ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,458, issued on Sept. 23, was assigned to BREVILLE PTY LTD (Alexandria, Australia).
"Apparatus and method for frothing milk" was invented by Robert Grassia (Summer Hill, Australia), Nicholas McColl (Randwick, Australia) and Daniel Robert Corkin (Panania, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A jug for use with a frothing apparatus. The jug comprising: a vessel body for holding a liquid to be heated; a handle attached to the vessel body, the handle for holding the jug; a user interface for receiving an operation-related user input; a communication means adapted to communicate data associated with the jug to the frothing apparatus; ...