1999 Mar 31 Registered New Design Patent for ‘MCF' (No. 0149923) 2003 Aug19 Registered New Design Patent for ‘Carrier For Water Purification' (No. 0324896) 2004 Apr 21 Registered patent for ‘WW Treatment Device & Method' (No. 0430034) 2004 Nov 16 Registered patent for ‘Spherical Filter-Chip' (No. 0458563) 2006 Aug 23 Registered New Design Patent for ‘Odor Removal System' (No. 20-0425095) 2009 Jul 28 Registered patent for ‘Sludge Process Device' (No. 10-0910608) 2009 Jul 31 Registered New Design Patent for ‘Carrier For Water Purification' (No. 20-0445535) 2009 Nov 03 Registered patent for ‘Apparatus For Purifying WW' (No. 10-0926078)

1982 Jun 05 Commendation from the Ministry of Environment 1999 Dec 31 Commendation from Seoul-Incheon District Min. of Environment 2003 Oct 16 Commendation from the Ministry of Environment 2004 Nov 01 Commendation, the Minister of Commerce, Industry & Environment 2004 Dec 29 Awarded ‘New Knowledge' Recognition 2009 Jun 05 Commendation from Gyeonggi Province 2009 Sep 02 Awarded Technology Innovation. Small & Medium Company Section. 2010 July 29 Awarded Grand Prize in Environmental Technology by Chosun National Newspaper (Commendation by Ministry of Environment, Chosun Newspaper)