ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,873, issued on Sept. 23, was assigned to GENERAL ELECTRIC COMPANY (Evendale, Ohio).

"Propulsion and electrical system for an aircraft including a fuel cell and turbine engine with a steam system" was invented by James Laverty (Center Valley, Pa.), Arthur W. Sibbach (Boxford, Mass.) and Daniel A. Niergarth (Norwood, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A propulsion and electrical system for an aircraft including a turbine engine and a fuel cell. The turbine engine includes a turbo-engine, a fan having a fan shaft coupled to the turbo-engine, and a steam system. The steam system is fluidly coupled to a water source to receive water. Th...