Patents by Inventor Jean-Pierre Druet

Jean-Pierre Druet 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 and apparatus for the sintering of a mineral using gaseous fuel
    Patent number: 4501609
    Abstract: A method and apparatus are disclosed for the sintering of an ore using gaseous fuel. A layer of noncombustible particulate mineral material is arranged on a supporting grate, and hot fumes derived from gaseous fuel are passed downwardly through the layer of material. The temperature of the hot fumes is sufficient to initiate fusion or sintering of the mineral material. Predrying, sintering and cooling means are provided along the length of the supporting grate in order to effect the desired sintering.
    Type: Grant
    Filed: January 24, 1984
    Date of Patent: February 26, 1985
    Assignee: Societe Lorraine de Laminage Continu SOLLAC
    Inventor: Jean-Pierre Druet