Patents by Inventor Dr. Hansjorg Rieger

Dr. Hansjorg Rieger 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: 4063583
    Abstract: A tire chain with separable chain strands the end links of which are connectable at each separation point by use of two connecting elements which can be hooked into each other and which are each safely connected with an end link, wherein each connecting element has a body comprising at least one portion bounding an insertion slot which portion has a cross-section decreased at its free end at the expense of its width and wherein the width of the insertion slot is smaller than the height of each of those portions of the body which bound the insertion slot.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: December 20, 1977
    Inventors: Dr. Hansjorg Rieger, Leo Kess, Dietmar Holzwarth