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Changgun LEE

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  • Seoul, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum suctioning unit
    • Patent number 11,559,181
    • Issue date Jan 24, 2023
    • LG Electronics Inc.
    • Jeongho Lee
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Cleaner
    • Patent number 11,517,165
    • Issue date Dec 6, 2022
    • LG Electronics Inc.
    • Seungyeop Lee
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Cyclone type dust collector and cleaner having the same
    • Patent number 11,330,947
    • Issue date May 17, 2022
    • LG Electronics Inc.
    • Kietak Hyun
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Cleaner
    • Patent number 11,160,428
    • Issue date Nov 2, 2021
    • LG Electronics Inc.
    • Sangchul Lee
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Dust collector and cleaner having the same
    • Patent number 11,147,423
    • Issue date Oct 19, 2021
    • LG Electronics Inc.
    • Kietak Hyun
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Dust collector and cleaner having the same
    • Patent number 10,639,652
    • Issue date May 5, 2020
    • LG Electronics Inc.
    • Kietak Hyun
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum suctioning unit
    • Patent number 10,575,695
    • Issue date Mar 3, 2020
    • LG Electronics Inc.
    • Jeongho Lee
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CLEANER
    • Publication number 20240215784
    • Publication date Jul 4, 2024
    • LG ELECTRONICS INC.
    • Sangchul LEE
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CLEANER
    • Publication number 20240090724
    • Publication date Mar 21, 2024
    • LG ELECTRONICS INC.
    • Sangchul LEE
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CLEANER
    • Publication number 20210212538
    • Publication date Jul 15, 2021
    • LG ELECTRONICS INC.
    • Seungyeop LEE
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    VACUUM SUCTIONING UNIT
    • Publication number 20200163514
    • Publication date May 28, 2020
    • LG ELECTRONICS INC.
    • Jeongho LEE
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CLEANER
    • Publication number 20200008636
    • Publication date Jan 9, 2020
    • LG Electronics Inc.
    • Sangchul LEE
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CYCLONE TYPE DUST COLLECTOR AND CLEANER HAVING THE SAME
    • Publication number 20190282050
    • Publication date Sep 19, 2019
    • LG ELECTRONICS INC.
    • Kietak HYUN
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Vacuum Suction Unit
    • Publication number 20190154057
    • Publication date May 23, 2019
    • LG ELECTRONICS INC.
    • Jeongho LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUST COLLECTOR AND CLEANER HAVING THE SAME
    • Publication number 20190091703
    • Publication date Mar 28, 2019
    • LG Electronics Inc.
    • Kietak Hyun
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    DUST COLLECTOR AND CLEANER HAVING THE SAME
    • Publication number 20190090709
    • Publication date Mar 28, 2019
    • LG Electronics Inc.
    • Kietak Hyun
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    VACUUM SUCTIONING UNIT
    • Publication number 20180064302
    • Publication date Mar 8, 2018
    • Jeongho LEE
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    VACUUM SUCTION UNIT
    • Publication number 20160290359
    • Publication date Oct 6, 2016
    • LG ELECTRONICS INC.
    • Jeongho LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...