Patents by Inventor John ROTOLE

John ROTOLE 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 of annealing steel sheets
    Patent number: 10570472
    Abstract: A method of annealing of steel sheets is provided which includes a first step consisting in fully oxidizing the surface of such steel sheet thus creating a fully oxided surface layer, a second step consisting in selectively oxidizing elements other than iron of such steel, in an area extending under said fully oxided layer, thus creating a selectively oxided internal layer and a third step consisting in fully reducing said fully oxided surface layer.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: February 25, 2020
    Assignee: ArcelorMittal
    Inventors: John Rotole, Jonas Staudte, Jean-Michel Mataigne
  • METHOD OF ANNEALING STEEL SHEETS
    Publication number: 20160304980
    Abstract: A method of annealing of steel sheets is provided which includes a first step consisting in fully oxidizing the surface of such steel sheet thus creating a fully oxided surface layer, a second step consisting in selectively oxidizing elements other than iron of such steel, in an area extending under said fully oxided layer, thus creating a selectively oxided internal layer and a third step consisting in fully reducing said fully oxided surface layer.
    Type: Application
    Filed: December 10, 2013
    Publication date: October 20, 2016
    Inventors: John ROTOLE, Jonas STAUDTE, Jean-Michel MATAIGNE