Patents by Inventor Modjtaba Hirbod

Modjtaba Hirbod 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 for surface treatment of metal alloys
    Patent number: 4929287
    Abstract: A method for improving the corrosion/erosion resistance of Fe-based, Co-based, or Ni-based alloys included in power plants for combustion in a a fluidized bed. The method is characterized in that the surface of the metal alloy is treated in a multi-step combination treatment to provide an adherent and protective surface layer.
    Type: Grant
    Filed: September 22, 1988
    Date of Patent: May 29, 1990
    Assignee: ABB Stal AB
    Inventor: Modjtaba Hirbod