ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,389, issued on Nov. 18, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.) and Connected Intelligence Systems Ltd. (Netanya, Israel).

"Local partial discharge monitoring" was invented by Douglas B. Gundel (Cedar Park, Texas), Uri Bar-Ziv (Zichron Yaakov, Israel) and Eyal Doron (Caesarea, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A partial discharge (PD) detection system includes a node including a sensor configured to capacitively couple to a shield layer of a cable of an electric power line. The sensor is configured to collect, from the cable, sensor data indicative of an alternating-current (AC) electrical signal in the cab...