ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,103, issued on Feb. 24, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Rear-cone exhaust duct for additive manufacturing" was invented by Jocelyn Bisson (Saint-Basile-le-Grand, Canada) and Guy Lefebvre (St-Bruno, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A turbine exhaust case is disclosed herein. The turbine exhaust case including an outer shroud having a cylindrical shape and extending in a first direction parallel to a center of axis and extending circumferentially around the center axis, an inner shroud having frustoconical shape, the inner shroud disposed within the outer shroud, the inner shroud extending circum...