ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,283, issued on April 14, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Turbine exhaust case mixer" was invented by Rabih Kassab (Montreal).

According to the abstract* released by the U.S. Patent & Trademark Office: "A turbine exhaust case (TEC) mixer for an aircraft engine is disclosed. The aircraft engine has an inner shroud, a nacelle, a fan assembly, a compressor assembly and a turbine assembly. The TEC mixer includes struts extending from the mixer and is adapted to connect to the inner shroud at a shroud-strut interface. A plurality of the struts are narrower in a middle portion thereof than at the shroud-strut interface."

The patent was filed on April...