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R&D

Research Performance

Patent

Patent list
Name Registration
Number		 Application
Date		 Registration
Date		 Duration Remark
Gas-insulated switchgear using carbon dioxide gas mixture/td> 10-2016923-0000 2019.03.29 2019.08.27 2039.03.29
Sealing structure of the lever mechanism for gas-insulated switchgear 10-2256452-0000 2020.01.21 2021.05.20 2040.01.21
Structure of a cart for equipment inside switchboard 10-2021-0047845 2021.04.13 2021.10.28 2041.04.13
IONIZER 10-2429330 2017.11.28 22.08.01 2037.11.28 Co-patent with
Hanon Systems
Structure of a cart for equipment inside switchboard 10-2021-0047845 21.04.13 Under application
Combined structure of frame forswitchboard 20-2021-0001303 21.04.26 Under application
Reinforced structure ofswitchboard door 20-2021-0001371 21.04.30 Under application
  • GT-21-01083
    Seondo Electric Green Technology Certificate
  • Gas-insulated switchgear
    (Patent No. 10-1596389)
  • Sealing structure of lever mechanism for gas-insulated switchgear
    (Patent No. 10-2458932)
  • Prefabricated frame for switchboard
    (Patent No. 10-1835722)
  • Structure of a cart for
    equipment inside switchboard
    (Patent No. 10-2328708)
  • Diagnosis device of switchboard
    (Patent No. 10-1559725)
  • Gas-insulated switchgear using carbon dioxide mixed gas
    (Patent No. 2016923)
  • Ion generation air purifier and method for purifying air
    (Patent No. 10-0823496)
  • Generator of ion cluster and ion generation method
    (Patent No. 10-0812540)
  • Ionizer
    (Patent No. 10-2429330)
  • 3-stage pull-out device of low voltage motor control panel unit
    (Patent No. 10-1627678)

Utility Model

Utility Model List
Name Registration Number Application
Date		 Registration
Date		 Duration Remark
Electronic watt-hour meter 20-0453737-0000 2009.11.05 2011.05.17 2019.11.05 Expired
Generator of ion cluster 20-0474836-0000 2013.04.15 2014.10.10 2023.04.15
Frame connection bracket for switchgear 20-0489954-0000 2017.10.25 2019.08.27 2027.10.25
  • Frame connection bracket for switchboard
    (Utility model No. 20-0489954)
  • Generator of ion cluster
    (Utility model No. 20-0474836)

Design Registration Certificate

Design Registration Certificate List
Name Registration Number Application
Date		 Registration
Date		 Duration Remark
Nameplate holder for switchboard 30-0957494-0000 2017.10.25 2018.05.16 2037.10.25
Frame connectors for switchboard 30-0957495-0000 2017.10.25 2018.05.16 2037.10.25
Frame connectors for switchboard 30-0957496-0000 2017.10.25 2018.05.16 2037.10.25
Frame connectors for switchboard 30-0957497-0000 2017.10.25 2018.05.16 2037.10.25
Gas flow guide for gas-insulated switchgear (GIS) 30-1025770-0000 2019.03.29 2019.09.26 2039.03.29
Gas flow guide for gas-insulated switchgear (GIS) 30-1025771-0000 2019.03.29 2019.09.26 2039.03.29
  • Gas flow guide for gas-insulated switchgear (GIS)
    (No. 30-1025771)
  • Nameplate holder for switchboard
    (No. 30-0957494)
  • Frame connector for switchboard
    (No. 30-0957495)
  • Frame connector for switchboard
    (No. 30-0957496)
  • Frame connector for switchboard
    (No. 30-0957497)

Trademark

Trademark List
Name Registration Number Application Date Registration Date Duration Remark
Seondo Electric Co., Ltd. 41-0008381-0000 1987.02.13 2018.04.19 2028.08.23
Seondo Co., Ltd. 41-0008384-0000 1987.02.13 2018.04.19 2028.08.23
SDE 41-0090339-0000 2002.06.10 2013.08.01 2023.09.04