ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,278, issued on Sept. 22, was assigned to QINGDAO HAIER WASHING MACHINE Co. LTD. (Qingdao, China) and HAIER SMART HOME Co. LTD. (Qingdao, China).
"Control method for washing machine and washing machine" was invented by Sheng Xu (Shandong, China) and Yanfen Lv (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control method for a washing machine and a washing machine. The washing machine includes: a water tank having a circulating filter pipeline, a water inlet end and a water outlet. A circulation pump and a filtering device are arranged on the water tank. A filtering device includes a filtering cavity. A filtering mechanism is rotat...