US Patent Issued to HERRENKNECHT on Sept. 29 for "Tunnel boring machine and method for tunneling using a tunnel boring machine" (German Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,665, issued on Sept. 29, was assigned to HERRENKNECHT AG (Schwanau, Germany).

"Tunnel boring machine and method for tunneling using a tunnel boring machine" was invented by Gerhard Wehrmeyer (Schwanau, Germany), Emil Nathanson (Friesenheim, Germany) and Johannes Trondle (Lahr/Schwarzwald, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a tunnel boring machine (103) in which the thrust cylinders (109) acting on a cutting wheel (106) are controlled by means of the direct input of coordinate values of a desired total center of pressure (151) in a coordinate system (154, 157) relating to the tunnel boring machine (103)."...