Patents by Inventor Kjell Magne Dalen

Kjell Magne Dalen 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: 7407345
    Abstract: A method and a system distribute fluidizable materials from a reservoir of materials to one or more material receiving units. The distribution system has at least two hydraulic levels between the reservoir and the material receiving units. The system further includes a fluidizing element with good dynamic response properties. The system can be used for distribution of alumina and/or fluoride to feeding equipment in electrolysis cells with a reduced consumption of fluidizing gas.
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: August 5, 2008
    Assignee: NorskHydro ASA
    Inventors: Morten Karlsen, Bernt Nagell, Kjell Magne Dalen
  • Publication number: 20040191007
    Abstract: The present invention relates to a method and a system for distribution of fluidisable materials from a reservoir (1) of materials to one or more material receiving units. In accordance with the invention the distribution system has at least two hydraulic levels between the reservoir and the material receiving units. The system further includes a novel fluidising element with good dynamic response properties. The system may preferably be used for distribution of alumina and/or fluoride to feeding equipment in electrolysis cells with a reduced consume of fluidising gas.
    Type: Application
    Filed: May 6, 2004
    Publication date: September 30, 2004
    Inventors: Morten Karlsen, Bernt Nagell, Kjell Magne Dalen