ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,134, issued on July 29, was assigned to SEATRAIN TECHNOLOGY LLC (Boynton Beach, Fla.).

"Variable ballast propulsion shipping vessel, systems and methods" was invented by Randy Durst (Boynton Beach, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shipping vessel is disclosed. The shipping vessel includes a vessel segment and a control system to control the vessel segment. The shipping vessel includes at least one first variable ballast tank and at least one second variable ballast tank adjacently positioned to the at least one first variable ballast tank. The at least one control system configured to receive a subroute comprising a target peak,...