ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,322, issued on Feb. 24, 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 protecting an electric low-voltage circuit includes a housing with grid-side and load-side connections and a series circuit of a mechanical isolating contact unit on the grid side and an electronic interruption unit on the load side. The mechanical isolating contact unit has a handle opening and closing contacts. A current sensor unit is disposed in a conductor between the isolati...