ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,536, issued on Dec. 9.

"Valve assembly" was invented by Tsai-Chen Yang (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve assembly is provided, wherein the valve assembly includes: a valve member; a base including a base portion, at least two columns and at least two through holes, the base portion including a first side and a second side opposite to each other, the first side being configured to be abutted on a mounting surface, the at least two columns being protrusive from the second side and configured to support the valve member, the at least two through holes being disposed through the first side and the second side respec...