Patents by Inventor David E. Cottingim

David E. Cottingim 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).

  • Thermal protection for lamp ballasts
    Patent number: 7436131
    Abstract: The output current of a ballast is dynamically limited when an over-temperature condition is detected in the ballast according to one of (i) a step function or (ii) a combination of step and continuous functions, so as to reduce the temperature of the ballast while continuing to operate it.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: October 14, 2008
    Assignee: Lutron Electronics Co., Inc.
    Inventors: David E. Cottingim, Jecko Arakkal, Venkatesh Chitta, Mark S. Taipale