ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,680, issued on Oct. 27, was assigned to ROLLS-ROYCE plc (London).

"Combustion of fuel" was invented by Craig W Bemment (Derby, Great Britain), Benjamin J Keeler (Chesterfield, Great Britain), Kevin R McNally (Derby, Great Britain) and Andrea Minelli (Derby, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a gas turbine engine, the gas turbine engine including an engine core comprising a turbine, a compressor, a combustor arranged to combust a fuel, and a core shaft connecting the turbine to the compressor; a fan located upstream of the engine core; a fan shaft; a main gearbox that receives an input from the core sha...