Patents by Inventor Gijsbrecht Coenraad Van Deventer

Gijsbrecht Coenraad Van Deventer 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).

  • Patent number: 4011396
    Abstract: A high voltage cable filled with an insulation gas under an operating pressure of more than 1 Bar, in which one or more conductors are supported by insulators, embedded in a tubular sheath of interconnected rigid elements and in which the gas-filled spaces of adjacent segments are connected together through a sealing element which is open under operating conditions and is closed when the pressures in the adjacent segments differ by more than a predetermined pressure difference.
    Type: Grant
    Filed: December 6, 1974
    Date of Patent: March 8, 1977
    Assignee: N.K.F. Kabel B.V.
    Inventors: Gijsbrecht Coenraad Van Deventer, Gerard Adriaan Visser