ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,332, issued on Feb. 24, was assigned to SHINERICH INDUSTRIAL LTD. (Shenzhen, China).
"Flameout protection system and heater" was invented by Guangrong Zhang (Shenzhen, China) and Cuilong Li (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a flameout protection system and a heater. The flameout protection system includes a stove head, a double-needle electrode rod, an electromagnetic valve and a plasma controller. The stove head is provided with an ejection tube and a flame hole. The double-needle electrode rod is connected to the ejection tube, and one end of the double-needle electrode rod is close to the flame hole. Th...