Patents by Inventor Valliyur Rao

Valliyur Rao 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).

  • Methods using fluorosulfones for extinguishing fire, preventing fire, and reducing or eliminating the flammability of a flammable working fluid
    Publication number: 20050051752
    Abstract: The present invention relates to methods of using fluorosulfones for i) extinguishing fire by applying to the fire such a fluorosulfone, ii) preventing fire in an air-containing enclosed area containing combustible materials by introducing into the area such a fluorosulfone and maintaining the fluorosulfone in an amount sufficient to suppress combustion of combustible materials in the enclosed area, and iii) reducing or eliminating the flammability of a flammable working fluid, by mixing between about 0.1 to about 99 percent by weight of such a fluorosulfone with the flammable working fluid.
    Type: Application
    Filed: August 11, 2004
    Publication date: March 10, 2005
    Inventors: Allen Sievert, Mario Nappa, Valliyur Rao, Paul Resnick