ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,947, issued on June 23, was assigned to HAMILTON SUNDSTRAND Corp. (Charlotte, N.C.).

"Flexible interface coupling" was invented by Darryl Colson (West Suffield, Conn.), Frederick Peacos III (North Scituate, R.I.), Kara Ann Grant (Southampton, Mass.) and Donald E. Army (Enfield, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air cycle system for a gas turbine engine includes a heat exchanger having an air cycle inlet. An air cycle machine includes an air cycle machine outlet and an annular flexible interface coupling connecting the air cycle inlet to the outlet. The flexible interface coupling includes a receiving portion having a flared reg...