Patents by Inventor Balasubramanian Saravanan

Balasubramanian Saravanan 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).

  • Thermometer
    Patent number: 7246942
    Abstract: A liquid-in-stem thermometer comprising a stem and/or an envelope having a capillary bore extending along the length of the stem/envelopes, a bulb disposed at one end of the stem/envelope and in fluid communication with the said bore, a junction region between the capillary and the bulb adapted for maximum registration action, a thermometric liquid provided in the bulb, the said thermometric liquid being an aqueous solution of one or more solutes and substantially free of dissolved gases, at least the inner surface of the capillary bore of said stem/envelope having low surface energy characteristics, wherein the surface tension of the thermometric liquid is greater than the surface energy of the said low surface energy material by a factor of at least two.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: July 24, 2007
    Assignee: Conopco, Inc.
    Inventors: Balasubramanian Saravanan, Sambamurthy Jayaraman Suresh, Vijay Mukund Naik, David Chandra Franklin
  • Thermometer
    Publication number: 20050232335
    Abstract: A liquid-in-stem thermometer comprising a stem and/or an envelope having a capillary bore extending along the length of the stem/envelopes, a bulb disposed at one end of the stem/envelope and in fluid communication with the said bore, a junction region between the capillary and the bulb adapted for maximum registration action, a thermometric liquid provided in the bulb, the said thermometric liquid being an aqueous solution of one or more solutes and substantially free of dissolved gases, at least the inner surface of the capillary bore of said stem/envelope having low surface energy characteristics, wherein the surface tension of the thermometric liquid is greater than the surface energy of the said low surface energy material by a factor of at least two.
    Type: Application
    Filed: April 16, 2003
    Publication date: October 20, 2005
    Inventors: Balasubramanian Saravanan, Sambamurthy Suresh, Vijay Naik, David Franklin