Patents by Inventor John K. Mackenzie

John K. Mackenzie 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).

  • Patent number: 8237419
    Abstract: An AC to DC power supply for small heat sensitive electronic device. The power supply being dynamically controlled to operate symmetrically about the lowest point of the AC source voltage waveform for minimum excess heat production.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: August 7, 2012
    Assignee: Schneider Electric USA, Inc.
    Inventors: Jeremy D. Schroeder, John K. Mackenzie, Brett Larson
  • Publication number: 20100220507
    Abstract: An AC to DC power supply for small heat sensitive electronic device. The power supply being dynamically controlled to operate symmetrically about the lowest point of the AC source voltage waveform for minimum excess heat production.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 2, 2010
    Inventors: Jeremy D. Schroeder, John K. Mackenzie, Brett Larson