ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,946, issued on March 25.
"Solar energy directed to a cylinder containing a propeller used to generate electricity" was invented by Warren Arthur Burtis (San Geronimo, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An elevated or ground level vertical cylinder houses one or more propellers and/or turbines that are rotated by heated air convection within or around or above the cylinder. The rotating shafts of the propellers generate electricity in an area at bottom of or below the cylinder. For added, improved air flow directions and volumes; and, for stabilization of the rotating shaft or shafts, a circular pyramid collar structure is dispose...