Patents by Inventor Pal Runde

Pal Runde 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: 7232544
    Abstract: The invention relates to an apparatus for continuous slag treatment of molten silicon for removal of one a more impurity elements from the silicon, the apparatus comprising a vessel (1) intended to contain molten silicon and liquid slag.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: June 19, 2007
    Assignee: Elkem AS
    Inventors: Torfinn Buseth, Kenneth Friestad, Pal Runde
  • Publication number: 20040258588
    Abstract: The invention relates to an apparatus for continuous slag treatment of molten silicon for removal of one a more impurity elements from the silicon, the apparatus comprising a vessel (1) intended to contain molten silicon and liquid slag.
    Type: Application
    Filed: April 8, 2004
    Publication date: December 23, 2004
    Inventors: Torfinn Buseth, Kenneth Friestad, Pal Runde