ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,003, issued on Nov. 3, was assigned to Siemens AG (Munich).
"Circuit breaker" was invented by Marvin Tannhauser (Hausen, 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 and load-side circuit connections. A mechanical isolating contact unit paired with load-side connections is series-connected to an electronic interruption unit paired with grid-side connections. A handle operating the isolating contact unit switches a contact opening function preventing current flow or closing function allowing current flow in the low-voltage circuit. Semiconductor-based s...