ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,847, issued on March 18, was assigned to PORR Bau GmbH (Vienna).
"Turnout arrangement with elastically supported turnout bases" was invented by Johannes Furst (Riederberg, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A turnout arrangement of a slab track with a ballastless superstructure for forming a main track (1) and a branch track (2) which branches off from the main track for railway traffic has a plurality of prefabricated turnout bases (3) of untensioned reinforced concrete, a casting compound (5), which is cast and hardened between the aligned turnout bases and the ground (4), a plurality of fastening areas (6) which are rail supp...