Patents by Inventor David K. McCarthy

David K. McCarthy 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: 4508796
    Abstract: A cathode for use in a thermal battery, comprising a chromium (V) compound. The preferred materials for this use are Ca.sub.5 (CrO.sub.4).sub.3 Cl, Ca.sub.5 (CrO.sub.4).sub.3 OH, and Cr.sub.2 O.sub.5. The chromium (V) compound can be employed as a cathode material in ambient temperature batteries when blended with a suitably conductive filler, preferably carbon black.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: April 2, 1985
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Frank M. Delnick, Ronald A. Guidotti, David K. McCarthy