ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,000, issued on May 13, was assigned to Highview Enterprises Ltd. (London).

"Heat-of-compression recycle system, and sub-systems thereof" was invented by Nicola Castellucci (Woking, Great Britain) and Colm John Cochrane (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power recovery sub-system for a cryogenic energy storage system, the sub-system comprising: a first and a second thermal energy storage device (TESD); a first, a second and a fourth heat exchanger (HEX); a first, a second and a fourth expansion stage; a first arrangement of conduits, having an upstream end and a downstream end, and configured to pass a working fluid through the ...