ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,503, issued on Sept. 22.
"Electronic relief valve device" was invented by Chi-Wen Chen (New Taipei City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic relief valve device includes an electronic control module including a driving motor and a pressure transducer electrically connected to a control circuit board, a three-way pipe connected to the pressure transducer and having a gas release aperture formed in a gas channel thereof, and a slidable member sleeved on the gas channel and closing the gas release aperture. When the pressure value of gas of an external inflatable object (such as a tire) is greater than a pressure relief...