Patents by Inventor Rune O. W. Fredriksson

Rune O. W. Fredriksson 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).

  • Framework for a basket for heat treating at high temperatures, and a method for manufacturing the same
    Patent number: 4254944
    Abstract: The basket framework is comprised of U-shaped members having large radius bends forming the bottom and sides of the basket without requiring welds between bottom and side members to provide a flexible structure very resistant to damage from repeated thermal expansion and contraction.
    Type: Grant
    Filed: February 7, 1979
    Date of Patent: March 10, 1981
    Assignee: Avesta Jernverks Aktiebolag
    Inventors: Sten von Matern, Rune O. W. Fredriksson