ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,998, issued on July 14, was assigned to General Electric Co. (Evendale, Ohio).

"Method of forming composite components with cavities" was invented by Matthew Hockemeyer (Ballston Spa, N.Y.) and Scott Michael Oppenheimer (Niskayuna, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a composite component includes laying up a plurality of composite plies around a mandrel assembly to form a composite ply core. The mandrel assembly includes a mandrel having an inner structural body and an outer release layer. The mandrel is configured to form a cavity in the composite ply core. The method also includes processing the composite ply c...