ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,137, issued on Nov. 3, was assigned to Guangzhou Ting Shen Electric Co. Ltd (Guangzhou, China).
"Festival light device with temperature control protection" was invented by Chia-Chun Wang (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A festival light device featuring temperature control protection comprises a plug body, a back cover with a connecting hole, and a circuit board. The back cover houses a socket hole within a cavity formed by an inner flange, ensuring component protection and water resistance. The circuit board comprises a rectifier filter device with a fuse, thermal coupler switch, and PTC. Sealant blocks the socket hol...