ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,966, issued on May 27, was assigned to RTX Corp. (Farmington, Conn.).

"Gas turbine engine with hybrid fan exit guide vanes" was invented by Daniel Kupratis (Wallingford, Conn.), Dmitriy Sidelkovskiy (Ellington, Conn.), Flavien Thomas (Suamico, Wis.) and Michael Winter (New Haven, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine with hybrid fan exit guide vanes including a fan duct supporting a circumferential pattern of split variable fan exit guide vanes, the split variable fan exit guide vanes comprising an upper section and a lower section, the upper section and the lower section each being adjustable about an axis extend...