Patents by Inventor Hirak Dutt

Hirak Dutt 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).

  • Method And Apparatus For Storing Heat Energy
    Publication number: 20070209365
    Abstract: A method of and an apparatus for storing heat energy in a body of graphite at an elevated temperature are disclosed. The method comprises heating an inner region of a body of graphite when it is required to store the heat energy and recovering the heat by way of a heat exchanger, when the energy is required to be used. The apparatus is suitable for the storage of renewable energy and electric energy obtainable from off peak periods of supply.
    Type: Application
    Filed: March 14, 2005
    Publication date: September 13, 2007
    Applicant: Larkden Pty Limited
    Inventors: Steven Hamer, Stephen Hollis, Richard Gentle, Hirak Dutt