Patents by Inventor Hartmut Kahnert

Hartmut Kahnert 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).

  • Joining connection, method for producing the same, and a steering column for motor vehicles comprising such a joining connection
    Patent number: 6874384
    Abstract: A joining connection between a circumferentially closed hollow profile and an add-on part which is provided with a passage opening and consists of a material of lower strength than the material of the hollow profile is disclosed. Additionally, a method for producing the connection and to a steering column having this joining connection is disclosed.
    Type: Grant
    Filed: May 30, 2000
    Date of Patent: April 5, 2005
    Assignee: DaimlerChrysler AG
    Inventors: Bernd Freiwald, Torsten Harms, Hartmut Kahnert, Olaf Sättler