ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,448, issued on April 14.
"Enhanced performance parallel loop blade propellers" was invented by Charles S Powers (Shreveport, La.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Enhanced performance parallel loop blade propellers may include a propeller hub having a fore hub end and an aft hub end. A plurality of looped blade pairs may extend from the propeller hub in spaced-apart relationship to each other. Each of the looped blade pairs may include a fore blade which extends from the propeller hub proximate the fore hub end. An aft blade may extend from the propeller hub proximate the aft hub end. The aft blade may be disposed generally within a co...