ALEXANDRIA, Va., April 2 -- United States Patent no. 12,264,755, issued on April 1, was assigned to HWEI KEH ENTERPRISE Co. LTD. (Taichung, Taiwan).

"Timer applicable to various types of fuel gas valves and fuel gas valve including same" was invented by Jih-Ching Lai (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A timer applicable to various types of fuel gas valves and a fuel gas valve including the timer are provided. The timer includes a rotary knob, a gear-set main body, a guide plate including a guide tube, a push axle, and an elastic element. The timer is combinable with a valve body to form a fuel gas valve. With the guide plate including the guide tube in which the push axle is dis...