Patents by Inventor Henri Ardyna

Henri Ardyna 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).

  • Composite material insulative jacket for generator circuit-breakers
    Patent number: 6339202
    Abstract: A composite material tubular insulative jacket contains a dielectric gas under pressure and electrical switchgear and includes a metallic collar fixed to one end at least and provided with a member for fixing the collar to a support member. A seal is disposed between the support member and the jacket. A metallic insert is attached to this end of the jacket by an interference fit and by gluing, the seal being disposed between the insert and the support member.
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: January 15, 2002
    Assignee: GEC Alsthom T&D SA
    Inventors: Henri Ardyna, Marc Durieu, François Biquez