Patents by Inventor Man-Jo Sim

Man-Jo Sim 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).

  • Apparatus for operating a distribution chute for changing ores and coals into a furnace
    Patent number: 7861614
    Abstract: A driving apparatus for a blast furnace charging distribution chute includes: a driving unit comprising a crankshaft connected to a motor to rotate with a variable rotational radius; a power transmission unit comprising a plurality of connection rods connected to the driving unit to linearly transmit power; and a working unit connected to the power transmission unit and fixed to circumference of a distribution chute to rotate or tilt the distribution chute.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: January 4, 2011
    Assignee: Posco
    Inventor: Man-Jo Sim
  • Apparatus for operating a distribution chute for changing ores and coals into a fumace
    Publication number: 20060233630
    Abstract: There is provided a driving apparatus for a blast furnace charging distribution chute capable of uniformly distributing charging material. The driving apparatus for a blast furnace charging distribution chute includes: a drving unit comprising a crankshaft connected to a motor to rotate with a variable rotational radius; a power transmission unit comprising a plurality of connection rods connected to the driving unit to linearly transmit power; and a working unit connected to the power transmission unit and fixed to circumference of a distribution chute to rotate or tilt the distribution chute.
    Type: Application
    Filed: July 9, 2004
    Publication date: October 19, 2006
    Applicant: POSCO
    Inventor: Man-Jo Sim