Patents by Inventor Philippe Lagain

Philippe Lagain 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).

  • Laser surface treatment nozzle with powder supply
    Patent number: 5111021
    Abstract: To make it possible to carry out different types of surface treatment by laser, with powder supply or addition, such as surface depositiotn, alloying or incrustation, a nozzle (12) is proposed, whose body (16) can occupy an axially regulatable position with respect to the support (10) in which is located the focussing lens for the laser beam (F). In addition, the body (16) supports a protective skirt (56), whose axial position is also regulatable and which can be brought into contact with the surface of the substrate (S).
    Type: Grant
    Filed: September 12, 1991
    Date of Patent: May 5, 1992
    Assignee: Societe Nationale Industrielle et Aerospatiale
    Inventors: Pascal Jolys, Philippe Lagain