ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,283, issued on March 3.
"Extraction filter basket" was invented by Sauro Dall'Aglio (Seattle) and Angelo Dall'Aglio (Bologna, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter basket for a beverage machine includes a sidewall and a strainer portion. The filter basket forms a brew chamber into which ground coffee or other products are added. The brew chamber is defined by a sidewall, a strainer surface, and a smooth contour between the tapered sidewall and the strainer surface. The brew chamber is defined by smooth lines to create better fluid flow through the extraction process. A plurality of apertures are formed in the strainer surface...