US Patent Issued to LA MARZOCCO on Sept. 1 for "Ultrasonic cleaner device for an espresso coffee machine and espresso coffee machine incorporating such a cleaner device" (Italian Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,469, issued on Sept. 1, was assigned to LA MARZOCCO S.R.L. (Scarperia, Italy).

"Ultrasonic cleaner device for an espresso coffee machine and espresso coffee machine incorporating such a cleaner device" was invented by Scott Guglielmino (Scarperia, Italy) and Aric Forbing (Scarperia, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonic cleaner device (6) for an espresso coffee machine (100) comprising a dispensing group (15), wherein the ultrasonic cleaner device (6) comprises: a liquid reservoir (61), a piezoelectric transducer (62) and a generator (63), wherein the generator (63) is configured to produce an electronic signal of high f...