Patents by Inventor Reinrich Wittkamp

Reinrich Wittkamp 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).

  • Apparatus for the production of magnetic recording media in tape form
    Patent number: 4333418
    Abstract: Magnetic recording media in which, following application of the magnetic dispersion to a web of tape base material, the magnetic particles are oriented in a preferred direction and the magnetic dispersion is dried to fix the magnetic particles in their oriented position. To assist the orienting action of the orientation magnet, a blanket is located between the latter and the coating device, which blanket is caused to make sliding contact with the applied magnetic layer.
    Type: Grant
    Filed: March 28, 1980
    Date of Patent: June 8, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Nagel, Klaus Schoettle, Reinrich Wittkamp, Karl Hauck