ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,909, issued on Sept. 23, was assigned to General Electric Co. (Evendale, Ohio).
"Airfoil assembly having a composite spar" was invented by Benjamin Thomas Van Oflen (Cincinnati), Gary Willard Bryant Jr. (Loveland, Ohio), Tod Winton Davis (Cincinnati), Li Zheng (Cohoes, N.Y.), Tomas Muchenik (Cincinnati), Daryl John Burford (Coleford, Great Britain) and Pawel Pres (Cheltenham, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An airfoil assembly for a turbine engine having a composite spar, a sleeve, and a set of lobes. The composite spar includes an exterior spar portion, where at least part of the exterior spar portion of the composite ...