ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,973, issued on April 7, was assigned to Siemens Mobility GmbH (Munich).

"Step device for a rail vehicle" was invented by Eric Rohowski (Willich-Anrath, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A step device for a rail vehicle includes a step platform, a housing from which the step platform is extendable and retractable again, and a regulating unit for controlling the extension and retraction movement of the step platform. The step platform includes a plurality of step contact segments which, when subjected to pressure, generate signals which are transmitted to the regulating unit. The step contact segments are disposed at predefined di...