US Patent Issued to PetroChina, BEIJING ORIENDA INSTRUMENTS on Feb. 10 for "Automatic separation apparatus for four fractions of heavy oil and separation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,690, issued on Feb. 10, was assigned to PetroChina Co. Ltd. (Beijing) and BEIJING ORIENDA INSTRUMENTS Co. LTD (Beijing).

"Automatic separation apparatus for four fractions of heavy oil and separation method thereof" was invented by Qing Cao (Beijing), Dawei Wen (Beijing), Shengbao He (Beijing), Yuan Xiu (Beijing), Lin Tian (Beijing), Dingzhong Yang (Beijing), Jing He (Beijing), Minna Dou (Beijing), Fei Chen (Beijing), Kunhong Liu (Beijing), Chenchen Li (Beijing), Huifeng Xue (Beijing) and Jianming Wang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an automatic separation apparatus for four fractions of heavy...