Patents by Inventor Ralf Erich Ohlef

Ralf Erich Ohlef 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: 6453814
    Abstract: A device for transversely sizing printed products that uses individual application devices such as nozzles that are provided on a roller. The method includes moving individual application devices in at least one sizing position where the relative speed between the application device and printed product is held at essentially zero.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: September 24, 2002
    Inventors: Martin Christian Oepen, Ralf Erich Ohlef
  • Publication number: 20010042473
    Abstract: A device for transversely sizing printed products that uses individual application devices such as nozzles that are provided on a roller. The method includes moving individual application devices in at least one sizing position where the relative speed between the application device and printed product is held at essentially zero.
    Type: Application
    Filed: May 27, 1999
    Publication date: November 22, 2001
    Inventors: MARTIN CHRISTIAN OEPEN, RALF ERICH OHLEF