Patents by Inventor Ernest T. DeMatties

Ernest T. DeMatties 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).

  • Lightning arrester having a double enclosure assembly
    Patent number: 5652690
    Abstract: A lightning arrester module is double-enclosed to insure adequate environmental protection to the enclosed varistors as well as to contain the internal components of the arrester upon severe fault conditions. The internal components including the varistors are compressed within one half section of the inner enclosure and can be handled and tested without disengagement. The other half section of the inner enclosure is positioned over the internal components to complete the inner enclosure before the outer enclosure is arranged thereover to complete the lightning arrester module assembly.
    Type: Grant
    Filed: January 26, 1996
    Date of Patent: July 29, 1997
    Assignee: General Electric Company
    Inventors: Sean F. Mansfield, Larry E. Bock, Ernest T. DeMatties