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ENVIRONMENTAL VISION 21 LTD

Overview
  • Total Patents
    12
About

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.

Patent filings in countries

World map showing ENVIRONMENTAL VISION 21 LTDs patent filings in countries

Patent filings per year

Chart showing ENVIRONMENTAL VISION 21 LTDs patent filings per year from 1900 to 2020

Top inventors

# 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

Latest patents

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