Patents by Inventor Joseph E. Covillion

Joseph E. Covillion 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).

  • Heating system
    Patent number: 4447712
    Abstract: A system for space heating a dwelling, office and the like having a plurality of heating means and having a control mechanism for sequentially actuating said heating means to actuate only one said heating means at a time.
    Type: Grant
    Filed: February 24, 1982
    Date of Patent: May 8, 1984
    Inventor: Joseph E. Covillion