Patents by Inventor John Porter Henley

John Porter Henley 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 for debindering ceramic honeycombs
    Patent number: 7635446
    Abstract: An organic additive is removed from a ceramic honeycomb by an improved method by contacting each end of the extruded honeycomb with a member that has a gas permeability no greater than the outer wall, the member essentially covering the ends and heating the honeycomb to a temperature sufficient to remove the organic additive.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: December 22, 2009
    Assignee: Dow Global Technologies, Inc.
    Inventors: John Porter Henley, Avani Maulik Patel, Arthur Richard Prunier, Jr., Chan Han