Patents by Inventor Peter Landen

Peter Landen 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).

  • Device for crimping large filament groups
    Patent number: 4891873
    Abstract: A compressing chamber (7) for directed crimping consists of step-shaped bars (8) by way of increasing outwards in length.
    Type: Grant
    Filed: April 20, 1988
    Date of Patent: January 9, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Landen, Dieter Paulini, Wolfram Wagner