ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,258, issued on Jan. 20, was assigned to INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE (Hsinchu, Taiwan).

"Hot box device and operating method thereof" was invented by Shing-Cheng Chang (Kaohsiung, Taiwan), Chia-Hsin Lee (Tainan, Taiwan), Cheng-Hao Yang (Tainan, Taiwan), Wen-Sheng Chang (Hsinchu, Taiwan) and Chia-Hao Chen (Yuanlin, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hot box device and an operating method thereof are provided. The hot box device includes a first shell, a reformer, a burner, and a cathode inlet pipe. The first shell has a first cavity. The reformer is disposed in the first cavity. The burner is disposed in the reformer ...