ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,820, issued on Oct. 27, was assigned to GD MIDEA AIR-CONDITIONING EQUIPMENT Co. LTD. (Foshan, China) and MIDEA GROUP Co. LTD (Foshan, China).

"Air purification device and air conditioner" was invented by Zijian Zhang (Foshan, China), Zhonghua He (Foshan, China), Yi Ding (Foshan, China) and Ganggang Yang (Foshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air purification device includes a housing having an accommodation cavity, a filter module disposed within the accommodation cavity and provided with a plurality of electrical connectors arranged at intervals in a first direction, and a plurality of power supply elements arranged at int...