Patents by Inventor T. Ranganathan

T. Ranganathan 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).

  • Deoxybenzoin-based anti-flammable polyphosphonate and poly(arylate-phosphonate) copolymer compounds, compositions and related methods of use
    Publication number: 20080033144
    Abstract: Deoxybenzoin-phosphonate and other copolymer compounds, compositions and related methods.
    Type: Application
    Filed: August 1, 2007
    Publication date: February 7, 2008
    Inventors: Todd Emrick, T. Ranganathan, E. Coughlin, Richard Farris, Joseph Zilberman
  • DC-AC Power converter including two high frequency resonant link converters
    Patent number: 4556937
    Abstract: A DC to low frequency AC power conversion system includes two high frequency link inverters and a cycloconverter. DC input is fed to the high frequency links in parallel, and the outputs of the links are fed to a subtractor. The output of the subtractor is then fed to the cycloconverter. The difference between the first high frequency and the second high frequency of twice the respective frequency links is equal to the low frequency.
    Type: Grant
    Filed: October 5, 1983
    Date of Patent: December 3, 1985
    Assignee: Canadian Patents and Development Limited
    Inventors: Phiovos D. Ziogas, V. Thathachary T. Ranganathan