Patents by Inventor Jeffrey L. Blackwell

Jeffrey L. Blackwell 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: 6487879
    Abstract: This invention relates to production of high purity fused silica glass doped with titania using titanium chelates. Useful chelates include titanium acetylacetonate, and titanium ethyl acetoacetate among others.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: December 3, 2002
    Assignee: Corning Incorporated
    Inventors: Jeffrey L. Blackwell, David Dasher, A. Renee Sutton, Carlton M. Truesdale
  • Patent number: 6374642
    Abstract: An apparatus for producing a glass soot includes a first a burner having a droplet-emitting first region, a gas-emitting second region surrounding the first region, and a gas-emitting third region surrounding the second region. The first region emits a glass-forming mixture, the second region emits an inert gas, and the third region emits a combination of oxygen and a combustible gas. The apparatus further includes a combustion area having a first section proximate the first burner and a second section distal from the first burner. A glass-forming mixture is at least partially vaporized in the first section of the combustion area. The apparatus further includes at least one secondary burner having gas-emitting fourth and fifth regions. The fourth region of the secondary burner emits oxygen and the fifth region of the secondary burner emits a combustible gas.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: April 23, 2002
    Assignee: Corning Incorporated
    Inventors: Jeffrey L. Blackwell, Lisa A. Moore, Huailiang Wei, Daniel W. Hawtof