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| Number | Title | Issue Date |
| 7752987 | Collapsible perimeter supported wind propulsion device A sail assembly having a single, closed-loop support batten that supports a flexible sail. The sail is a hollow body defining a substantially hemispherical shape when fully expanded by captured wind. The support batten is housed in a perimeter sleeve at the front en... | 07/13/2010 |
| 7350474 | Sailing device A sailing device suitable for a pleasure boat or the like of narrow width which is small in restoring force against traverse tilt. The sailing device is characterized by comprising a sail portion A composed of a backbone, a pair of left and right spars 3a,... | 04/01/2008 |
| 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 |
| 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 |
| 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 |
| 6807919 | Mastless kayak sail A mastless sail for use in a two-seat kayak is disclosed. The apparatus is designed with a boomstick feature for supporting and controlling the bottom of the sail. The existing kayak paddles support and control the top of the sail. The apparatus is also designed for... | 10/26/2004 |
| 6748890 | Device and method for carrying and tethering a power kite A carrying strap for transporting the leading edge inflatable traction kite from a vehicle to the edge of the water as well as to and from the location to which the leading inflatable traction kite will be used is disclosed. A hands-free device and method for tether... | 06/15/2004 |
| 6502789 | Flexible kite A spoon shaped simple skin kite for kite sailing having a long flexible fiberglass rod on the leading edge as the only structure, many bridles that are all connected directly to that rod, no lines a 30 inches long straight handle to steer it that turns ar... | 01/07/2003 |
| 6250241 | Supporting frame for a sailing rig What is disclosed is a supporting frame for a hand-supported sailing rig in which a mast with a middle section curved in a preferably circular arc-shaped manner and merging into two end portions is formed, the radii of curvature of said end portions being... | 06/26/2001 |
| 6065416 | Wind propelled watercraft A wind propelled watercraft system is provided including a floating disk for supporting a user on a body of water. Also included is a sail assembly for driving the user on the floating disk by way of wind. The floating disk has an inwardly-facing groove f... | 05/23/2000 |
| 5873588 | Assembled sail powered vehicle An assembled sail powered vehicle, including: a sail; a frame for supporting the sail, the frame including a plurality of elongated rigid frame members, a plurality of joint assemblies releasably captured between the ends of respective of the frame member... | 02/23/1999 |
| 5826530 | Wing sail A handheld wing sail comprises a sailcloth supported on frame members. The frame members comprise two mast tubes positioned in a V shape defining a nose angle and opposite respective tips. A boom is located between the mast tubes, the boom being curved at... | 10/27/1998 |
| 5476058 | Portable sail A hand held portable sail including a forward spar and a rear spar, said spars being attached near one end of each spar by a lower handle; and a sail material extending between the spars and connected to each of said spars.... | 12/19/1995 |
| 5372081 | Hand-held sail device A hand-held sail device is disclosed and includes a sail sized and shaped to define an airfoil configuration. The sail includes an upper edge, a lower edge and a leech edge. A frame supports the sail and includes a mast having front and rear end portions ... | 12/13/1994 |
| 5366182 | Kiteski A wind powered system utilizes a free-flying airfoil tethered to a conveyance device such as a water ski, a skegged hull slab or a wheeled land vehicle which either defines or inherently has tracking means defining a preferred traverse vector across an un... | 11/22/1994 |
| 4651665 | Hand sail A novel freely grasped hand-sail is described, which consists essentially of two profiled airfoil surfaces inclined towards each other at an angle between about 180° and 120°, the leading edges of this hand-sail also forming an angle between about 180°... | 03/24/1987 |
| 4269133 | Hand-held sail In a skate sail assembly of the type having a T-configured frame including a boom and a resiliently flexible mast detachably mounted thereon, and a generally sector-shaped sail supported in a taut condition by the frame, the boom has a U-shaped resilient ... | 05/26/1981 |
| 4186680 | Sail assembly A skate sail is rigged with leading edge spars set by manipulation of a cruciform frame. The sail and frame assembly is suitable for mounting on a boat or vehicle as well as for being hand held, and is collapsible for compact stowing. When provided with a... | 02/05/1980 |
| 4136631 | Portable sail structures The invention relates to folding sail assembly for utilization as propulsion for small water craft, and persons on ice or roller skates. The invention comprises a kite frame including a main mast, a pair of transversally extending boom sections releasably... | 01/30/1979 |
