ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,786, issued on April 8, was assigned to GUANGDONG UNIVERSITY OF TECHNOLOGY (Guangzhou, China).

"Method, device, and system for measuring pipeline corrosion" was invented by Maodan Yuan (Guangzhou, China), Ruiyu Zhu (Guangzhou, China), Yongfeng Song (Guangzhou, China), Xuanrong Ji (Guangzhou, China) and Yan Chen (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for measuring pipeline corrosion includes: obtaining a material property of a to-be-detected pipeline, and calculating a theoretical dispersion curve of the to-be-detected pipeline based on the material property; determining a theoretical frequency-thickness product and...