Patents by Inventor David W. Epperly

David W. Epperly 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).

  • Method and apparatus for water purification
    Patent number: 5571385
    Abstract: A water purification method and apparatus is described which distills a contaminated water supply having contaminants dissolved therein with electrically powered spaced apart immersion electrodes. When connected to a source of alternating electrical current, the electrode members cooperate to distill water by heating while concurrently removing the contaminants as solid precipitates in the contaminated remaining water.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: November 5, 1996
    Assignee: Cleveland State University
    Inventors: Mircea Faur, Maria Faur, David W. Epperly