ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,453, issued on July 1, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).
"Plate-type refrigerant pipe and refrigeration apparatus" was invented by Asahi Ohno (Osaka, Japan), Fumiaki Koike (Osaka, Japan), Masanori Jindou (Osaka, Japan) and Ayumi Komaki (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A plate-type refrigerant pipe includes: a first plate made of stainless steel; a second plate made of stainless steel; and a coupling pipe, made of a material that is different from stainless steel, attached to one or both of the first plate and the second plate. The first plate and the second plate are joined to form a refrigerant flow p...