Patents by Inventor Christian Lyonnet

Christian Lyonnet 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 for the manufacture of a profile for metal joinery having a thermal gap
    Patent number: 4369562
    Abstract: A method that relates to the manufacture of composite profiles made of metal and plastic, in which suitably shaped thin metal profiles are applied against the internal surface of a rigid mold and injecting a foamed plastic between the two profiles, the tightness between the two profiles being provided by an elastomer jointing.
    Type: Grant
    Filed: April 6, 1978
    Date of Patent: January 25, 1983
    Assignee: Societe de vente de L'Aluminium Pechniney
    Inventor: Christian Lyonnet