ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,758, issued on Dec. 9, was assigned to YUAN MEI CORP. (Changhua County, Taiwan).
"Anti-blockage pipeline structure with valve" was invented by Chi-Han Cheng (Changhua County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An anti-blockage pipeline structure includes a connection pipe and a flow controller. The connection pipe includes inflow and outflow passages and an accommodation part that is located therebetween and has upper and lower flow chambers in fluid communication with each other, first and second inlet channels and an outlet channel. The first inlet channel is in fluid communication with the inflow passage and the upper flow chamb...