ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,617, issued on Nov. 4.
"Transverse-axis torque turbine" was invented by Daniel Edward Edmiston (Brookfield, Mo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A Savonius-type rotor assembly is improved by utilizing a plurality of blades, shaped and interconnected by a plurality of shaped surfaces, forming a rotor shell exposed to a flowing fluid that efficiently redirects the surface flow along each shaped surface directly against the flowing fluid at its blade tip as each blade tip is pointed directly into the flowing fluid. Each shaped skin surface has a concave section and a convex section. The concave section of each shaped surface forms the conc...