ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,075, issued on Aug. 11, was assigned to RTX Corp. (Farmington, Conn.).

"Ceramic matrix composite blade outer air seal segment using pre-densified tubes and method thereof" was invented by Jonas Banhos (West Hartford, Conn.), James T Roach (Vernon, Conn.), Russell Kim (Temecula, Calif.), Raymond Surace (Newington, Conn.) and Howard J Liles (Newington, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ceramic matrix composite (CMC) blade outer air seal (BOAS) segment includes a preform having a base layup formed of one or more fabric plies folded to form a first rib portion, a shoe portion having an upstream fold edge and a downstream fold edge, ...