Patents by Inventor Henri Warnet

Henri Warnet 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).

  • Electrical insulator and method of making same
    Patent number: 4190736
    Abstract: Electrical insulator comprising an ouer tube of dielectric material filled with blocks of dielectric foam and sealed at its ends.The filling is manufactured independently of the tube in a material of substantially compatible coefficient of thermal expansion. The filling is connected to the inner surface of the tube by an adhesive interface material which provides good mechanical and electrical connection between the tube and its filling.Application to electrical insulators which are of large diameter and/or great length.
    Type: Grant
    Filed: July 6, 1977
    Date of Patent: February 26, 1980
    Assignee: Societe Anonyme Dite: Ceraver
    Inventors: Henri Warnet, Paul Fouinat