ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,648, issued on Oct. 7, was assigned to RONDO ENERGY INC. (Alameda, Calif.).

"Thermal energy storage system coupled with thermal power cycle systems" was invented by John Setel O'Donnell (Oakland, Calif.) and Yusef Desjardins Ferhani (Menlo Park, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000deg C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. The delivered ...