ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,966, issued on June 17.

"Electric lithium bromide absorption air conditioning unit and energy storage refrigeration and heating system" was invented by Miaohong Wang (Qinhuangdao, China) and Quanling Wang (Qinhuangdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric lithium bromide absorption air conditioning unit and an energy storage refrigeration and heating system, including an electric lithium bromide absorption air conditioning unit and an electric heat storage device; the electric lithium bromide absorption air refrigeration unit comprises an electric heat generator; the electric heat generator comprises an electric heating d...