ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,833, issued on Dec. 2, was assigned to Highview Enterprises Ltd. (London).

"High-grade heat-of-compression storage system, and methods of use" was invented by Fahmi Osman Awale (London), Colm John Cochrane (London), Cian Quinn (London) and Oliver James McArdle (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to cryogenic energy storage systems for storing using high-grade heat-of-compression. The system includes a liquefaction sub-system (100) and thermal energy storage device (300). The liquefaction sub-system (100) includes a first compressor (102), a first, second and third heat exchanger (104, 116, 112) and sec...