Patents by Inventor Jean-Claude Hugues

Jean-Claude Hugues 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).

  • Fused cast blocks based on refractory oxides and having a steel member embedded therein
    Patent number: 4376805
    Abstract: The invention relates to a fused cast block useful in the construction of steel making furnaces, the block comprising a refractory oxide-based material having embedded therein a steel member which extends over the greater part of the length of the block and emerges from the block on the outer face of the latter, the steel member being embedded in the block in the course of molding the latter and having a cross-section of suitable shape and surface area to impart to the composite block an apparent thermal conductivity at between 500.degree. and 1000.degree. C. of at least 8 Kcal. m./m.sup.2..degree.C. hr.
    Type: Grant
    Filed: December 10, 1980
    Date of Patent: March 15, 1983
    Assignee: Societe Europeenne des Produits Refractaires
    Inventors: Marc Esnoult, Jean-Claude Hugues
  • Refractory pads for walking beam furnaces
    Patent number: 4368038
    Abstract: The invention relates to walking beam furnaces. It concerns a skid pad or lug for walking beam furnaces, which comprises a body made of an oxide-based refractory substance and a shell made of refractory metal alloy surrounding the periphery of the body, means being provided to prevent detachment towards the top of the body in relation to its shell.
    Type: Grant
    Filed: April 24, 1981
    Date of Patent: January 11, 1983
    Assignee: Societe Europeenne des Produits Refractaires
    Inventors: Jean-Marc Bourdon, Jean-Claude Hugues, Marc Esnoult