ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,175, issued on June 23, was assigned to ZF Friedrichshafen AG (Friedrichshafen, Germany).
"Device and method for determining a speed of a rail-based vehicle" was invented by Susanne Horn (Tettnang, Germany), Axel Mors (Friedrichshafen, Germany), Adam Norris (Friedrichshafen, Germany), Jens Giesler (Friedrichshafen, Germany), David Stock (Friedrichshafen, Germany), Tobias Dentler (Meckenbeuren, Germany), Christian Carl (Langenargen, Germany) and Michael Hertkorn (Bodolz, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device (9) for determining a speed of a rail-based vehicle with wheels on a predetermined network of routes includes an inter...