US Patent Issued to GDA Valve Technology on Sept. 8 for "Dual fuel valve" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,851, issued on Sept. 8, was assigned to GDA Valve Technology Co. Ltd. (Zongshan, China).

"Dual fuel valve" was invented by Jingshou He (Zongshan, China), Guanxing He (Zongshan, China) and Wei Zhao (Zongshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an electronic control system connected to a gas judgment assembly with an oxygen depletion sensor assembly and a sensor such as an ion induction needle to determine whether a flame is present. The gas judgment assembly includes a nozzle associated with the oxygen depletion sensor assembly that is large enough to permit a flame if the fuel is liquid propane, but small enough to pre...