ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,921, issued on Dec. 16, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Power generation facility" was invented by Shohei Yoshida (Yokohama, Japan), Akinori Hayashi (Yokohama, Japan), Tatsuya Hagita (Yokohama, Japan), Hiroyuki Takeishi (Tokyo) and Toshiyuki Hiraoka (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine facility includes: a fuel pipe connected to a fuel supply facility; a fuel supply pipe connected to a combustor of a gas turbine; a fuel treating pipe connected to a fuel treating apparatus that treats a fuel; and a three-way valve having an inlet port connected to the fuel pipe, a first outlet port c...