ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,097, issued on June 10, was assigned to Conic Propulsion LLC (Newport Beach, Calif.).
"Propeller" was invented by Thomas A. Russell (Newport Beach, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A propeller. The blades of the propeller are characterized by a blade center axis which corresponds to a generator line of a cone to which the blade, or blade thrust surface, conforms. The propeller hub is fixed to the blade at the root, in line with the blade center axis, such that the hub axis and blade center axis lie in the same plane, and the leading edge of the blade is positioned forward (referring to the upstream direction of movement caused b...