Patents by Inventor Christian T. Nielsen

Christian T. Nielsen 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: 6050008
    Abstract: A vehicle mounted accessory unit assembly is provided that is removably mountable to a vehicle, the accessory assembly including a support frame having a first and second portion that are connected at a pivot point, with the pivot point enabling forces to be directed in such a way as to minimize the stresses on the vehicle to which the accessory unit assembly is attached. The accessory unit assembly further includes a wheel assembly to further minimize the stresses on the vehicle. The wheel assembly preferably includes a ground engaging wheel, a mounting member, a spring assembly and a dampener. A steering dampener is also utilized.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: April 18, 2000
    Assignee: Douglas Dynamics, L.L.C.
    Inventors: James R. Doornek, Steven L. Klug, Gerald E. Lutzke, Chad T. Barker, Christian T. Nielsen