Patents by Inventor David Mallette

David Mallette 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 refining non-ferrous metal
    Publication number: 20070175298
    Abstract: A method for refining non-ferrous metal wherein a stream of oxygen containing gas is provided from a lance into the headspace of a refining vessel for passage to the molten metal bath within the refining vessel, and a flame envelope is provided around and along the oxygen containing gas stream for a portion of its length, wherein the flame envelope simultaneously serves to keep accretions from forming on the lance face and serves to maintain the oxygen-containing gas stream coherent.
    Type: Application
    Filed: February 2, 2006
    Publication date: August 2, 2007
    Inventors: Adrian Deneys, Eric Mackenzie, William Mahoney, Jin Liu, Anthony Edward Warner, David Hall, David Mallette