Assignee
YOON CHI-HO
KR·3 granted patents·15 citations·filing 2009–2010
Top patents by PatentIndex Score
3 records- 0173US8165722B2Velocity and concentration adjustable coupling pipe apparatus equipped between lifting pipe and collectorYOON CHI-HO·Filed 2010·Granted Apr 24, 2012·8 cites·4 claims
- 0272US8671993B2Flexible short pipe having shock absorbing functionYOON CHI-HO·Filed 2010·Granted Mar 18, 2014·5 cites·6 claims
- 0359US8256846B2Dimples lifting pipe for mining deep-sea mineral resourcesYOON CHI-HO·Filed 2009·Granted Sep 4, 2012·2 cites·2 claims
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