ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,571, issued on Aug. 12, was assigned to HANGZHOU AO KE MEI RUI TECHNOLOGY Co. LTD. (Zhejiang, China).
"Control valve" was invented by Meiyan Hu (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a control valve. The control valve comprises a sealing member, and the sealing member comprises an elastic pad and a sealing piece which have an integral structure. The control valve is provided with a rotation suppression portion, the rotation suppression portion is integrally formed with or fixedly connected to or in position-limiting connection with the inner surface of a valve body member, and the rotation suppression portion wo...