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ESSA CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    200,110
About

ESSA CO LTD has a total of 23 patent applications. Its first patent ever was published in 2006. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, chemical engineering and civil engineering are ZIMPRO PASSAVANT INC, ZHENGZHOU BIXING ENVIRONMENTAL PROTECTION TECH CO LTD and JIANGSU YIHUAN GROUP CO LTD.

Patent filings per year

Chart showing ESSA CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Kwang Hee 4
#2 Lee Sang Hwa 2
#3 Ahn Gyu Il 2
#4 Pek Sang Bok 2
#5 Kim Yeong Tae 2
#6 Kim Jong Bin 2
#7 Lee Choo Ho 2
#8 Kim Heon Mok 2
#9 Choi Young Ik 2
#10 Jung Seung Wook 2

Latest patents

Publication Filing date Title
KR101648938B1 3 way screen device
KR101627642B1 Highly water treatment system
KR101668274B1 Auto-seperation draining apparatus having backwater part
KR101312672B1 Apparatus for treating sewage and wastewater with reactor tank of vertical-type and floating decanter
KR101393434B1 Apparatus for treatment of sewage using electrolysis in aeration tank during bnr process
KR20140057883A Watercourse dusting machine
KR101132978B1 Water recycling toilet sewage treatment system without water discharge
KR20130038530A Sewage and wastewater treatment plant
KR20120081341A Device for filtering sewage and waste water
KR20110114309A Sewage treatment apparatus equipped in underground tank
KR20110097331A Tank embeded underground
KR100964178B1 Auto-seperation draining apparatus
KR20100116415A A discharge system for clean water
KR20100116087A Filtering apparatus
KR20100116088A The treatment appratus for purified rainwater excluding the first flush
KR20090124060A A discharge system for clean water
KR100786354B1 Apperatus for treatmenting sludge of sewage and method of therof
KR100800529B1 Alternate discharge device
KR100768571B1 Dephosphorizating reactor for treatment of sewage
US2009001016A1 Apparatus for treating sewage using a semi-batch process and associated method