ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,656, issued on June 24, was assigned to Schneider Electric Industries SAS (Rueil-Malmaison, France).

"Contactor and operation method thereof" was invented by Bing Shuang (Shanghai), Jian Gu (Shanghai), Qing Ling (Shanghai) and Lingjie Li (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a contactor and an operation method thereof. The contactor includes a contact, a control device, a wear indication and reset device, and a memory. The control device generates and stores wear diagnosis alarm information when the contactor is disconnected; generates a switch control signal based on the wear diagnosis alarm info...