ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,957, issued on July 15, was assigned to First Ammonia Motors Inc. (Concord, N.C.).

"System and method for a three-dimensionally printed lattice structure for heating gas in a non-linear path" was invented by James L. Wall II (Concord, N.C.) and David Gwynn Kapp Jr. (Concord, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates, in general, to a system and method for focusing gas distribution through at least one three-dimensionally (3D) printed lattice heating elements within an electric catalyst unit to promote ammonia dissociation. The present invention allows gaseous ammonia to be continuously heated under turbulence ...