Patents by Inventor Ehson M. Ghandehari

Ehson M. Ghandehari 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).

  • Method of fabricating a flexible, low-density thermal protection material
    Patent number: 10427807
    Abstract: A method for preparing a flexible low-density thermal protection material, the method comprising providing a flexible substrate and a pyrolizable material impregnated therein. The thermal protection material remains flexible after impregnation and continues to remain flexible when the pyrolizable material is fully pyrolized.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: October 1, 2019
    Assignee: United States of America as Represented by the Administrator of NASA
    Inventors: Margaret M. Stackpoole, Ehson M. Ghandehari, Jeremy J. Thornton, Melmoth Alan Covington
  • Flexible ablators
    Patent number: 9592923
    Abstract: A low-density article comprising a flexible substrate and a pyrolizable material impregnated therein, methods of preparing, and devices using the article are disclosed. The pyrolizable material pyrolizes above 350 C and does not flow at temperatures below the pyrolysis temperature. The low-density article remains flexible after impregnation and continues to remain flexible when the pyrolizable material is fully pyrolized.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: March 14, 2017
    Assignee: The United States of America as Represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Margaret M. Stackpoole, Ehson M. Ghandehari, Jeremy J. Thornton, Melmoth Alan Covington