Patents by Inventor Konrad Steffinger

Konrad Steffinger 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).

  • Frame for agricultural trailer vehicle
    Patent number: 5322327
    Abstract: A frame for an agricultural trailer vehicle has a single centrally extending longitudinal support having a hollow box-shaped construction. The longitudinal support has a width and a height which is greater than the width. The longitudinal support has a cross-section with a profile which changes over its length so that a maximum profile of its cross-section is provided in the region of a wheel axle.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: June 21, 1994
    Inventor: Konrad Steffinger