Technology Patents

Certificates/Awards
	Title	Number	Registered Date	Inventor
Patent	Drop Duck	10-1138009	2012-04-12	Dongseok Kang
Patent	Sludge Filtration Machine for Human/Livestock Waste water	0518805	2005-09-26	Dongseok Kang
Patent	Deodorizer attached Sludge Filtration Machine	10-1172837	2012-08-03	Dongseok Kang
Patent	Double Layer Screen Filter	10-0928559	2009-11-18	Dongseok Kang
Utility model	Screen to remove animal hair and grits	20-0446111	2009-09-18	Dongseok Kang
Patent	Sludge Filtration Machine for Municipal Waste Water	10-1244211	2013-03-08	Dongseok Kang
Patent	Heater attached screw press	10-1253747	2013-04-06	Dongseok Kang
Utility model	Roll type Brush attached Screen	20-0446633	2009-11-06	Dongseok Kang
Utility model	Back Flow preventing tool to centrifuge	346578	2004-03-22	Dongseok Kang
Patent	High pressure water spray attached Sludge Filtration Machine	10-1261437	2013-04-30	Dongseok Kang

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