Patents by Inventor Friedbert Roth

Friedbert Roth has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and device for calibrating a workpiece laser-processing machine
    Patent number: 6615099
    Abstract: A method and arrangement for calibrating a laser processing machine for processing workpieces. The present invention ensures a fast and reproducible method and arrangement for calibrating a laser processing machine by measuring a position of a predetermined test pattern on a test plate while taking into account any imaging errors caused by the deflection unit.
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: September 2, 2003
    Assignee: Siemens Aktiengesellschaft
    Inventors: Lothar Müller, Mladen Polgar, Hubert De Steur, Mark Van Biesen, Friedbert Roth