ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,999, issued on Dec. 2, was assigned to GD MIDEA AIR-CONDITIONING EQUIPMENT Co. LTD. (Guangdong, China) and MIDEA GROUP Co. LTD. (Guangdong, China).
"Air conditioning device" was invented by Tiesheng Kang (Guangdong, China), Liangrui Chen (Guangdong, China), Zheng Xu (Guangdong, China), Xianyou Mao (Guangdong, China) and Hejie Zhou (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioning device is provided. The device has a fresh air component and a control valve assembly. The fresh air component has a housing assembly and an air treatment assembly. The housing assembly has a ventilation cavity, a fresh air cavity and an ex...