ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,371, issued on Feb. 24, was assigned to QINGDAO HAIER REFRIGERATOR Co. LTD. (Qingdao, China) and HAIER SMART HOME Co. LTD. (Qingdao, China).

"Magnetic field fresh-keeping apparatus capable of preventing direct blowing of cold air and air-cooled refrigeration device" was invented by Yuning Zhang (Qingdao, China), Bin Fei (Qingdao, China), Mengcheng Li (Qingdao, China), Yao Yi (Qingdao, China) and Lisheng Ji (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic field fresh-keeping apparatus includes a drawer container, a drawer, a magnetic field assembly, an air inlet duct assembly, and an air return opening. An opening is provided...