US Patent Issued to PetroChina on June 17 for "Device and method for continuous mixing of solid drag reducer" (Chinese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,601, issued on June 17, was assigned to PetroChina Co. Ltd. (Beijing).

"Device and method for continuous mixing of solid drag reducer" was invented by Pengfei Chen (Beijing), Honggang Chang (Beijing), Gang Xiong (Beijing), Youquan Liu (Beijing), Yadong Zhang (Beijing), Chengmei Zhou (Beijing) and Jia Liao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a device and method for continuous mixing of a solid drag reducer. The device for continuous mixing of a solid drag reducer comprises a raw material storage device (1), a pneumatic raw material delivery device (2), a power device (3), a flow testing device (4)...