Patents by Inventor David Cottongim

David Cottongim 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
    Publication number: 20050280377
    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: Application
    Filed: August 29, 2005
    Publication date: December 22, 2005
    Applicant: LUTRON ELECTRONICS CO., INC.
    Inventors: David cottongim, Jecko Arakkal, Venkatesh Chitta, Mark Taipale
  • THERMAL PROTECTION FOR LAMP BALLASTS
    Publication number: 20050099142
    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: Application
    Filed: November 12, 2003
    Publication date: May 12, 2005
    Inventors: David Cottongim, Jecko Arakkal, Venkatesh Chitta, Mark Taipale