Patents Represented by Attorney Ivan L. Erickson

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  • Method of fabricating arc limiting refractory resistive element
    Patent number: 4487733
    Abstract: An arc limiting refractory resistive element is fabricated from aluminum oxide, carbon black and a sintering aid. The fabricating process includes compacting a mixture of the materials, sintering the compact in an inert atmosphere, then oxidizing the outer region of the sintered compact to form a non-conductive sheath around the electrically conductive material.
    Type: Grant
    Filed: July 15, 1983
    Date of Patent: December 11, 1984
    Assignee: GTE Laboratories Incorporated
    Inventors: Frank C. Palilla, Burton W. MacAllister, Jr., John F. McKenna