ENVIRONMENTAL VISION 21 LTD has a total of 12 patent applications. Its first patent ever was published in 2001. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets environmental technology, chemical engineering and control are SCHREIBER BERTHOLD, GRUNDFOS BIOBOOSTER AS and PACK KOREA CO LTD K.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 5 | |
#2 | WIPO (World Intellectual Property Organization) | 4 | |
#3 | Australia | 1 | |
#4 | China | 1 | |
#5 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Chemical engineering | |
#3 | Control | |
#4 | Machines | |
#5 | Basic materials chemistry |
# | Name | Total Patents |
---|---|---|
#1 | Choe Hong-Bok | 4 |
#2 | Park Gi Taek | 3 |
#3 | Kim Sang Wook | 1 |
#4 | Kim Jong-Won | 1 |
#5 | Hong-Bok Choe | 1 |
#6 | Choi Jihyun | 1 |
#7 | Jong Hyong-Kun | 1 |
#8 | Park Gi Teak | 1 |
#9 | Ku Hae Soo | 1 |
#10 | Kim Sang-Wook | 1 |
Publication | Filing date | Title |
---|---|---|
KR100501524B1 | Rotor for generating vortex flow, and filtering apparatus employing the same | |
KR20050035716A | Multi media upflow filtering system for nitrification, denitrification and suspended solids removal | |
KR20040013924A | Linear resonator exciting mechanism | |
KR20040013945A | Torsional exciting mechanism | |
KR20040013757A | Resonator exciting mechanism | |
US6764600B2 | Lagoon for hog waste and the method of treatment thereof | |
WO02085798A1 | Process and plant of the ubr formation for wastewater treatment | |
WO02074695A1 | Plant and process for the gas treatment and thickening of wastewater by evaporation enhancing |