ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,437,950, issued on Oct. 7, was assigned to Siemens AG (Munich).

"Plug-in summation current transformer module, rail-mounted device, and assembly method" was invented by Sebastian Schaich (Regensburg, Germany), Tobias Keimel (Regensburg, Germany) and Michael Koch (Freudenberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plug-in summation current transformer module for insertion into a module-overlapping installation space of a multi-pole rail-mounted device that is formed of a plurality of housing modules has a summation current transformer and primary conductors routed through the tubular summation current transformer. The primary conductors...