ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,555, issued on July 15, was assigned to Shanghai Baicheng Electric Equipment Manufacture Co. Ltd. (Shanghai).

"Waterproof detection circuit and battery pack" was invented by Guofang Kuang (Shanghai) and Huatian Luo (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a waterproof detection circuit and a battery pack. The waterproof detection circuit is applied to a battery pack and includes a waterproof detection terminal, a waterproof detection module, and a switch module. A positive terminal of the battery pack is connected to a first terminal of a microcontroller of the battery pack. A negative terminal of the battery pack is con...