ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,344, issued on Jan. 13, was assigned to General Electric Co. (Evendale, Ohio).

"Rotating airfoil assembly" was invented by Suryarghya Chakrabarti (Mason, Ohio), Drew M. Capps (Avon, Ind.), Nicholas M. Daggett (Camden, Maine) and Gary W. Bryant (Loveland, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotating airfoil including a body and a vibration absorber located within the body. The body has a root end and a tip. The rotating airfoil has a natural frequency, and the vibration absorber has a natural frequency. The natural frequency of the vibration absorber is different than the natural frequency of the rotating airfoil."

The patent was f...