Patents Assigned to Flour Corporation
  • Coke drum unheading device
    Patent number: 5098524
    Abstract: A coke drum unheading device having an actuator system operable from a location remote from a drum outlet. The actuator is adapted to move a drumhead between closed and open positions and to retain the drumhead in a closed position under load.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: March 24, 1992
    Assignee: Flour Corporation
    Inventors: Leslie P. Antalfy, Marcus R. Reaves, Donnie W. Alexander