ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,329, issued on Sept. 23, was assigned to LANGENSTEIN & SCHEMANN GMBH (Germany).

"Forging machine with prestressed concrete machine frame" was invented by Lothar Bauersachs (Weidhausen, Germany) and Harald Barnickel (Coburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A forging machine includes a first tool carrier and a second tool carrier, a drive system for driving the first tool carrier in a working movement, a machine frame, wherein the machine frame is formed of a concrete prestressed with prestressing elements, wherein the machine frame comprises a frame base and a frame support connected to the frame base, wherein longitudinal pre...