Patents by Inventor Henry L. Griffith

Henry L. Griffith 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).

  • Gas purification process
    Patent number: 7399341
    Abstract: A process for the purification of hydrogen based gas mixtures utilizing zeolite X wherein the particle size distribution of the zeolite X powder has a coefficient of variation from about 15% to about 30%.
    Type: Grant
    Filed: April 26, 2005
    Date of Patent: July 15, 2008
    Assignee: UOP LLC
    Inventors: Kirit M. Patel, Henry Rastelli, Martha S. Buchan, Henry L. Griffith, Michele S. Herron