ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,321, issued on July 8, was assigned to Jing-Jin Electric Technologies Co. Ltd. (Beijing).

"Bidirectional electromagnetic clutch and gear shifting device" was invented by Yang Cao (Beijing), Ping Yu (Beijing), Jianwen Li (Beijing) and Pengyuan Zhou (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bidirectional electromagnetic clutch is provided that includes first and second electromagnetic clutches arranged along positive and negative directions of the same axis. The two electromagnetic clutches are integrated in the same space and configured to independently engage and/or disengage at different ends of the bidirectional electromagnetic clut...