ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,544, issued on March 31, was assigned to GENERAL ELECTRIC COMPANY (Evendale, Ohio).
"Composite airfoil" was invented by Nicholas Joseph Kray (Mason, Ohio) and Arthur William Sibbach (Boxford, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composite airfoil comprising an airfoil portion and a composite ply. The airfoil portion has an outer wall extending between a root and a tip, and between a leading edge and a trailing edge. The composite ply has a first set of fibers and a second set of fibers. Each fiber of the first set of fibers along a first centerline axis. Each fiber of the second set of fibers extends along a second centerline axis...