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Patent applications and USPTO patent grants for Cho; Kang Woo.The latest application filed is for "apparatus and method for water treatment using in-situ activation of manganese dioxide catalyst".
Patent | Date |
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Apparatus and method for water treatment using in-situ activation of manganese dioxide catalyst Grant 9,938,168 - Hong , et al. April 10, 2 | 2018-04-10 |
Apparatus And Method For Water Treatment Using In-situ Activation Of Manganese Dioxide Catalyst App 20160264433 - HONG; Seok Won ;   et al. | 2016-09-15 |
River water purification apparatus and method using treatment soil layer and permeable filtering medium layer Grant 8,721,886 - Ahn , et al. May 13, 2 | 2014-05-13 |
Device for Treating Wastewater Comprising Nitrogen and Phosphorus and a Method for the Same App 20110247977 - Song; Kyung Guen ;   et al. | 2011-10-13 |
River Water Purification Apparatus And Method Using Treatment Soil Layer And Permeable Filtering Medium Layer App 20110100905 - AHN; Kyu Hong ;   et al. | 2011-05-05 |
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