ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,920, issued on Feb. 25, 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: "A control valve, comprising a valve body, a valve element assembly, and a sealing member, wherein the valve body is provided with a mounting cavity, and at least part of the valve element assembly is located in the mounting cavity; the valve body comprises a bottom wall, a side wall and a limiting rib, the side wall is arranged to protrude from the bottom wall, the limiting rib comprises an arc-shaped section, is located in a space enclosed by t...