ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,569, issued on March 24, was assigned to ABB Schweiz AG (Baden, Switzerland).

"Method of controlling propulsion system of marine vehicle and propulsion system" was invented by Mika Nuutinen (Helsinki), Wei Ji (Stockholm), Bin Liu (Vasteras, Finland), Veli-Pekka Peljo (Helsinki), Winston Garcia-Gabin (Solna, Sweden) and Kateryna Mishchenko (Vasteras, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of controlling a propulsion system of a marine vehicle by a controller, which forms data on a pitch angle (Gamma(Theta)) of at least one foil based on an angularly variable wake field (W(Theta)) affecting the at least one foil and an angle (...