ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,724, issued on Feb. 10, was assigned to Creative System Technology Ltd. (Hsinchu, Taiwan).
"Grinding liquid mixing and supplying system" was invented by Huo Lung Cheng (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A grinding liquid mixing and supplying system comprises a stock solution barrel, a stock solution circulation tank, a grinding liquid mixing tank, a grinding liquid supplying tank, which are configured with pipelines that interconnect each other; and capacitive liquid level sensors connected in parallel with these tanks. The stock solution circulation tank is provided with a first pipeline, the first pipeline is provided ...