Patents by Inventor David C. Jansen

David C. Jansen 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).

  • Track roller unit
    Patent number: 7628235
    Abstract: A track roller unit for a vehicle has at least one pivotable subframe, at least one further pivotable subframe, wherein each of the subframes rotatably accommodates at least one land wheel, at least one subframe is pivotably mountable on the vehicle, and at least the further substrate is pivotally mounted on the one subframe.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: December 8, 2009
    Assignee: CLAAS Industrietechnik GmbH
    Inventors: Ronald L. Satzler, David C. Jansen