ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,077, issued on Oct. 21, was assigned to TAIZHOU LIHE ECO TECH Co. LTD. (Taizhou, China).
"Quick pipe connector" was invented by Jianlin Zhu (Taizhou, China) and Jun Li (Taizhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quick pipe connector includes a pipe-shaped body, wherein a grip ring and a locking sleeve are arranged in the body; the end of the body is provided with a connecting section corresponding to the locking sleeve; the outer side face of the locking sleeve is provided with a protruding snap ring; the body is made of plastic; the locking sleeve is made of a metallic material; the outer side face of the connecting section is ...