TREA

Keum Dae Choo

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  • Geoje Si, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ventilation apparatus of a drillship
    • Patent number 9,862,474
    • Issue date Jan 9, 2018
    • Daewoo Shipbuilding & Marine Engineering Co., Ltd.
    • Keum Dae Choo
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Temperature and pressure monitoring system of sealed derrick structure
    • Patent number 9,377,369
    • Issue date Jun 28, 2016
    • Daewoo Shipbuilding & Marine Engineering Co., Ltd.
    • Keum Dae Choo
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Polar vessel having a derrick
    • Patent number 9,376,199
    • Issue date Jun 28, 2016
    • Daewoo Shipbuilding & Marine Engineering Co., Ltd.
    • Keum Dae Choo
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Damper structure for a sealed derrick
    • Patent number 9,297,545
    • Issue date Mar 29, 2016
    • Daewoo Shipbuilding & Marine Engineering Co., Ltd.
    • Keum Dae Choo
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents