Patents by Inventor Hamza Dounassre

Hamza Dounassre 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).

  • Publication number: 20230111969
    Abstract: A method for laser cutting a workpiece having a thickness of less than 6 mm includes the steps of directing a first laser beam, a second laser beam, and a gas jet at an entrance surface of the workpiece such that the first and second laser beams at least partially overlap one another on the workpiece. The first laser beam has a smaller focus diameter than the second laser beam, a beam parameter product of the first laser beam is at most 5 mm*mrad, and a power proportion of the second laser beam of a total laser power is less than 20%. A cutting kerf with a broken cutting edge is formed on the entrance surface of the workpiece.
    Type: Application
    Filed: November 8, 2022
    Publication date: April 13, 2023
    Inventors: Hamza Dounassre, Tim Hesse, Olga Kramlich, Johannes Seebach, Nicolai Speker