Quotables
"There is no reason anyone would want a computer in their home."
Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5784978 | Wind energy catchment device This invention is a wind energy catchment system using a central vertical shaft, the bottom end of which rotates and is secured to a rigid support fixed to the ground. The lower part of the shaft has radial arms secured to it, evenly spaced one from the o... | 07/28/1998 |
| 5431121 | Sailboat keel hoist assembly A keel hoist assembly for use in raising and lowering the keel of a retractable keel sailboat and including a winch unit and a generally tubular retractable support tube. The winch unit is removably mountable to a top end of the retractable support member... | 07/11/1995 |
| 5280762 | Device for the articulation of the sail in horizontal and in vertical direction, associated with a hoist block, a drop block and a rod system A hoist block is fixed on an inside edge of the sail and to articulated slide in order to enable a rotation in the axis of a sail boat mast groove. A drop block is on the outside edge of the sail. An associated tube or slat extends between the hoist and d... | 01/25/1994 |
| 5271351 | Auto-sailing system A system for automatically causing a flexible sail to be brought to its optimum position with respect to the wind direction includes a sail holding member installed on the front of the hull and rope winders installed at rear portions of the hull, a flexib... | 12/21/1993 |
| 4886007 | Servomechanism for sailboats Apparatus that maintains a sailboat sail in a position where maximum power is derived from the wind. The apparatus includes a wind vane that responds to directional changes in the wind and sends an electrical signal to a motor that adjusts sail-positionin... | 12/12/1989 |
| 4852507 | Sail-wing and controls for a sail craft An amphibious sail craft with a sail-wing system is disclosed, including a rotatably mounted mast, a rotatable boom pivotally mounted to the mast, and a sail-wing mounted to the boom and rotatable with the boom about horizontal and vertical axes for varyi... | 08/01/1989 |
| 4671201 | Method and apparatus of automatically controlling sailboat The present invention provides a method of automatically controlling a sailboat having at least two soft sails, including the steps of sensing the wind direction to determine an angle of sail in each of the sails, sensing tensions and/or vibrations in eac... | 06/09/1987 |
| 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 |
| 4350108 | Automatic traveller tender For a sailboat, a constant force spring reel is used to balance the force in a control line used to establish the angle of the sail with respect to the boat. The spring exerts an essentially constant force on the control line whereby the sail is allowed t... | 09/21/1982 |
| 4068607 | Controllable wing sail A sail and rigging arranged to be easily installed on and removed from a hull in which the sail is a wing-like element having a high aspect ratio, and the rigging includes a supporting structure for holding the sail in the position that will provide the m... | 01/17/1978 |
| 4054100 | Sport sailboat A wind-propelled sailboat having a main hull and an outboard pontoon, a mast mounted upon the hull and a triangularly-shaped sail removably connected and secured at its peak to the top of the mast, the sail being controlled for propulsion of the boat by m... | 10/18/1977 |
