Patents by Inventor Ram Chandran

Ram Chandran 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).

  • Fin tube assembly for heat exchanger and method
    Patent number: 7293602
    Abstract: A fin and tube assembly for use in a heat exchanger comprising a carbon steel tube, a carbon steel fin, and an external brazing compound comprising a material selected from the group consisting of nickel, chrome, copper, aluminum, zinc, and graphite brazed to the tube and fin is disclosed. A method for making the assembly and a power plant which includes the assembly are also disclosed. The brazing compound functions to prevent corrosion of the carbon steel and also functions to attach the tube and fin together.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: November 13, 2007
    Assignee: Holtec International Inc.
    Inventors: Ranga Nadig, Ram Chandran, Michael Phipps
  • Fin tube assembly for heat exchanger and method
    Publication number: 20060289151
    Abstract: A fin and tube assembly for use in a heat exchanger comprising a carbon steel tube, a carbon steel fin, and an external brazing compound comprising a material selected from the group consisting of nickel, chrome, copper, aluminum, zinc, and graphite brazed to the tube and fin is disclosed. A method for making the assembly and a power plant which includes the assembly are also disclosed. The brazing compound functions to prevent corrosion of the carbon steel and also functions to attach the tube and fin together.
    Type: Application
    Filed: June 22, 2005
    Publication date: December 28, 2006
    Inventors: Ranga Nadig, Ram Chandran, Michael Phipps