ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,909, issued on Nov. 25, was assigned to China University of Petroleum-Beijing (Beijing).
"Coalescing filter element" was invented by Cheng Chang (Beijing), Zhongli Ji (Beijing), Xiaolin Wu (Beijing), Zhen Liu (Beijing) and Feng Chen (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A coalescing filter element, including an inner coalescing component configured to captured a large amount of liquid in gas, and an outer coalescing component configured to coalesce and filter a small amount of liquid remaining in the gas. The inner coalescing component and the outer coalescing component are cylindrical structures disposed in a vertical direction an...