TREA

Yi Sug Kwon

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  • Kyungsangnam-Do, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Upper rail for passenger conveyor
    • Patent number 6,016,902
    • Issue date Jan 25, 2000
    • LG Industrial Systems Co., Ltd.
    • Yi Sug Kwon
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Apparatus for controlling chain tension
    • Patent number 5,997,423
    • Issue date Dec 7, 1999
    • LG Industrial Systems Co., Ltd.
    • Yi Sug Kwon
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Sprocket buffer for chain driving system
    • Patent number 5,967,924
    • Issue date Oct 19, 1999
    • Lg Industrial Systems, Co., Ltd.
    • Yi Sug Kwon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Terminal rail system for escalator
    • Patent number 5,924,544
    • Issue date Jul 20, 1999
    • LG Industrial Systems Co., Ltd.
    • Yi Sug Kwon
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Terminal rail for passenger conveyor
    • Patent number 5,899,314
    • Issue date May 4, 1999
    • LG Industrial Systems Co., Ltd.
    • Yi Sug Kwon
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Step combining system for escalator
    • Patent number 5,894,917
    • Issue date Apr 20, 1999
    • LG Industrial Systems Co., Ltd.
    • Yi Sug Kwon
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Terminal rail system for escalator
    • Patent number 5,890,578
    • Issue date Apr 6, 1999
    • LG Industrial Systems Co., Ltd.
    • Yi Sug Kwon
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Terminal rail system for escalator
    • Patent number 5,829,570
    • Issue date Nov 3, 1998
    • LG Industrial Systems Co., Ltd.
    • Yi Sug Kwon
    • B66 - HOISTING LIFTING HAULING