ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,862, issued on April 22, was assigned to BLUENAV (Arcachon, France).
"Propulsion system intended to be integrated into a boat" was invented by Herve Frouin (Arcachon, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a propulsion system (30) intended to be integrated into a boat (1) and comprising a vertical guide device (31) comprising a member for fixing the vertical guide device (31) to the hull of said boat (1); an electric thruster (32) comprising a gyration box (33), said gyration box (33) being vertically movably mounted on the vertical guide device (31) to be able to adopt an emerged position and a submerged posit...