Assignee
RHU DAE HWAN
KR·2 granted patents·0 citations·filing 2009–2012
Top patents by PatentIndex Score
2 records- 0140US8603329B2Wastewater treatment apparatus with two-stage multimedia biological filtration processRHU DAE HWAN·Filed 2009·Granted Dec 10, 2013·0 cites·2 claims
- 0232US9856161B2Wastewater treatment apparatus capable of performing both initial rainwater overflow treatment and primary treatment, and wastewater treatment method according to said apparatusRHU DAE HWAN·Filed 2012·Granted Jan 2, 2018·0 cites·9 claims
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