ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,549, issued on Nov. 25, was assigned to FARWIND ENERGY (Nantes, France).
"Structure for a Flettner-type rotary rigging" was invented by Brice Bognet (Suce sur Erdre, France) and Antoine Caillaud (Nantes, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention pertains to a Flettner-type type rotary rigging (100) comprising a tower (131, 132) comprised inside a cylindrical outer skin (121) centered on a vertical axis (110) of rotation and comprising a connection with the cylindrical outer skin (121) and comprising a tower structure consisting of an assembly of structural members comprising wood fibers."
The patent was filed on Oct. 12, 2...