Patents by Inventor Roger L. Strand

Roger L. Strand 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).

  • Process for disinfecting water by controlling oxidation/reduction potential
    Patent number: 5348664
    Abstract: A method is disclosed for the treatment of water, containing an oxidizing agent, flowing through a conduit or contained in a vessel. The oxidation reduction potential or the ORP of the water is continuously measured at a sensing position and a reducing agent is fed to the water in response to the measured ORP to neutralize the oxidizing agent and maintain a desired concentration of reducing agent residuals in the water at the second sensing position.
    Type: Grant
    Filed: October 28, 1992
    Date of Patent: September 20, 1994
    Assignee: Stranco, Inc.
    Inventors: Yong H. Kim, Roger L. Strand