ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,096, issued on June 10, was assigned to RTX Corp. (Farmington, Conn.).

"Core turning system" was invented by Bradley C. Schafer (Ellington, Conn.), Brian V. Winebrenner (Vernon, Conn.), Jason B. Solomonides (Cromwell, Conn.), Marc J. Muldoon (Marlborough, Conn.) and John P. Virtue Jr. (Middletown, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bowed rotor prevention system includes a gas turbine engine, and electric motor, and a core turning controller. The gas turbine engine includes a rotor that is rotatably coupled to a drive shaft. The electric motor is rotatably coupled to a motor shaft, which is mechanically coupled to the drive shaft ...