ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,046, issued on Nov. 18, was assigned to TRUMA GERAETETECHNIK GMBH & Co. KG (Putzbrunn, Germany).
"Device for heating a medium" was invented by Uwe Armbruster (Putzbrunn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a device for heating a medium, including a burner unit and a flame tube, wherein the burner unit generates flue gas, wherein the flame tube has a flue gas inlet, a longitudinal axis, a casing extending along the longitudinal axis, and an end face opposite the flue gas inlet, wherein the flue gas passes from the burner unit into the flame tube via the flue gas inlet, wherein a plurality of recess...