ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,877, issued on March 17, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Rotor assembly, associated method of assembly, and computer program product therefor" was invented by Patrice Remy (St-Hubert, Canada), Pierre Gaudet (Montreal) and Jiemin Wang (Mississauga, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer program product contains computer-readable instructions, which, when operated on by a computer, performs the following method. A combination is determined of relative circumferential positions of the individual rotor components associated to a bow shape configuration of the centers of mass along the axially...