Patents by Inventor Husantha G. Jayaratna

Husantha G. Jayaratna 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).

  • Mercury thread electrode
    Patent number: 5547553
    Abstract: An improved mercury electrode for electrochemical analysis is formed by a small diameter thread of liquid mercury contained within an inert tube which, at one point along its length, has an short, fixed length of thin walled tubular semipermeable membrane surrounding and forming the electrodes' active surface in order to prevent or reduce fouling of the surface while allowing the mercury thread to be advanced through the membrane to expose a fresh active surface whenever desired.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: August 20, 1996
    Assignee: Bioanalytical Systems, Inc.
    Inventor: Husantha G. Jayaratna