ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,128, issued on April 29, was assigned to ANHUI METAENERGY TECHNOLOGIES CO.LTD. (Anhui, China).

"Siphon evaporation device having heat exchange structure, and operation method and application thereof" was invented by Desheng Wang (Hefei, China) and Linghui Zhu (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a siphon evaporation device having a heat exchange structure, and an operation method and application thereof. The siphon evaporation device includes an evaporator and a heat exchanger. The heat exchanger is located above the evaporator. A liquid refrigerant outlet at the lower end of the heat exchanger is connected to a l...