Patents by Inventor Dieter Giersch

Dieter Giersch 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).

  • Removable tooth with adapter for digging excavators
    Patent number: 4872274
    Abstract: A removable tooth with an adapter, said tooth having a wear-subject section that is as thick as possible in relation to the overall mass. The adapter being exposed to only a little wear. The transmission of force from the point of the tooth to a cutting wheel by way of the adapter, minimizes the need for securing mechanisms.
    Type: Grant
    Filed: September 15, 1988
    Date of Patent: October 10, 1989
    Assignee: Hoesch Aktiengesellschaft
    Inventors: Dieter Giersch, Hans-Werner Rickmann, Ulrich Wibbeling