ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,899, issued on May 12, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Heat exchanger core, heat exchanger, maintenance method for heat exchanger core, and producing method for heat exchanger core" was invented by Hiroyuki Nakaharai (Tokyo), Koichi Tanimoto (Tokyo), Yoichi Uefuji (Tokyo), Nobuhide Hara (Tokyo), Takuo Oda (Tokyo), Masaya Hatanaka (Tokyo) and Shunsaku Eguchi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat exchanger core according to at least one embodiment is provided with: a core body having a plurality of cavity portions forming a plurality of channels inside the core body; and a header including a header pass...