Patents by Inventor Nicholas Stuart van der Lugt

Nicholas Stuart van der Lugt 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: 6284190
    Abstract: An apparatus and method are described for recovering metal from dross. The apparatus comprises a chamber having an opening to receive the dross and an agitating member mounted in the chamber. The agitating member is driven so that it agitates the dross in the chamber so as to release the metal from the oxide of the dross. The chamber also has an outlet through which the recovered metal and residual oxide are discharged.
    Type: Grant
    Filed: November 11, 1999
    Date of Patent: September 4, 2001
    Inventors: Nicholas Stuart van der Lugt, John Willmore