US Patent Issued to CONTEMPORARY AMPEREX TECHNOLOGY on Aug. 11 for "Drain valve for battery box, battery, electric apparatus, and drainage method" (Chinese Inventor)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,359, issued on Aug. 11, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY Co. Ltd. (Ningde, China).

"Drain valve for battery box, battery, electric apparatus, and drainage method" was invented by Siling Zhong (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drain valve includes a sealing member and an expansion member, where the sealing member is configured to be disposed on an outer side of a drain outlet of a battery box, the expansion member is disposed on a side of the sealing member facing the drain outlet, and the expansion member is configured to expand after absorbing water to extrude an edge of the sealing member to move in a d...