Gyeonggi-do
South Korea
2
2012-12-20
1
2008-12-30
These are the the leading inventors for applications assigned to ARK CO., LTD.:
ARK CO., LTD. based in Gyeonggi-do, KR has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
EXHAUST OXYGEN RECYCLING APPARATUS FOR OZONE TREATMENT EQUIPMENT, AND OZONE-USING SYSTEM HAVING SAME
#2 | 2006-04-20 ✅ Patent 7,470,365 granted on 2008-12-30Sludge concentration system which have functions for automatically charging a coagulant and for automatically controlling the concentration of a sludge
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