ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,428, issued on July 29, was assigned to TIANJIN JYJC TECHNOLOGY Co. LTD. (Tianjin, China).

"Negative pressure wave monitoring based leak detection method of multipath pipeline network" was invented by Jingtuo Shen (Tianjin, China), Chao Gao (Tianjin, China), Yongfang He (Tianjin, China), Peng Wang (Tianjin, China), Hugejile Liang (Tianjin, China), Quan Wan (Tianjin, China), Xianzhi Lang (Tianjin, China), Yang Yang (Tianjin, China) and Lingda Gao (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a negative pressure wave monitoring based leak detection method of a multipath pipeline network, including: anal...