ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,256, issued on June 30, was assigned to GD MIDEA AIR-CONDITIONING EQUIPMENT Co. LTD. (Foshan, China).

"Method for controlling variable refrigerant flow air conditioner, variable refrigerant flow air conditioner, and storage medium" was invented by Kui Tao (Foshan, China), Dawei Zhuang (Foshan, China), Zhigang Huang (Foshan, China), Haomin Cao (Foshan, China), Guoliang Ding (Foshan, China), Shunquan Li (Foshan, China) and Hao Zhang (Foshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a method for controlling a variable refrigerant flow (VRF) air conditioner, a VRF air conditioner, and a computer-readable storage medium. The met...