Patents by Inventor Claude Friou

Claude Friou 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).

  • Gas expansion silencer
    Patent number: 7416050
    Abstract: A gas expansion silencer comprising an endpiece for being connected to a source of gas under pressure, and a low-pressure stage comprising two cylindrical portions respectively of smaller diameter and of larger diameter, the smaller-diameter portion being connected to the endpiece and the larger-diameter portion having gas outlet orifices, the low-pressure stage being entirely filled with a porous metal packing.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: August 26, 2008
    Assignee: Bertin Technologies
    Inventor: Claude Friou
  • Gas expansion silencer
    Publication number: 20040256174
    Abstract: A gas expansion silencer comprising an endpiece for being connected to a source of gas under pressure, and a low-pressure stage comprising two cylindrical portions respectively of smaller diameter and of larger diameter, the smaller-diameter portion being connected to the endpiece and the larger-diameter portion having gas outlet orifices, the low-pressure stage being entirely filled with a porous metal packing.
    Type: Application
    Filed: May 7, 2004
    Publication date: December 23, 2004
    Applicant: Bertin Technologies
    Inventor: Claude Friou