Patents Represented by Attorney John F. Lushis

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  • Device and procedure for mechanical insertion of a grade separator in continuous steel casting
    Patent number: 4582115
    Abstract: A device and method for the insertion of commercial grade separators into the mold of a continuous steel caster. The present invention discloses a device made from standard steel channel and a method for the use thereof to mechanically insert grade separators.
    Type: Grant
    Filed: June 4, 1984
    Date of Patent: April 15, 1986
    Assignee: Bethlehem Steel Corporation
    Inventors: Frank J. Corto, Mustafa R. Ozgu, Manfred Schmidt
  • Fail-closed, tight seal gas safety valve system
    Patent number: 4553731
    Abstract: A fail-closed gas safety valve system for blast furnace stove operations employing two tight seal butterfly valves, one a gas shutoff valve and the other a gas regulating valve, which together operate to prevent the leakage of hazardous gas into a blast furnace stove area in the event the supply of air to the stove is interrupted because of a power or a hydraulic failure.
    Type: Grant
    Filed: September 7, 1984
    Date of Patent: November 19, 1985
    Assignee: Bethlehem Steel Corporation
    Inventor: John A. Carpenter