ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,881, issued on Dec. 9, was assigned to Haier US Appliance Solutions Inc. (Wilmington, Del.).

"Dispensing cup monitoring for a dishwasher appliance" was invented by Ricardo Alberto Aguiar Jr. (Clarksville, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dishwasher appliance includes a door pivotally mounted to a cabinet to provide selective access to a wash chamber, a dispensing assembly including a dispenser cup, a dispenser door for providing selective access to the dispenser cup, and an actuating mechanism for moving the dispenser door from a closed position to an open position, and a microphone for monitoring sound generated during operation...