Patents by Inventor John P. Du Pont

John P. Du Pont 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: 4352139
    Abstract: A gapless arrestor assembly for a high voltage bushing including an insulating elastomeric housing having a bore formed in one portion thereof and a receptacle formed in another portion thereof and a surge arrester assembly positioned in the bore in said housing, the arrester assembly being formed from one or more surge arrester blocks and including a connector element at the inner end of the arrester blocks, the connector element being movably connected to the surge arrester blocks and a probe contact positioned in the receptacle and rigidly connected to the connector element, the connector element allowing movement of the probe contact independent of the arrester blocks.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: September 28, 1982
    Assignee: RTE Corporation
    Inventors: John P. Du Pont, Hatim H. Taj, Randall R. Schoenwetter, Theodore J. Vanlankvelt, Robert E. Kwiatkowski, Richard W. Lange