Patents by Inventor Chaminda P. Samaranayake

Chaminda P. Samaranayake 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).

  • Apparatus and method for measurement of pH over a wide range of pressure
    Patent number: 8274293
    Abstract: A sensor for measuring the pH of a solution of the present invention includes: (a) a tubular body portion constructed from a flexible electrically-insulating material, the tubular body portion having an interior passage; (b) a first reverse osmosis membrane disposed in the interior passage; (c) a second reverse osmosis membrane disposed in the interior passage; (d) a proton conducting membrane disposed between the first reverse osmosis membrane and the second reverse osmosis membrane in the interior passage; (e) a first electrode; and (f) a second electrode.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: September 25, 2012
    Assignee: The Ohio State University Research Foundation
    Inventors: Sudhir K. Sastry, Chaminda P. Samaranayake
  • APPARATUS AND METHOD FOR MEASUREMENT OF pH OVER A WIDE RANGE OF PRESSURE
    Publication number: 20110248731
    Abstract: A sensor for measuring the pH of a solution of the present invention comprises: (a) a tubular body portion constructed from a flexible electrically-insulating material, the tubular body portion having an interior passage; (b) a first reverse osmosis membrane disposed in the interior passage; (c) a second reverse osmosis membrane disposed in the interior passage; (d) a proton conducting membrane disposed between the first reverse osmosis membrane and the second reverse osmosis membrane in the interior passage; (e) a first electrode; and (f) a second electrode.
    Type: Application
    Filed: September 10, 2008
    Publication date: October 13, 2011
    Inventors: Sudhir K. Sastry, Chaminda P. Samaranayake