Patents by Inventor Marcel Somers

Marcel Somers 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).

  • Carburizing in hydrocarbon gas
    Patent number: 8784576
    Abstract: The invention relates to a method of gas carburizing a metallic article, where at least the surface region of the article consists of an alloy with a chromium content of at least 10 wt %. The carburizing is carried out by means of a gas containing carbon, which gas is heated to a temperature below approximately 5500C. The gas is an un-saturated hydrocarbon gas.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: July 22, 2014
    Assignee: Bodycote Netherlands Holding BV
    Inventors: Marcel Somers, Thomas Christiansen
  • Carburizing In Hydrocarbon Gas
    Publication number: 20090178733
    Abstract: The invention relates to a method of gas carburizing a metallic article, where at least the surface region of the article consists of an alloy with a chromium content of at least 10 wt %. The carburizing is carried out by means of a gas containing carbon, which gas is heated to a temperature below approximately 5500C. The gas is an un-saturated hydrocarbon gas.
    Type: Application
    Filed: June 21, 2006
    Publication date: July 16, 2009
    Inventors: Marcel Somers, Thomas Christiansen
  • Case-hardening of stainless steel
    Publication number: 20060090817
    Abstract: The invention relates to case-hardening of a stainless steel article by means of gas including carbon and/or nitrogen, whereby carbon and/or nitrogen atoms diffuse through the surface into the article. The method includes activating the surface of the article, applying a top layer on the activated surface to prevent repassivation. The top layer includes metal which is catalytic to the decomposition of the gas.
    Type: Application
    Filed: July 15, 2003
    Publication date: May 4, 2006
    Inventors: Marcel Somers, Thomas Christiansen, Per Moller