Patents by Inventor Douglas Laurence Hanz

Douglas Laurence Hanz 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).

  • Power supply for a plurality of light emitting diodes
    Patent number: 9433043
    Abstract: A light emitting diode (LED) power supply providing current to a plurality of LEDs comprises a planar transformer. The planar transformer comprises a first multilayer printed circuit board comprising a first plurality of planar windings electrically connected in series to form a first primary portion. Each winding of the first plurality of planar windings is carried on a separate layer of the first multilayer printed circuit board. The transformer further comprises a second multilayer printed circuit board comprising a second plurality of planar windings electrically connected in series to form a second primary portion. Each winding of the second plurality of planar windings is carried on a separate layer of the second multilayer printed circuit board. The transformer additionally comprises a third multilayer printed circuit board comprising a third planar winding carried on two layers to provide a secondary.
    Type: Grant
    Filed: April 26, 2015
    Date of Patent: August 30, 2016
    Assignee: OPTOLUM, INC.
    Inventor: Douglas Laurence Hanz