ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,274, issued on June 3, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Compressor stator with leading edge fillet" 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 compressor has: a rotor and a stator having vanes, a vane of the vanes having an airfoil extending from a root proximate an inner hub to a radially outer tip, the airfoil having a leading edge, a trailing edge, and a chord extending between the leading edge and the trailing edge to define a chord length, the airfoil having a pressure side surface and a suction side surface, and a fill...