Patents by Inventor Glenn J. Sundberg

Glenn J. Sundberg 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: 5773147
    Abstract: This invention relates to an apparatus comprising:a) a article having a composition selected from the group consisting of graphite, carbon/carbon, carbon/graphite, and mixtures thereof, andb) a ceramic coating thereon, wherein the ceramic coating comprises a material selected from the group consisting of:i) a ceramic having an average thermal expansion coefficient of between 2 and 8.times.10.sup.-6 /.degree. C. between 22.degree. C. and 1200.degree. C. which is also phase stable in the temperature range of 22.degree. C. and 1450.degree. C., andii) alumina having at least 99% purity.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: June 30, 1998
    Assignee: Saint-Gobain/Norton Industrial Ceramics Corp.
    Inventor: Glenn J. Sundberg