ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,700, issued on Sept. 23.
"Solar water valve with waterproof structure" was invented by Fanglin Liu (Chenzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A solar water valve with a waterproof structure is provided, which includes a pipe body. An upper end of the pipe body is provided with an installation nut, a lower end of the pipe body is provided with an installation screw mouth, a surface of the pipe body is provided with a control valve. In the present disclosure, a protective front cover and a protective back cover form a tight waterproof structure through a sealing sleeve and a sealing ring, which are reinforced with a clamp block a...