ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,409, issued on Jan. 13, was assigned to Haier US Appliance Solutions Inc. (Wilmington, Del.).

"Refrigerator appliance and method of operating the same during a vacation mode" was invented by Walter S. Pozgay (Louisville, Ky.) and Ronald Gary Foster (Louisville, Ky.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerator appliance includes a cabinet, at least one sensor positioned within the cabinet, and at least one water valve positioned within the cabinet. A method of operating a refrigerator appliance includes determining the refrigerator appliance is operating according to a predetermined operating mode; detecting, via the at least one sen...