ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,164, issued on July 22, was assigned to SAFRAN AERO BOOSTERS (Herstal, Belgium).

"Method for sizing stubs optimized for orbital welding of blades on a turbomachine rotor" was invented by Yann Jean-Pierre Lefaux (Herstal, Belgium) and Damien Verhelst (Herstal, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for sizing a section of a junction by orbital friction welding with an eccentric e, between a blade and a stub of a bladed disk for a turbomachine. The sized section has a rounded contour at one or two ends of said section along a chord of the blades, each corresponding to a leading edge or a trailing edge of said blades, said roun...