Patents by Inventor Jan Schokkenbroek

Jan Schokkenbroek 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).

  • Method for repairing ingot molds and apparatus therefor
    Patent number: 3970814
    Abstract: An improved method for repairing cavities in ingot molds is disclosed. The method comprises feeding repair material through a hollow electrode into the area of the cavity whereby the ingot mold being repaired can be maintained continuously molten in the area of repair.
    Type: Grant
    Filed: September 10, 1974
    Date of Patent: July 20, 1976
    Assignee: Elkem-Spigerverket A/S
    Inventors: Arne Georg Arnesen, Jan Schokkenbroek