ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,741, issued on Jan. 13, was assigned to ACP SYSTEMS AG (Zimmern ob Rottweil, Germany).

"Device for generating a CO 2 snow jet" was invented by Felix Jager (Stockach, Germany) and Jonas Gude (Ditzingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a device for generating a CO2 snow jet, comprising an expansion channel (6) which extends in a flow direction (14) for generating a CO2 gas/CO2 snow mixture based on liquid CO2, said expansion channel having an inlet opening (18) for supplying liquid CO2 and an outlet opening (22) for discharging the CO2 gas/CO2 snow mixture. The device also comprises a nozzle for generati...