ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,613, issued on June 24, was assigned to Kohler (China) Investment Co. Ltd. (Shanghai).
"Water supply mechanism for a jet hole" was invented by Junfeng Sun (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water supply mechanism of a toilet includes: a water tank configured to store water; a discharge valve configured to discharge the water in the water tank when the discharge valve is opened and configured to keep the water in the water tank when the discharge valve is closed; a vacuum breaker disposed in the water tank and connected to the discharge valve, the vacuum breaker configured to allow air to enter the discharge valve; a discharge...