ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,722, issued on Dec. 30, was assigned to Societe des Produits Nestle S.A. (Vevey, Switzerland).
"Method for roasting coffee beans" was invented by Flavien Dubief (Champagne, Switzerland) and Stefano Ceccaroli (Chavornay, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention concerns an apparatus for roasting partially pre-roasted coffee beans comprising: -a vessel (1) to contain coffee beans, -an electrical heater (13) to heat coffee beans contained in the vessel, -at least one temperature sensor (23) to measure temperature in the vessel, -a control system (180) operable to control the heater, wherein the control system is configur...