US Patent Issued to SOUTHWEST PETROLEUM UNIVERSITY on Aug. 19 for "Textured surface of oil and gas equipment and machining method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,884, issued on Aug. 19, was assigned to SOUTHWEST PETROLEUM UNIVERSITY (Chengdu, China).

"Textured surface of oil and gas equipment and machining method thereof" was invented by Lin Zhong (Chengdu, China), Guorong Wang (Chengdu, China), Qingyou Liu (Chengdu, China), Gang Wei (Chengdu, China), Xia He (Chengdu, China), Linyan Chen (Chengdu, China), Gang Hu (Chengdu, China), Chuan Wang (Chengdu, China), Zheng Zhang (Chengdu, China), Zhichao Li (Chengdu, China), Zixuan Wang (Chengdu, China) and Xiaolong Wu (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A textured surface of oil and gas equipment includes a first substrate, an antiwear co...