Patents by Inventor Karl-Wilhelm Kussmaul

Karl-Wilhelm Kussmaul 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).

  • Attenuator for optical radiation
    Patent number: 4561721
    Abstract: In the representative embodiments described herein, an attenuator of optical radiation, and specifically high-intensity laser radiation, comprises a plurality of diffracting sheet members, containing a plurality of apertures, disposed at an angle to the incident radiation. The sheet members may be wire screens and the attenuator may include a plurality of such screens disposed at different angles and having different mesh orientations.
    Type: Grant
    Filed: December 21, 1983
    Date of Patent: December 31, 1985
    Assignee: Max-Planck-Gesellschaft zur Foerderung de Wissenschafen E.V.
    Inventors: Fritz Keilmann, Karl-Wilhelm Kussmaul