Patents by Inventor Earl J. Martchenke

Earl J. Martchenke 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).

  • Accumulator program for electroplating energy
    Patent number: 4006071
    Abstract: A time accumulator control for an electrolytic process including an on/off control for the electrolytic current generator which is operated by an accumulator for multiplying the time duration of a given input signal.
    Type: Grant
    Filed: May 19, 1975
    Date of Patent: February 1, 1977
    Inventor: Earl J. Martchenke