Patents by Inventor David E. Harden

David E. Harden 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).

  • Sol-gel coatings for solar cells
    Patent number: 6768048
    Abstract: Methods for formulating and depositing a sol-gel coating onto a surface of a solar cell to provide improved radiation damage resistance. The sol-gel contains a solvent, alkoxyzirconium and an organosilane, with an organic acid catalyst and optionally a surfactant. The sol-gel coating can be deposited by spraying and the sol-gel coating is cured. The invention reduces manufacturing steps and overall weight of the solar cell array.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: July 27, 2004
    Assignee: The Boeing Company
    Inventors: Suzanne L. B. Woll, Kay Y. Blohowiak, David E. Harden, Harold G. Pippin, Larry K. Olli
  • SOL-GEL COATINGS FOR SOLAR CELLS
    Publication number: 20040107989
    Abstract: Methods for formulating and depositing a sol-gel coating onto a surface of a solar cell to provide improved radiation damage resistance. The sol-gel contains a solvent, alkoxyzirconium and an organosilane, with an organic acid catalyst and optionally a surfactant. The sol-gel coating can be deposited by spraying and the sol-gel coating is cured. The invention reduces manufacturing steps and overall weight of the solar cell array.
    Type: Application
    Filed: December 4, 2002
    Publication date: June 10, 2004
    Inventors: Suzanne L. B. Woll, Kay Y. Blohowiak, David E. Harden, Harold G. Pippen, Larry K. Olli