Patents by Inventor Johan Pierre Devilliers

Johan Pierre Devilliers 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: 6537342
    Abstract: Apparatus for a metal reduction and melting process, in which a metal and carbon-containing burden is heated in an induction furnace including a heating vessel in which the burden can float in at least one heap on a liquid metal bath in the vessel, is characterized in that the apparatus includes at least one induction heater or inductor located at the bottom center line of the vessel, with the longitudinal access oriented perpendicular to the access of the vessel.
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: March 25, 2003
    Assignee: Ipcor NV
    Inventors: Louis Johannes Fourie, Johan Pierre Devilliers