Patents by Inventor Hermann Piehlke

Hermann Piehlke 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).

  • Coating process
    Patent number: 5314715
    Abstract: A process for centrifugal coating of large-surface, arched elements, especially of cathode-ray-tube displays or screens, in which during the centrifugal coating, a disk matched to approximately the shape of the surface to be coated is rotated at a distance of 1 to 10 mm above the surface to be coated at approximately the centrifugal speed equidirectional with the surface to be coated.
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: May 24, 1994
    Assignee: Schott Glaswerke
    Inventors: Nanning Arfsten, Hermann Piehlke, Reinhard Kaufmann