ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,350, issued on Feb. 10, was assigned to Siemens Mobility GmbH (Munich).
"Metal corner connector" was invented by Johannes Blisse (Spardorf, Germany), Alexander Hoffmann (Fuerth, Germany) and Peter Dornberger (Nuremberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A metal corner connector contains at least two connection regions which are arranged on a lateral surface of the metal corner connector. At least one connection region is configured to be mechanically stably connected via welding to a metal pipe extending along a main extension plane of the metal corner connector. The connection region contains at least one protrusion with a groo...