ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,837, issued on Oct. 21, was assigned to Dr. Ing. h. c. F. Porsche AG (Stuttgart, Germany).
"Apparatus for detecting an electrical connection" was invented by Stefan Schmitz (Vaihingen / Enz, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for detecting a plug-in connection has first, second and third electrical conductors, a first measuring arrangement, and a charging connection. The charging connection enables connection to a single-phase power grid to connect the first active conductor to the first electrical conductor, the second active conductor to the second electrical conductor, and the third electrical conductor to the pro...