Patents by Inventor DAVID C. HELLMAN

DAVID C. HELLMAN 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).

  • MULTI-MATERIAL LED HEAT SINKS
    Publication number: 20180047885
    Abstract: A number of variations may include a product that may include a first heat sink that may include a first face opposite a second face, a plurality of fins disposed on the second face, and a recess that may be defined by the first face; a second heat sink may be disposed within the recess and may have a third face opposite a fourth face wherein the fourth face may be disposed within the recess; and a light-emitting diode may be disposed on the fourth face of the second heat sink.
    Type: Application
    Filed: August 10, 2016
    Publication date: February 15, 2018
    Inventors: DAVID C. HELLMAN, SHANNEN M. BORNGESSER, MICHAEL K. LARSEN, JAMES C. O'KANE