ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,835, issued on Nov. 18, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Vane array structure with recessed stator vanes" was invented by Hien Duong (Mississauga, Canada) and Vijay Kandasamy (Tamil Nadu, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vane array structure for a gas turbine engine includes a first platform, a second platform, a plurality of vanes and a flowpath. Each of the vanes extends across the flowpath between the first platform and the second platform. The vanes include a first vane and a second vane disposed longitudinally next to the first vane along the flowpath. The first vane includes a first airfo...