ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,936, issued on June 17, was assigned to NINGBO MANXING TECHNOLOGY Co. LTD. (Ningbo, China).
"Electric fireplace with variable cover plate" was invented by Qi Dong (Ningbo, China) and Yizhen Wang (Ningbo, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure presents an electric fireplace having a housing, an interior chamber for housing simulated fuel, and a variable cover plate for sealing the interior chamber. The variable cover plate comprises an outer transparent medium and a variable film provided with a wire contact module. The variable film abuts the outer transparent medium via colloid; the wire contact module extends laterally...