US Patent Issued to Kohler (China) Investment on June 2 for "Pneumatic drain valve driving device" (Chinese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,267, issued on June 2, was assigned to Kohler (China) Investment Co. Ltd. (Shanghai).

"Pneumatic drain valve driving device" was invented by Bin Guo (Shanghai) and Bing Dai (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pneumatic drain valve driving device includes a cylinder, including a cylinder body and an air chamber. The air chamber includes an air chamber communication port in air communication with an outside of the cylinder body; and an air chamber exhaust port configured to be connected to a pneumatic drain valve. The cylinder also includes a liquid chamber, including a drain hole configured to receive a slide valve. The cylinder...