Patents by Inventor Judith S. Cohen

Judith S. Cohen 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).

  • Water-polishing loop
    Patent number: 4595498
    Abstract: A water purification system includes an ion-exchange unit for producing high-resistivity water, followed by ozone exposure and ultraviolet sterilizer units that oxidize organics and also reduce resistivity, followed by a vacuum degassification unit to restore high resistivity.
    Type: Grant
    Filed: December 27, 1984
    Date of Patent: June 17, 1986
    Assignee: Thomson Components-Mostek Corporation
    Inventors: Judith S. Cohen, Joel W. Browning, Wilford H. Gopffarth