US Patent Issued to Volvo Construction Equipment on April 7 for "Pipe layer attachment for an excavator" (American, German Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,637, issued on April 7, was assigned to Volvo Construction Equipment AB (Eskilstuna, Sweden).

"Pipe layer attachment for an excavator" was invented by Tony Den Hoed (Carlisle, Pa.), John W. Duff (Fort Myers, Fla.), Matthew Wahler (Shippensburg, Pa.), Michal Perdek (Chambersburg, Pa.) and Lars-Inge Larsson (Schweich, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe layer attachment for an excavator includes a winch configured to wind and unwind a cable having a hook attached thereto. The pipe layer attachment also includes a pipe layer boom configured to mount onto a boom of the excavator as a cantilever with the pipe layer boom extendin...