invention relates to an aerodynamic profile element for energy production using traction force, in particular for driving watercraft. The invention further relates to a launch and retrieval arrangement for a profile element, and a drive arrangement for a watercr... | 10/30/2007 |
| 7275719 | Wind drive apparatus for an aerial wind power generation system Wind driven apparatus for an aerial power generation system include driven elements and controls. The driven elements are configured and shaped to provide maximum force from both lift and drag during the downwind phase of operation and minimum force during the upwin... | 10/02/2007 |
| 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 |
| 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 |
| 7213529 | Emergency sail system An emergency sail system for disabled watercraft comprises a mast receptacle for interfacing with the watercraft structure and a multi-segmented main mast supported by the mast receptacle in a substantially vertical orientation and removable therefrom. A sail assemb... | 05/08/2007 |
| 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 |
| 7152543 | Boom vang for sailboats A vang assembly for manipulating a sailboat boom which is hingendly connected to the lower portion of a sailboat mast (12). The vang assembly includes a rigid and unextensive vang (strut) (20) connected both to the mast (12) and to the boom. The... | 12/26/2006 |
| 7104504 | Inflatable wing with active canopy profile control An aerodynamic wing formed by a flexible canopy with an internally routed canopy line for controlling the canopy profile. Preferably, the canopy line is routed through a gatherable tube secured to the trailing edge of the canopy. Tensioning the canopy line alters th... | 09/12/2006 |
| 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 |
| 6986318 | Sail assembly A sail assembly includes a sail, a mast, a coupler, and a fastener. The mast is attached to a first side of the sail. The coupler is attached to the mast and is used to couple the mast to a handle portion of a paddle. The fastener is attached to the sail at a locati... | 01/17/2006 |
| 6971430 | Cast composite sail and method An apparatus for casting sails comprising a roll stand configured to supply a carrier film. The apparatus contains a support mechanism for the carrier film, and further comprises of a drawing mechanism, a first resin dispenser, a first wiper portion, two yarn applic... | 12/06/2005 |
| 6957621 | Guide for assisting sails over stanchions A stanchion attached to a sail boat is provided where the stanchion supports a lifeline near the top of the stanchion and the lifeline runs generally along the outer edge of the deck of the sail boat and the connection of the lifeline to the stanchion can be charact... | 10/25/2005 |
| 6953000 | Universally compatible, semi-elliptical, vertically deployed sail system for wind—propelled vehicles A comprehensive System of hoisted, universally compatible, semi-elliptical mainsails and self-tacking headsails. Reducing weight on deck and aloft and fully cockpit-controlled, self-boomed System sails replace cumbersome conventional genoas and rigid booms with self... | 10/11/2005 |
| 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 |
| 6848381 | Tension rod constructions and method of making A pultruded composite tension rod of hexagonal cross section is provided, as are larger composite rods made up of assemblies of smaller, nested-together parallel hexagonal tension rods that are re-pultruded together. A manufacturing process involving assembling and ... | 02/01/2005 |
| 6817308 | Sailing rig with freestanding rotating aerofoil sectioned mast A sailing rig including a freestanding, rotating aerofoil sectioned mast. The mast is elliptically curved and rotates about an aft slanted axis and the aerofoil section of the mast is tapered from the mast base to the masthead ... | 11/16/2004 |
| 6662738 | Lifting-sail boat apparatus and method A lifting-sail rig and method comprising airfoils, or efficient aerodynamically shaped leading edge soft sails, supported by an improved non-interfering fixed mast rig positioned away from the lifting-sail for increased aerodynamic efficiency and ease of ... | 12/16/2003 |
| 6659031 | Bridle for power kite launching A flexible, propulsive wing of the 4-line type especially suitable for kiteboarding, has, at the rear portion of the wing tip a first pulley means attached thereto, the rear line being connected to the rear portion of the wing tip through the first pulley... | 12/09/2003 |
| 6431100 | Stowable semi-rigid wing sail system A stowable semi rigid airfoil assembly, functions automatically to airflow as a draft adjusting wing sail, or spinnaker sail (19), for use on a mast (17) with a halyard (41) on a wind powered craft. The halyard connected to the heads (83) of port and star... | 08/13/2002 |
| 6341571 | 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... | 01/29/2002 |
| 6112688 | Sail for a wind-powered vehicle A sail for a wind powered vehicle such as a surfboard, sailing boat or the like is provided wherein a sail is connected along its front edge to a mast and wherein the said at its clew or at its lower edge is connected to a boom. The boom is connected in a... | 09/05/2000 |
| 5996522 | Storm sail for sailboat with furled bow sail A storm sail for sailboats which replaces a larger bow sail. The storm sail has a smaller area than the replaced bow sail, has a luff forming a rectangular rigging band, which having a width compatible with the replaced bow sail ends in a free edge and ha... | 12/07/1999 |
| 5988089 | Silencer Two spaced halyard restraining devices that are fixed to spreaders attached to a sailboat's mast. The two spaced spreaders are horizontally disposed from and fixed to opposite sides of an interposed vertically disposed mast. The halyard restraining device... | 11/23/1999 |
| 5868092 | Wing sail and method of use A sail (20) for a sailing vessel (500) includes a leading spar (22), a coplanar trailing spar (24), and a movable spar (28) disposed between the two. A sheath (30) of sail cloth traversely surrounds the three spars forming a flexible double-sided wing-lik... | 02/09/1999 |
| 5738031 | Halyard retainer The invention provides a halyard retaining device for securing a plurality of halyards to a mast track in a rearward side of an elongate mast, the device comprising: a collar having a plurality of shoulders; a clamp, on the collar, for releasably slidably... | 04/14/1998 |
| 5642683 | Parachute-type sail for boats A parachute-type sail is connected with a tethering line to a water going vessel to provide motive power for the vessel. At least one swivel is disposed on the tether line between the vessel and the sail that allows the sail to roll when the vessel moves ... | 07/01/1997 |
