Patents by Inventor Michel Hugo

Michel Hugo 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).

  • Heat resisting nickel-chromium alloy having high resistance to oxidation, carburization and creep at high temperatures
    Patent number: 4063934
    Abstract: The heat resisting alloy of the invention has a high resistance to oxidation, carburization and creep at very high temperatures; its composition is as follows (in % by weight):______________________________________ Ni 24 - 53 Cr 20 - 44 C 0.01 - 0.6 Mn 0.1 - 1.5 Si 1.3 - 3 Nb 0.5 - 3 N 0.05 - 0.2 (W + Mo) 0.2 - 5 Fe 0 - 47 Cu 0 - 5 ______________________________________The minimum copper content in case the alloy contains tungsten and less than 40% nickel is at least 0.1%; the Ni/Cr ratio is between 1.20 and 1.40.
    Type: Grant
    Filed: February 24, 1976
    Date of Patent: December 20, 1977
    Assignee: Acieries du Manoir Pompey
    Inventors: Jacques Thuillier, Michel Hugo