ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,698, issued on Nov. 18, was assigned to Wirtgen GmbH (Windhagen, Germany).
"Roll control during slip form paving" was invented by Michael Engels (Montabaur, Germany), Gunnar Ramseger (Borod, Germany) and Christoph Weigel (Sankt Augustin, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A slip form paving machine includes a machine frame, a plurality of ground engaging wheels or tracks, and front and rear height adjustable lifting columns supporting the machine frame from the ground engaging wheels or tracks, the lifting columns being adjustable to adjust a longitudinal inclination of the machine frame in a paving direction. A slip form mold is...