Patents by Inventor Joel L'Huillier

Joel L'Huillier 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).

  • Process and plant for metallization of cast-iron pipes
    Patent number: 6214420
    Abstract: A plant for metallization of a metal pipe obtained by upward vertical continuous casting and displaced vertically in a continuous manner, includes, along the path of the pipe, a metallization station having a passage for the pipe, a metallization enclosure (6), spray guns (11) mounted inside the enclosure on an oscillating plate (10) surrounding the path, means for supplying each gun with metallization material (12), and a device for causing oscillation of the support plate and for displacing the guns inside the enclosure with an oscillating movement, the frequency and angular amplitude of which ensure the formation of a coating of uniform thickness.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: April 10, 2001
    Assignee: Pont-A-Mousson
    Inventors: Denis Girardin, Christophe Lamouret, Joel L'Huillier