ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,690, issued on Sept. 22.

"Self-powered thermal probe for cooking" was invented by Boxin Xie (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A self-powered thermal probe for cooking comprises a fixing cover, a mounting shell, a probe tube, a first heat conducting block, a temperature-difference power generation piece, a second heat conducting block, a PCB, a temperature sensor and a battery. One end of the mounting shell is connected to the fixing cover, and the other end of the mounting shell is connected to the probe tube. The first heat conducting block and the second heat conducting block are respectively arranged on a hot surfac...