ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,885, issued on April 7, was assigned to Hamilton Sundstrand Corp. (Charlotte, N.C.).

"Nonuniform wall thickness profile for teardrop pressure vessels" was invented by Travis Huntington Marshall (West Hartford, Conn.) and Evan J. Butcher (Suffield, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure vessel includes a body defined by a cross-sectional shape along a plane transverse to a centerline. The cross-sectional shape includes an inner surface defining an interior void and a wall extending from the inner surface to an outer surface defining an exterior of the body. The inner surface includes an arcuate region and a gabled region. The...