ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,151, issued on July 21.
"Wind turbine" was invented by Paul J Chatelain (Kerrville, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present invention may comprise a wind turbine including a plurality of sails configured in a circular pattern about a vertical hub. A center axis of rotation extends vertically through the hub and the sails face perpendicularly to the hub. Each of the sails is preferably held within a sail frame. Each sail frame is hingedly connected to an outrigger connected portion to pivot about a sail axis. Wind contacting a face of one of the sails causes the sail and sail frame to rotate relative to its out...