Patents by Inventor Thomas Louchard

Thomas Louchard 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).

  • Fluorescent lamp post-production heating structure and fluorescent lamp produced therefrom
    Patent number: 7102291
    Abstract: A fluorescent lamp post-production heating structure allows for even dispersion of mercury and other lamp compounds throughout the entire length of assembled fluorescent lamps by allowing uniform and thorough heating of each lamp's sealed chamber containing these materials to a temperature high enough to vaporize the mercury therein.
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: September 5, 2006
    Assignee: Hewlett-Packard Development Company
    Inventors: Yohei Yamamuro, Thomas Louchard, Thomas J. Roetker
  • Fluorescent lamp post-production heating structure and fluorescent lamp produced therefrom
    Publication number: 20040053554
    Abstract: A fluorescent lamp post-production heating structure allows for even dispersion of mercury and other lamp compounds throughout the entire length of assembled fluorescent lamps by allowing uniform and thorough heating of each lamp's sealed chamber containing these materials to a temperature high enough to vaporize the mercury therein.
    Type: Application
    Filed: August 28, 2003
    Publication date: March 18, 2004
    Inventors: Yohel Yamamuro, Thomas Louchard, Thomas J. Roetker
  • Fluorescent lamp and method for production
    Patent number: 6656006
    Abstract: A method and lamp produced by using this method for evenly disbursing mercury and other lamp compounds throughout the entire length of assembled fluorescent lamps by uniformly and thoroughly heating each lamp's sealed chamber containing these materials to a temperature high enough to vaporize the mercury therein.
    Type: Grant
    Filed: January 31, 2002
    Date of Patent: December 2, 2003
    Assignee: Hewlett-Packard Development Company, LP.
    Inventors: Yohei Yamamuro, Thomas Louchard, Thomas J. Roetker
  • Fluorescent lamp and method for production
    Publication number: 20030143913
    Abstract: A method and lamp produced by using this method for evenly disbursing mercury and other lamp compounds throughout the entire length of assembled fluorescent lamps by uniformly and thoroughly heating each lamp's sealed chamber containing these materials to a temperature high enough to vaporize the mercury therein.
    Type: Application
    Filed: January 31, 2002
    Publication date: July 31, 2003
    Inventors: Yohei Yamamuro, Thomas Louchard, Thomas J. Roetker