ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,785, issued on Nov. 4, was assigned to TK Elevator Innovation and Operations GmbH (Essen, Germany).
"Elevator system" was invented by Martin Madera (Neuhausen, Germany), Ionel Stanica (Bucharest, Romania), Mike Obert (Gernsbach, Germany), Martin Krieg (Gaggenau, Germany) and Sebastian Griesardt (Bietigheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator system includes a first and second elevator shaft, a first vertical guide rail disposed in the first shaft, a second vertical guide rail disposed in the second shaft, a plurality of elevator cars movable within the shafts along the guide rails, and a repositioning assembly configur...