ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,295, issued on May 27, was assigned to Shanghai Kohler Electronics Ltd. (Shanghai).
"Direct-heating type heater" was invented by Desheng Liao (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a direct-heating type heater that includes a direct-heating type heater shell, a heating device arranged inside the direct-heating type heater shell, and a direct-heating type heater component, wherein at least one segment of the heating device is installed with a metal elastic device, and the inner wall of the direct-heating type heater shell corresponding to the heating device with no metal elastic device installed is ...