ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,538,997, issued on Feb. 3, was assigned to CONAIR LLC (Stamford, Conn.).

"Cleaning system and method for beverage appliance" was invented by Leandro P. Rizzuto (Sheridan, Wyo.) and Joseph J. Laskowski (Derby, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The beverage appliance of the present invention includes a venturi having a steam inlet and a milk inlet. The steam inlet and milk inlet each include a solenoid valve configurable between an open state and a closed state. The solenoid valves are electrically coupled to a processor and are controllable through first and second switches. In operation, upon activation of the first switch, the solenoi...