ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,881, issued on April 22, was assigned to BAE Systems Controls Inc. (Endicott, N.Y.).

"Aircraft propulsion utilizing a safety critical energy management system" was invented by Matthew S. Boecke (Endicott, N.Y.) and Arthur P. Lyons (Maine, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An energy management system (EMS) for an aircraft is provided. The aircraft may have one of a plurality of propulsion systems such as a parallel hybrid electric propulsion system, a parallel turbo electric propulsion system, an electric propulsion system, a turbo electric propulsion system and a turbo hybrid electric propulsion system. The EMS comprises redundant c...