Patents by Inventor Duncan WARD

Duncan WARD 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).

  • Burner control system
    Patent number: 12449127
    Abstract: A burner control system for controlling the operation of a fuel burner arranged to burn a combination of a supply of fuel and a supply of air is provided. The burner control system is arranged to receive from an exhaust gas analyzer one or more signals, each signal being indicative of the level of an exhaust gas emitted by the fuel burner; receive from a photodetector a signal indicative of a level of electromagnetic radiation output by the flame of the fuel burner; and control at least one of the supply of fuel and the supply of air to the burner based on the one or more signals received from the exhaust gas analyzer and the signal received from the photodetector.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: October 21, 2025
    Assignee: Autoflame Engineering Limited
    Inventors: Brendan Kemp, Duncan Ward, Stuart Williams
  • BURNER CONTROL SYSTEM
    Publication number: 20230160572
    Abstract: A burner control system for controlling the operation of a fuel burner arranged to burn a combination of a supply of fuel and a supply of air is provided. The burner control system is arranged to receive from an exhaust gas analyzer one or more signals, each signal being indicative of the level of an exhaust gas emitted by the fuel burner; receive from a photodetector a signal indicative of a level of electromagnetic radiation output by the flame of the fuel burner; and control at least one of the supply of fuel and the supply of air to the burner based on the one or more signals received from the exhaust gas analyzer and the signal received from the photodetector.
    Type: Application
    Filed: November 22, 2022
    Publication date: May 25, 2023
    Inventors: Brendan KEMP, Duncan WARD, Stuart WILLIAMS