Patents by Inventor Samuel N. Heffington

Samuel N. Heffington 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).

  • Synthetic jet ejector with viewing window and temporal aliasing
    Publication number: 20080295997
    Abstract: A device (103) is provided which comprises (a) a housing (115) equipped with a viewing window (253); (b) a diaphragm (301), visible through said viewing window; (c) an actuator (126) adapted to vibrate said diaphragm at an operating frequency; and (d) a strobe light (121).
    Type: Application
    Filed: June 4, 2008
    Publication date: December 4, 2008
    Inventors: Samuel N. Heffington, Michael D. Wilcox, Randall P. Williams, Robert T. Reichenbach
  • Thermal management system for LED array
    Publication number: 20080219007
    Abstract: A device, comprising (a) a chamber having a liquid disposed therein, (b) an LED array having a first surface which is in contact with said liquid, and (c) at last one actuator adapted to dislodge vapor bubbles from said first surface through the emission of pressure vibrations.
    Type: Application
    Filed: February 26, 2008
    Publication date: September 11, 2008
    Inventors: Samuel N. Heffington, Raghavendran Mahalingam, Lee M. Jones, Stephen Darbin
  • Thermal management system for LED array
    Publication number: 20080151541
    Abstract: A device, comprising (a) a chamber having a liquid disposed therein, (b) an LED array having a first surface which is in contact with said liquid, and (c) at last one actuator adapted to dislodge vapor bubbles from said first surface through the emission of pressure vibrations.
    Type: Application
    Filed: December 22, 2007
    Publication date: June 26, 2008
    Inventors: Samuel N. Heffington, Raghavendran Mahalingam, Lee M. Jones, Stephen Darbin