ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,246, issued on June 30, was assigned to EMP Shield Inc. (Burlington, Kan.).

"Methods and systems for protection of electric networks and devices from extreme transient electromagnetic surges" was invented by Plamen Doynov (Kansas City, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are methods and systems for suppressing extreme voltage surges due to transient electromagnetic energy disturbance such as a detonation of a nuclear weapon at high altitude generating an EMP (HEMP) comprising E1, E2, and E3 component pulses. Surge protection assemblies form a surge protection device (SPD) mounted directly on AC and DC power line conductors w...