ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,357, issued on Oct. 6, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).
"Manufacturing method for heat exchanger" was invented by Nobuyasu Ichikawa (Osaka, Japan), Hironori Kubo (Osaka, Japan), Tatsuya Omaki (Osaki, Japan), Ryou Kouyama (Osaka, Japan) and Fumio Yabuuchi (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heat exchanger includes a plurality of fins arranged in a thickness direction and a plurality of heat transfer tubes penetrating the plurality of fins, the heat transfer tubes being made of aluminum. A method for manufacturing the heat exchanger includes connecting a first open end portion of open end portions of the...