Patents by Inventor John E. Graham

John E. Graham 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).

  • Patent number: 9089992
    Abstract: Methods of manufacturing a honeycomb structure comprise the step of providing a honeycomb body having a multiplicity of cells extending therethrough between opposing end faces. The cells are defined by intersecting porous walls. The methods further include the steps of applying an after-applied skin layer on the honeycomb body and chamfering an edge of the after-applied skin. The chamfering step is performed on a wet after-applied skin layer.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: July 28, 2015
    Assignee: Corning Incorporated
    Inventors: Jeffrey J. Domey, John E. Graham, Dale R. Hess, Christopher J. Malarkey
  • Publication number: 20080268200
    Abstract: The present invention provides methods for manufacturing a honeycomb filter having an after-applied skin with chamfered edges formed on the face-ends of the honeycomb filter structure. Apparatus for the manufacture of these honeycomb structures having after-applied skin with chamfered edges are also provided.
    Type: Application
    Filed: April 30, 2007
    Publication date: October 30, 2008
    Inventors: Jeffrey J. Domey, John E. Graham, Dale R. Hess, Christopher J. Malarkey
  • Patent number: D272247
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: January 17, 1984
    Assignee: Honeywell Information Systems Inc.
    Inventors: Richard R. Dillon, John E. Graham, David G. Kmetz