Patents by Inventor Herbert David Johnson

Herbert David Johnson 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).

  • Process for cleaning a glass-coating reactor using a reactive gas
    Patent number: 6857433
    Abstract: A process for cleaning a glass-coating reactor includes: (a) providing the reactor to be cleaned, wherein the reactor contains a glass substrate within a chamber and the chamber has an internal surface coated with at least one substance selected from the group consisting of Si3N4 or SiO2; (b) terminating a flow of a deposition gas to the reactor; (c) adding to the reactor at least one cleaning gas to react with the at least one substance to form at least one volatile product; and (d) removing from the reactor the at least one volatile product.
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: February 22, 2005
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Philip Bruce Henderson, Mario Joseph Moniz, Andrew David Johnson, Eugene Joseph Karwacki, Jr., Richard R. Bodette, Christopher Robert Cording, Herbert David Johnson
  • Glass-coating reactor cleaning with a reactive gas
    Publication number: 20040011385
    Abstract: A process for cleaning a glass-coating reactor includes: (a) providing the reactor to be cleaned, wherein the reactor contains a glass substrate within a chamber and the chamber has an internal surface coated with at least one substance selected from the group consisting of Si3N4 or SiO2; (b) terminating a flow of a deposition gas to the reactor; (c) adding to the reactor at least one cleaning gas to react with the at least one substance to form at least one volatile product; and (d) removing from the reactor the at least one volatile product.
    Type: Application
    Filed: July 22, 2002
    Publication date: January 22, 2004
    Inventors: Philip Bruce Henderson, Mario Joseph Moniz, Andrew David Johnson, Eugene Joseph Karwacki,, Richard R. Bodette, Christopher Robert Cording, Herbert David Johnson