ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,893, issued on Oct. 28, was assigned to RTX Corp. (Farmington, Conn.).

"Airfoil anti-rotation ring and assembly" was invented by Raymond Surace (Newington, Conn.) and Robert A. White III (Meriden, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of assembly includes locating a plurality of vanes about an inner circumference of a ring, the ring has a plurality of axially-extending projections circumferentially-spaced around the ring, each of the vanes has a radially outer platform, a flange that projects radially outwardly from the radially outer platform, and a notch that extends axially through the flange such that the notch opens at f...