US Patent Issued to TRUMPF LASER- UND SYSTEMTECHNIK on Sept. 9 for "Method for laser welding two coated workpieces" (German Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,514, issued on Sept. 9, was assigned to TRUMPF LASER- UND SYSTEMTECHNIK GMBH (Ditzingen, Germany).

"Method for laser welding two coated workpieces" was invented by Johannes Seebach (Stuttgart, Germany), Nicolai Speker (Pleidelsheim, Germany), Adrian Wolf (Leonberg, Germany) and Tim Hesse (Ditzingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for laser welding two coated workpieces includes positioning an upper workpiece and a lower workpiece on top of each other and passing a first laser beam over the upper and lower workpieces from a side of the upper workpiece so as to at least partially evaporate the respective coating of ea...