ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,166, issued on Dec. 30.
"Blast gate capable of preventing gate-dropping" was invented by Hui-Chuan Liao (Oakland, Calif.) and Yu-Chen Hsiao (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A blast gate has a base and a gate. The base has a main body, a flow channel, a positioning hole, and a gate channel. The gate channel communicates with the flow channel and the gate channel. The gate is inserted in the gate channel and configured to move back and forth in the gate channel to open or close the flow channel. The gate has a board, a positioning tab, and a compensation rib. The positioning tab extends along a first direction from the ...