Patents by Inventor Erik G. S. Nordstrom

Erik G. S. Nordstrom 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).

  • Vehicle drive wheel with tire and track driven thereby
    Patent number: 5388624
    Abstract: A vehicle drive wheel including a pneumatic tire mounted on a rim is provided with a track driven by the tire. The track comprises tire-supporting elements. At least those portions of the outer surfaces of the tire which come into contact with the inner portions of the tire-supporting elements comprise an outer rubber layer which has a high wear resistance and low-friction properties and 50-100% of the rubber is butadiene rubber. Also, an admixture of natural rubber and/or styrene-butadiene rubber can be added to the outer rubber layer in an amount of from 0 parts by weight of the admixture per part by weight of butadiene rubber to less than one part by weight of the admixture per part by weight of butadiene rubber.
    Type: Grant
    Filed: March 24, 1992
    Date of Patent: February 14, 1995
    Assignee: Trelleborg AB
    Inventors: Erik G. S. Nordstrom, Carl-Gustav B. C. Victor