ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,126, issued on June 17, was assigned to Jiangsu Boqian New Materials Stock Co. Ltd. (Jiangsu, China).

"Ultrafine powder particle aggregation and cooling tank-type structure and ultrafine powder particle forming method" was invented by Bi Zhong (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrafine powder particle aggregation and cooling tank-type structure and an ultrafine powder particle forming method is provided. The tank-type structure is arranged in an ultrafine powder particle preparation system, and includes an air outlet and backflow structure, a particle forming control structure, and a tank-type variable-direction mat...