Patents by Inventor Jean C. Werguin

Jean C. Werguin 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).

  • Cast cold rolling roll and its method of manufacture
    Patent number: 4548653
    Abstract: The composite bimetallic roll for cold rolling obtained by casting comprises a heart metal constituted by a nodular or lamellar cast iron and a case metal constituted by a steel having a chromium content of 8 to 16% and a carbon content of 0.65 to 0.95%. The chromium/carbon ratio is between 11 and 16 and the structure of the case metal is martensitic with a content of residual austenite of less than 10%.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: October 22, 1985
    Assignee: Union Siderurgique du Nord et de L'est de la France (USINOR)
    Inventors: Jacques Bocquet, Jean C. Werguin