ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,279, issued on Dec. 30, was assigned to Siemens AG (Munich).

"Circuit breaker" was invented by Marvin Tannhauser (Hausen, Germany), Manfred Heindl (Alteglofsheim, Germany) and Jorg Hussmann (Neumarkt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit breaker protects an electric low-voltage circuit, having: a housing with grid-side connections and load-side connections for the low-voltage circuit; and a mechanical separating contact unit connected to an electronic interruption unit in series. The mechanical separating contact unit is paired with the load-side connections, and the electronic interruption unit is paired with the grid-si...