ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,644, issued on July 28, was assigned to QINGDAO HAIER WASHING MACHINE Co. LTD. (Qingdao, China) and HAIER SMART HOME Co. LTD. (Qingdao, China).

"Washing machine and control method thereof" was invented by Sheng Xu (Qingdao, China), Peishi Lv (Qingdao, China), Yanfen Lv (Qingdao, China) and Kai Liu (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A washing machine and a control method thereof, the washing machine includes: a water container; a filtering device, communicating with the water container and configured to filter the water in the water container, the filtering device is provided with a discharge outlet for discharging filtere...