Patents Represented by Attorney Ron Hartman

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  • Application of abnormal event detection technology to hydrocracking units
    Patent number: 8005645
    Abstract: The present invention is a method for detecting an abnormal event for process units of a hydrocracking unit. The method compares the operation of the process units to a model developed by principle components analysis of normal operation for these units. If the difference between the operation of a process unit and the normal operation indicates an abnormal condition, then the cause of the abnormal condition is determined and corrected.
    Type: Grant
    Filed: February 23, 2007
    Date of Patent: August 23, 2011
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Kenneth F. Emigholz, Thomas A. Kendi, Stephen S. Woo