Patents by Inventor Keith C. Henriksen

Keith C. Henriksen 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).

  • Remote monitoring systems and related methods
    Patent number: 11068221
    Abstract: Systems and methods are disclosed herein relating to control of one or more components of an electric power system. A human machine interface (HMI) may be utilized to control and monitor a remote intelligent electronic device (IED) via a local intelligent electronic device (IED) connected to the HMI.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: July 20, 2021
    Assignee: Schweitzer Engineering Laboratories, Inc.
    Inventors: Keith C. Henriksen, Priyanka Nadkar
  • System and apparatus for measuring the accuracy of a backup time source
    Patent number: 8812256
    Abstract: An intelligent electronic device incorporates a first port that accepts a time signal from a time server over a network and a second port for receiving a second time signal over a separate network. The intelligent electronic device approximates the amount of error in the second time signal based on calculations of the error in the first time signal.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: August 19, 2014
    Assignee: Schweitzer Engineering Laboratories, Inc.
    Inventors: Tony J. Lee, Keith C. Henriksen
  • SYSTEM AND APPARATUS FOR MEASURING THE ACCURACY OF A BACKUP TIME SOURCE
    Publication number: 20120179404
    Abstract: An intelligent electronic device incorporates a first port that accepts a time signal from a time server over a network and a second port for receiving a second time signal over a separate network. The intelligent electronic device approximates the amount of error in the second time signal based on calculations of the error in the first time signal.
    Type: Application
    Filed: January 12, 2011
    Publication date: July 12, 2012
    Inventors: Tony J. Lee, Keith C. Henriksen