US Patent Issued to Qi'an Chen on June 2 for "Tandem gas valve" (Chinese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,533, issued on June 2, was assigned to Qi'an Chen (Rui'an, China).

"Tandem gas valve" was invented by Xuesheng Wang (Rui'an, China) and Qi'an Chen (Rui'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tandem gas valve includes a valve body, a first solenoid valve and a second solenoid valve. An inlet passage, a first chamber, a second chamber, a third chamber and an outlet passage are successively provided on the valve body along a gas flow path, a first valve seat is provided between the first chamber and the second chamber, and a second valve seat is provided between the third chamber and the outlet passage. Upper ends of the first valve ...