Patents by Inventor Krishnamurthy Raju

Krishnamurthy Raju 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).

  • Black tea manufacture
    Patent number: 6348224
    Abstract: A method for manufacturing black leaf tea. The method involves macerating freshly plucked tea leaves, treating the leaves with ammonium bicarbonate, fermenting the treated leaves, firing the leaves to arrest fermentation and then drying them to yield black leaf tea.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: February 19, 2002
    Assignee: Lipton, division of Conopco, Inc.
    Inventors: Rajesh Hanamantagouda Patil, Krishnamurthy Raju, Prakesh Dattatraya Virkar