ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,246, issued on March 3, was assigned to BODE-DIE TUR GMBH (Kassel, Germany).
"Boarding system, having sliding footstep and active seal" was invented by Abbas Rasekhi (Kassel, Germany) and Christoph Theis (Bad Wildungen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A boarding system for a passenger transport vehicle, in particular a rail vehicle includes a door portal via which a floor of a passenger space of the vehicle is accessible, a door leaf with which a predominant area of a door opening is closed, a step with a step tread surface, which is arranged below the floor in the vertical direction and, in the horizontal direction, extends f...