ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,520,964, issued on Jan. 13, was assigned to SIMONELLI GROUP S.P.A. (Belforte del Chienti, Italy).
"Steam production system for professional coffee machines" was invented by Mauro Parrini (San Ginesio, Italy) and Claudio Cingolani (Camerino, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A steam production system for professional coffee machines includes a nozzle; a boiler for producing steam in flow communication with a water source and the nozzle. The boiler is equipped with an independent heating device for the initial production of steam. The system further includes a heating assembly to instantaneously produce steam in flow communication with ...