Patents by Inventor Ravisankar NARAPARAJU

Ravisankar NARAPARAJU 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).

  • CMAS-resistant protective layer
    Patent number: 11512383
    Abstract: The present invention relates to a protective layer against CMAS, to a CMAS-resistant article comprising the protective layer according to the invention, and to a process for preparing a corresponding article.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: November 29, 2022
    Assignee: DEUTSCHES ZENTRUM FÜR LUFT-UND RAUMFAHRT E.V.
    Inventor: Ravisankar Naraparaju
  • Non-destructive CMAS-infiltration characterization of thermal barrier coatings
    Patent number: 10837918
    Abstract: The present invention provides a non-destructive method of characterizing CMAS infiltration and CMAS assisted damage in thermal barrier coatings (TBCs). Such approach is especially relevant for determining the lifetime of coatings on e.g. turbines or parts of the turbines such as blades or in-liners of the combustion chambers. The turbines can be gas turbines or high-pressure turbines or others and may be stationary or used for example in aviation.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: November 17, 2020
    Assignees: Deutsches Zentrum für Luft-und Raumfahrt e.V, University of Central Florida Research Foundation, Inc.
    Inventors: Ravisankar Naraparaju, Uwe Schulz, Seetha Raghavan, Estefania Bohorquez
  • NON-DESTRUCTIVE CMAS-INFILTRATION CHARACTERIZATION OF THERMAL BARRIER COATINGS
    Publication number: 20190293567
    Abstract: The present invention provides a non-destructive method of characterizing CMAS infiltration and CMAS assisted damage in thermal barrier coatings (TBCs). Such approach is especially relevant for determining the lifetime of coatings on e.g. turbines or parts of the turbines such as blades or in-liners of the combustion chambers. The turbines can be gas turbines or high-pressure turbines or others and may be stationary or used for example in aviation.
    Type: Application
    Filed: March 23, 2018
    Publication date: September 26, 2019
    Inventors: Ravisankar NARAPARAJU, Uwe SCHULZ, Seetha RAGHAVAN, Estefania BOHORQUEZ
  • CMAS-Resistant Protective Layer
    Publication number: 20190062898
    Abstract: The present invention relates to a protective layer against CMAS, to a CMAS-resistant article comprising the protective layer according to the invention, and to a process for preparing a corresponding article.
    Type: Application
    Filed: August 17, 2018
    Publication date: February 28, 2019
    Inventor: Ravisankar NARAPARAJU