Patents by Inventor Joseph Cho Hei Cheung

Joseph Cho Hei Cheung 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).

  • Historical alarm analysis apparatus and method
    Patent number: 9355477
    Abstract: A method includes partitioning alarms into two or more alarm groups. The alarms are associated with operation of an industrial process system performing a process, and each alarm has multiple states. The method also includes generating a graphical display for presentation to a user. The graphical display identifies at least one of the alarm groups and multiple alarm indicators. Each alarm indicator indicates a state transition of an associated alarm between two of the alarm's states. The alarm indicators are arranged in the graphical display based on times of their respective state transitions.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: May 31, 2016
    Assignee: Honeywell International Inc.
    Inventors: Craig Stuart Ashley, David Barry Granatelli, Joseph Cho Hei Cheung, Donald Maxwell Shepherd, Robert Andrew Weiss, Benjamin Ivan Schultz
  • HISTORICAL ALARM ANALYSIS APPARATUS AND METHOD
    Publication number: 20130002697
    Abstract: A method includes partitioning alarms into two or more alarm groups. The alarms are associated with operation of an industrial process system performing a process, and each alarm has multiple states. The method also includes generating a graphical display for presentation to a user. The graphical display identifies at least one of the alarm groups and multiple alarm indicators. Each alarm indicator indicates a state transition of an associated alarm between two of the alarm's states. The alarm indicators are arranged in the graphical display based on times of their respective state transitions.
    Type: Application
    Filed: June 28, 2011
    Publication date: January 3, 2013
    Applicant: Honeywell International Inc.
    Inventors: Craig Stuart Ashley, David Barry Granatelli, Joseph Cho Hei Cheung, Donald Maxwell Shepherd, Robert Andrew Weiss, Benjamin Ivan Schultz