Patents by Inventor M. Atman Benbahmed

M. Atman Benbahmed 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).

  • Steel alloy and a component comprising such a steel alloy
    Patent number: 10450644
    Abstract: A carburisable steel alloy suitable for bearing components comprising, in percent by weight: C 0.05-0.5 wt. % Cr 2.5-5.0 wt. %, Mo 4-6 wt. %, W 2-4.5 wt. %, V 1-3 wt. %, Ni 2-4 wt. %, Co 2-8 wt. %, optionally one or more of the following elements: Nb 0-2 wt. % N 0-0.5 wt. % Si 0-0.7 wt. %, Mn 0-0.7 wt. %, Al 0-0.1 5 wt. %, wherein the combined amount of Nb+V is within the range 1-3.5 wt. %, the combined amount of C+N is within the range 0.05-0.5 wt. %, the balance being Fe and unavoidable impurities.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: October 22, 2019
    Assignees: ERASTEEL, AUBERT & DUVAL
    Inventors: Johanna André, Fredrik Sandberg, M. Atman Benbahmed, Jacques Bellus
  • A STEEL ALLOY AND A COMPONENT COMPRISING SUCH A STEEL ALLOY
    Publication number: 20160298225
    Abstract: A carburisable steel alloy suitable for bearing components comprising, in percent by weight: C 0.05-0.5 wt. % Cr 2.5-5.0 wt. %, Mo 4-6 wt. %, W 2-4.5 wt. %, V 1 -3 wt. %, Ni 2-4 wt. %, Co 2-8 wt. %, optionally one or more of the following elements: Nb 0-2 wt. % N 0-0.5 wt. % Si 0-0.7 wt. %, Mn 0-0.7 wt. %, Al 0-0.1 5 wt. %, wherein the combined amount of Nb+V is within the range 1 -3.5 wt. %, the combined amount of C+N is within the range 0.05-0.5 wt. %, the balance being Fe and unavoidable impurities.
    Type: Application
    Filed: November 28, 2014
    Publication date: October 13, 2016
    Inventors: Johanna Olofsson, Fredrik Sandberg, M. Atman Benbahmed, Jacques Bellus