Matches 1 - 48 out of 48
Match Document Document Title
6257620 High efficiency ski for sailing on snow or ice  
A ski is disclosed for efficiently sailing on snow or ice. The ski has greater thickness than a conventional downhill ski. The substantially triangular shape of the cross-section of the ski is...
5769021 Amphibious craft  
An amphibious craft having a plurality of independent surface engaging elements each one of which provides a load bearing function when in contact with a support surface.
5575490 Ice fishing sled and caddy  
A sled apparatus for transportation and storage of equipment has a lower housing. There is an equipment chamber in the lower housing. A first runner and a second runner are connected to the lower...
5562061 Ice and water vehicle  
A vehicle designed as a dual function ice and water craft having an improved aerodynamic floatable hull supportable on a tripod of ice skate-like blades which also function as stabilizers when the...
5553562 Double mast iceboat  
An iceboat includes a hull and a perpendicular extending plank attached to the rear end of the hull. Side struts extend from outer ends of the plank to the forward portion of the hull. A mast is...
5454339 Apparatus for bi-lateral sail sheeting  
A method and apparatus for sheeting a sail of a sailing vessel having the sail rotatably attached to a mast mounted on a vessel body. The apparatus includes a main sheet line wherein opposite ends...
5285742 Sail powered vehicle  
A wind powered vehicle including an operator platform having tilting and stationary sections coupled together via a plurality of hanger bearings and a longitudinal pivot axle. The platform section...
5277141 Ice and snow surf-board  
A sailboard for sailing on snow or ice with a conventional articulated hand held sail mounted on the sailboard. Two runners underneath the sailboard are located to provide balanced gliding and to...
5112257 Multi-use vehicle  
A multi-purpose vehicle, for use on water and on ice, and having a hull with a generally flat floor, and flotation chambers around the floor, a low friction panel of protective material attachable...
4968046 Lightweight amphibious water-onto-ice rescue sled  
Foam is sandwiched between baffles and two sheets of low friction enameled aluminum. The aluminum is bent to form waterproof seams between the sheets along the top edge and small runners along the...
4829925 Multiple mode sail driven vehicle  
A sailboat, adaptable to use in water, on land and on ice or snow, having a longitudinal beam support extending outwardly in front of the bow and engageable with the bow of the hull structure. The...
4821663 Boat hull  
An amphibious boat hull is disclosed having at least three co-extensive, longitudinally disposed hull sections in which at least two sections, in a projected condition, have sufficient buoyancy to...
4730569 Ice fishing transport  
An ice fishing transport for transporting ice fishing equipment and supplies to and from an ice fishing site, in which the ice fishing equipment and supplies are stored within one or more...
4669408 Amphibious jet powered craft  
A highly maneuverable amphibious craft useful for transportation over rotten ice, slush, snow, swamps, mud, short spans of lowland, rough seas, ships wakes, growlers and the like.
4641594 Canoe conversion kit  
A kit for use alone as an iceboat or for easy mounting on a canoe to convert the canoe to a sailboat, includes a light-weight, rectangular frame with a front crossbar for receiving a mast, a rear...
4617871 Steerable wind-powered vehicle  
The present invention concerns a steerable wind-powered vehicle, which comprises a base supported on at least two wheels, skis, skates or hydrofoils, at least one of the wheels, skis, skates or...
4601488 Sailing ski for use on snow and ice  
A sailing ski for use on snow and ice comprising an elongated body having substantially flat upper and lower surfaces, the lower surface having an upwardly extending camber, a universal mast mount...
4534305 Sail ski device  
A sail ski device in which the skis (4) have a longitudinal section incurved from the center to the ends, the ends having each a nose (5). The central portion of each ski (4) is provided with a...
4530300 Sled with a board-sailing rig  
A windsurfing mechanism that comprises a plurality of gliding parts to permit travel at the surface of a medium and adapted to prevent the windsurfing mechanism from sinking into the body of the...
4498683 Steerable carriage for a sailboat  
A steerable carriage for supporting a sailboat such that the sailboat can be operated on land, snow or ice and thereby permitting sailboat owners to use their sailboats throughout the year...
4489957 Tool for sailing with skates etc.  
A tool for sailing with skates, skis, roller-skates, skate-board or corresponding gears. The invention consists of a carrier bar (1), fastening points (24,25) movable in the longitudinal direction...
4408772 Sailing vehicle  
Disclosed herein is a sailing vehicle with a collapsible frame comprising two longitudinal supports, a plurality of identically constructed transverse struts detachably connected to the...
4294184 Multi-hull steering system  
A multi-hull craft steering system having a plurality of hulls made from flexible envelopes inflated to maintain buoyancy. One of the hulls is located between the remaining hulls and is pivotally...
4179764 Lifesaving device  
A lifesaving device having a pair of inflatable floatation bags which may be inflated by means of compressed gas and attached to a folding platform to form a device suitable for use over water or...
4094262 Icecraft  
An icecraft has a base provided with a plurality of ice-engaging runners. A sail-surfing rig including an articulated mast carrying a triangular sail held in place by means of a bow-type boom is...
4061100 Conversion kit for a sailboat  
There is disclosed a kit for converting a sailboat to a vehicle that is capable of traversing a hard surface such as ice, or the like. The kit includes an elongated spar assembly that is adapted to...
4049287 Sail vehicles  
A wind-propelled sail vehicle comprises a perimeter frame, a mast and a chassis with three support members such as wheels, pads or skis. Two support members of fixed orientation are situated...
3991694 Wind-propelled apparatus  
Wind-Propelled craft including a transport carrying a sail and including a support vehicle pulled by the transport. The support vehicle is pivotally secured to the transport. The transport and sail...
3986722 Sailing bicycle  
A frame equipped with a fork on the front thereof carries either wheels or runners to engage the surface, and has a transversely extending seat mounted thereon that projects from both sides of the...
3870004 SAILING VESSEL  
A sailing vessel having no centerboard, no rudder and no fixed mast. The vessel has a loosely stepped mast or kingpost, an outwardly extending arm, and a stabilizer hull pivoted to the outer end of...
3831539 WIND-PROPELLED APPARATUS  
A wind-propelled apparatus for surface travel is provided having a frame with a triangular sail secured at its three corners to a frame supported by spaced, surface-engaging transit members,...
3804428 SAILING VEHICLE  
A land or ice sailing vehicle that has a fixed wing, running gear means and a steering system that enables the pilot to steer the runner means so as to adjust the yaw angle of the craft to obtain...
3711879 RESCUE SLED  
A lightweight, portable rescue sled for use on ice and in water for rescuing persons or animals who have fallen through the ice of a body of water such as a pond, river, or lake. The rescue sled...
3572740 COLLAPSIBLE SAIL-PROPELLED VEHICLE  
An iceboat or a wheeled land yacht for use on a hard surface and propelled by a sail. A metal-tube frame of the vehicle is assembled using pivoted connections and easily releasable fasteners,...
3532066 ICE RESCUE BOAT  
3500784 SURFACE CRAFT  
3489423 SLED TRAINER  
3395664 Tetrahedron sailing vehicle  
3349741 Sail propulsion apparatus  
3180442 Floating drive for boat sleds  
3139057 Iceboat conversion kit  
3109665 Ice boat  
3051503 Ice conversion unit for boat trailers  
3026121 Midget ice boat  
2914013 Air deflecting vanes for steering air propelled vehicles  
2861533 Rudder  
2855885 Amphibious vehicle  
0328415 Title is not available  
Matches 1 - 48 out of 48