TREA

Guk-Won LEE

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  • Seoul, KR
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    FILTER ASSEMBLY
    • Publication number 20250128964
    • Publication date Apr 24, 2025
    • COWAY CO., LTD.
    • Ju Hyuk EOM
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    FILTER STRUCTURE
    • Publication number 20250115491
    • Publication date Apr 10, 2025
    • COWAY CO., LTD.
    • Geun Sang RYU
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    BIPOLAR ION EXCHANGE MEMBRANE USING HETEROGENEOUS ION EXCHANGE MEMB...
    • Publication number 20210106948
    • Publication date Apr 15, 2021
    • COWAY CO., LTD.
    • Guk-Won LEE
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ELECTRODEIONIZATION FILTER
    • Publication number 20200406195
    • Publication date Dec 31, 2020
    • COWAY CO., LTD.
    • Sang-Young LEE
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    DEIONIZATION FILTER DEVICE AND WATER TREATMENT DEVICE COMPRISING DE...
    • Publication number 20180326356
    • Publication date Nov 15, 2018
    • COWAY CO., LTD.
    • Sung-Min MOON
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE