ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,132, issued on March 17, was assigned to QINGDAO HAIER REFRIGERATOR Co. LTD. (Qingdao, China) and HAIER SMART HOME Co. LTD (Qingdao, China).

"Refrigeration system and refrigerating appliance" was invented by Yanfeng Zhao (Shandong, China), Lisheng Ji (Shandong, China), Xiaobing Zhu (Shandong, China), Jianquan Chen (Shandong, China), Yongsheng Sun (Shandong, China) and Xianghui Zhao (Shandong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigeration system and a refrigerating appliance. The refrigeration system includes: a refrigeration assembly including a compressor, and an evaporator, forming a refrigeration circuit; and a defrost byp...