Patents by Inventor Jan Neuenhahn

Jan Neuenhahn 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).

  • Hybrid laser and arc process for welding workpieces
    Patent number: 5821493
    Abstract: A welding process in which laser radiation is trained on the seam area fod between two sheet-metal workpieces, one of which has an edge projecting above the other. In addition, the arc is guided along this edge to melt the edge and contribute molten metal to the pool formed by the laser.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: October 13, 1998
    Assignee: Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.
    Inventors: Eckhard Beyer, Ralf Imhoff, Jan Neuenhahn, Christof Maier