ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,546, issued on Nov. 4.
"Temperature-sensitive PTC heating wire and control method therefor" was invented by Liping Gao (Yuyao, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a temperature-sensitive PTC heating wire and a control method therefor, and relates to a heating device and a control method therefor. The temperature-sensitive PTC heating wire includes a first metal wire, a temperature detection module, and a temperature regulation module. The first metal wire is configured to generate heat when being powered on, and has a known temperature-resistance relationship and a positive temperature coefficient (PTC) cha...