ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,742, issued on March 31, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).
"Refrigerant recovery system" was invented by Ryuhei Kaji (Osaka, Japan), Eiji Kumakura (Osaka, Japan), Atsushi Yoshimi (Osaka, Japan), Masaki Tanaka (Osaka, Japan), Hiroki Ueda (Osaka, Japan) and Masaki Nakayama (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerant recovery system includes a cylinder, a first detection unit, and a control unit. The cylinder accommodate a refrigerant filling a refrigeration cycle apparatus. The first detection unit detects a predetermined physical quantity in order to calculate a composition of the refrigerant accom...