ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,869, issued on Nov. 4, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Heat exchange core, heat exchanger, and method for manufacturing heat exchange core" was invented by Shunsaku Eguchi (Tokyo), Minemasa Omura (Tokyo) and Takuo Oda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a technique to achieve equalization of stress in a heat exchange core. The heat exchange core which performs heat exchange between a first fluid and a second fluid includes a circular first cross-section in which a first flow path group for the first fluid and a second flow path group for the second fluid are positioned. First flow paths include...