Matches 1 - 21 out of 21


Match Document Document Title
9010260 Paddle or pole shaft sail device  
A shaft mount sail device that may have a sail made of a lightweight, flexible material that is capable of being tightly wound about the shaft of a paddle, push-pole or other shaft, a mechanism...
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...
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...
7040660 Half-shute  
The HALF-SHUTE is directed as an accessory to propel skateboards with the power of the wind. It can easily be carried around the waist of the user when not in use. It includes a one-dimensional...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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,...
3924870 Hand-held sail  
A small hand-held and hand-controllable sail may be used by an ice skater or the like for propulsion. The sail includes a spar arrangement for supporting the sail in a suitable aerodynamic...
3858542 DIRECTING SAIL  
This invention is directed to provide a novel sail arrangement comprising a main sail not secured to a central mast, and provided with means permitting the setting of this main sail in three...

Matches 1 - 21 out of 21