ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,838, issued on Jan. 27, was assigned to Haier US Appliance Solutions Inc. (Wilmington, Del.).

"Systems and methods for assessing drain pump performance in a washing machine appliance" was invented by Jinmo Chong (Seoul, South Korea) and MyungGeon Chung (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A washing machine appliance includes a cabinet, and a wash tub mounted within the cabinet. The washing machine appliance further includes a wash basket rotatably mounted within the wash tub. A method includes commencing an operating cycle, and sending, during the operating cycle, an activation command to a drain pump of the washing mac...