ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,926, issued on March 17, was assigned to General Electric Co. (Evendale, Ohio).

"Gas turbine engine" was invented by Brandon W. Miller (Evendale, Ohio), Randy M. Vondrell (Evendale, Ohio), David M. Ostdiek (Evendale, Ohio), Craig W. Higgins (Evendale, Ohio), Alexander Simpson (Evendale, Ohio) and Arthur W. Sibbach (Boxford, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine includes a turbomachine defining an engine inlet to an inlet duct, a fan duct inlet to a fan duct, and a core inlet to a core duct; a primary fan driven by the turbomachine; a nacelle surrounding the primary fan; and a secondary fan located downstream of t...