Patents by Inventor David E. Freshcoln

David E. Freshcoln 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).

  • Oil/water separator with enhanced in-situ cleaning
    Patent number: 7163107
    Abstract: In-situ cleaning of the bilgewater processing plates of stacks within a treatment tank chamber of a 50-gpm oil/water separator is performed by an injected chemical cleaning agent dispersed by diverted flow of pressurized air introduced into the tank chamber below the plate stacks by emergence of air bubbles from plural branches of an air sparging array system positioned in underlying alignment with crest formations on the processing plates. The air sparging array system consists of an upper and lower tank arrays.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: January 16, 2007
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Stephan J. Verosto, Mario DiValentin, David O. Ferchau, Michael Honan, J. William Citino, III, David E. Freshcoln