Patents by Inventor Xavier Doussot

Xavier Doussot 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).

  • Low pressure carbonitriding method and device
    Patent number: 8784575
    Abstract: A method for carbonitriding a steel part arranged in an enclosure maintained at a reduced internal pressure, the part being maintained at a temperature level, comprising an alternation of first and second steps, a carburizing gas being injected into the enclosure during the first steps only and a nitriding gas being injected into the enclosure only during at least part of at least two second steps.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: July 22, 2014
    Assignee: ECM Technologies
    Inventors: Jean Berlier, Aymeric Goldsteinas, Xavier Doussot
  • Low pressure carbonitriding method and device
    Patent number: 8303731
    Abstract: A method for carbonitriding a steel part arranged in an enclosure maintained at a reduced internal pressure, the part being maintained at a temperature level, comprising an alternation of first and second steps, a carburizing gas being injected into the enclosure during the first steps only and a nitriding gas being injected into the enclosure only during at least part of at least two second steps.
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: November 6, 2012
    Assignee: ECM Technologies
    Inventors: Jean Berlier, Aymeric Goldsteinas, Xavier Doussot
  • Low pressure carbonitriding method and device
    Publication number: 20110036462
    Abstract: A method for carbonitriding a steel part arranged in an enclosure maintained at a reduced internal pressure, the part being maintained at a temperature level, comprising an alternation of first and second steps, a carburizing gas being injected into the enclosure during the first steps only and a nitriding gas being injected into the enclosure only during at least part of at least two second steps.
    Type: Application
    Filed: April 19, 2006
    Publication date: February 17, 2011
    Inventors: Jean Berlier, Aymeric Goldsteinas, Xavier Doussot