Patents by Inventor Louis H. Silverman

Louis H. Silverman 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).

  • Electrostatic water treatment apparatus
    Patent number: 4024047
    Abstract: Electrostatic water treating apparatus having a hollow charging electrode with an external impervious dielectric coating immersed in the water to be treated in which the interior of the electrode is kept dry by a water tight cap telescoped over the dielectric coating and having an O-ring seal with its wet side engaging the water and its dry side vented to the atmosphere.
    Type: Grant
    Filed: January 20, 1976
    Date of Patent: May 17, 1977
    Assignee: Progressive Equipment Corporation
    Inventors: David C. Clark, Louis H. Silverman, John K. Barnard