ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,565, issued on March 24, was assigned to Boston Engineering Corp. (Waltham, Mass.).

"Thermal management for divers" was invented by David J. Shane (Woburn, Mass.), Robert Lee Cardenas (Framingham, Mass.), Steven James Simas (Amherst, N.H.) and Michael Rufo (Hanover, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A technique for delivering heating or cooling to a diver includes a suit that includes a water-impermeable outer layer, an insulating layer having a channel extending along a diver-facing surface thereof, and a tube disposed within the channel of the insulating layer. The tube is constructed and arranged for carrying heat-transfer flu...