Application date |
Registration number |
Content |
2019.12.30 |
10-2009-0133660 |
Small-scale water system for valley water or groundwater treatment using ultra filter |
2018.05.30 |
10-2018-0061535 |
Method and apparatus for preparing PFSA ionomer dispersion |
2016.01.27 |
PCT/KR2014/006084 |
High-strength separator and its manufacturing method |
2015.08.20 |
10-2015-0117466 |
Microgrid seawater desalination system integrated and linked with renewable energy |
2014.10.31 |
10-2014-0150162 |
Polar membrane with nanopore and method for manufacturing same |
2014.05.01 |
10-2014-0053084 |
Method for manufacturing high strength polyvinylidene fluoride hollow fiber separator |
2014.03.25 |
10-2014-0034909 |
Functional depth filter manufacturing apparatus and method |
2013.11.08 |
10-201-30135600 |
Multi-layered filter that is easy to replace |
2013.08.28 |
10-2013-0102722 |
Metal processing oil wastewater treatment method |
2013.07.16 |
10-2013-0083295 |
High-strength separator and manufacturing method |
2012.07.10 |
10-2012-0075245 |
Treatment method of emulsified oil wastewater that can be reused as industrial water |
2012.04.25 |
10-2012-0043175 |
Wastewater effluent reuse membrane filtration and concentrated water treatment method |
2012.03.09 |
10-2012-0024677 |
Hollow fiber membrane module |
2011.11.25 |
10-2011-0124492 |
Filtration membrane cleaning device and cleaning method |
2011.11.18 |
10-2011-0120810 |
Membrane and system protection field of mobile water treatment system |
2011.10.21 |
10-2011-0108142 |
Heavy water reuse device using external circulation membrane and rainwater |
2011.06.23 |
10-2011-0061072 |
Industrial wastewater effluent reuse device and reuse method using tubular MF membrane and RO membrane |
2011.03.29 |
10-2012-0032184 |
Manufacturing method of microporous filter material |
2011.03.08 |
10-2011-0020291 |
Manufacturing method of polyacrylonitrile-based sponge-type hollow fiber membrane |
2011.01.26 |
10-2011-0007989 |
Advanced water purification device and method |
2010.11.12 |
10-2010-0112741 |
Hydrofluoric acid wastewater treatment system and treatment method using membrane |
2010.08.24 |
10-2010-0082024 |
Wafer processing wastewater treatment device and treatment method |
2010.10.18 |
10-2010-0101232 |
Phosphorus removal system and phosphorus removal method for sewage and wastewater |
2010.10.01 |
10-2010-0095960 |
Sewage and wastewater effluent T-N, T-P, chromaticity removal reuse system and membrane cleaning system using membrane |
2010.06.29 |
10-2010-0062082 |
Reuse device of waste caustic soda generated during textile processing |
2010.01.27 |
10-2010-0007227 |
Water purifier |
2009.12.30 |
10-2009-0133661 |
Small-scale water supply facility device for valley water or groundwater treatment using reverse osmosis membrane |
2009.12.30 |
10-2009-0133662 |
Functional compost and liquid manure manufacturing device using livestock manure |
2019.12.30 |
10-2009-0133660 |
Small-scale water system for valley water or groundwater treatment using ultra filter |
2009.09.30 |
10-2009-0092977 |
Water treatment plant using hollow fiber membrane |
2008.05.15 |
10-2008-0044998 |
A device that separates/extracts oxygen and nitrogen from air |
2005.07.27 |
10-2005-0068117 |
Manufacturing method of ultra-permeable polyamide nanocomposite membrane |
2005.07.19 |
10-2005-0065140 |
Oxygen water production apparatus and method |
2004.09.08 |
10-2004-0071651 |
Polyvinylidene fluoride-based porous hollow fiber membrane and its manufacturing method |