Patents by Inventor Narayana Rao CHALASANI

Narayana Rao CHALASANI 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).

  • Submerged combustion burners and melters, and methods of use
    Patent number: 9777922
    Abstract: Submerged combustion burners having a burner body, a burner tip connected thereto. Submerged combustion melters including the burners and methods of using them to produce molten glass. The burner body has an external conduit and first and second internal conduits substantially concentric therewith, forming first and second annuli for passing a cooling fluid therethrough. The burner tip body is connected to the burner body at ends of the external and second internal conduits. The burner tip includes a generally central flow passage for a combustible mixture, the flow passage defined by an inner wall of the burner tip. The burner tip includes a crown portion defining a circumferential concavity.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: October 3, 2017
    Assignee: Johns Mansville
    Inventors: Subray R Hegde, Narayana Rao Chalasani
  • SUBMERGED COMBUSTION BURNERS AND MELTERS, AND METHODS OF USE
    Publication number: 20160076764
    Abstract: Submerged combustion burners having a burner body, a burner tip connected thereto. Submerged combustion melters including the burners and methods of using them to produce molten glass. The burner body has an external conduit and first and second internal conduits substantially concentric therewith, forming first and second annuli for passing a cooling fluid therethrough. The burner tip body is connected to the burner body at ends of the external and second internal conduits. The burner tip includes a generally central flow passage for a combustible mixture, the flow passage defined by an inner wall of the burner tip. The burner tip includes a crown portion defining a circumferential concavity.
    Type: Application
    Filed: May 22, 2013
    Publication date: March 17, 2016
    Inventors: Subray R HEGDE, Narayana Rao CHALASANI