Patents by Inventor Jan Menzel

Jan Menzel 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).

  • Patent number: 5898309
    Abstract: A method and apparatus for determining specific material characteristics of plastic materials in which the plastic material is disposed between electrodes of a capacitive sensor and the impedance is measured and compared to a reference value, preferably stored in a computer.
    Type: Grant
    Filed: October 2, 1996
    Date of Patent: April 27, 1999
    Assignee: Filterwerk Mann & Hummel GmbH
    Inventors: Achim Becker, Jan Menzel