ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,903, issued on May 20, was assigned to VOLVO PENTA Corp. (Gothenburg, Sweden).

"Unmanned aircraft system, a control system of a marine vessel and a method for controlling a navigation system of a marine vessel" was invented by Denny Wilhelmsson (Jonsered, Sweden) and Cassandra Kobbel (Ockero, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "An unmanned aircraft system of an unmanned aircraft, a control system arranged on a marine vessel, as well as a method for controlling a navigation system of a marine vessel is described. This may enable improved operation of the marine vessel in docking situations at a mooring position."

The patent was fil...