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DOOHAP CLEANTECH CO LTD

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    179,804
  • Filing trend
    ⇧ 200.0%
About

DOOHAP CLEANTECH CO LTD has a total of 42 patent applications. It increased the IP activity by 200.0%. Its first patent ever was published in 1999. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets environmental technology, chemical engineering and medical technology are OMEGA CO LTD, PAPADOPOULOS MICHAEL and ARIECO INC.

Patent filings in countries

World map showing DOOHAP CLEANTECH CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 42

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kim Sang Jin 35
#2 Wang Chang Keun 12
#3 Kim Ki Kon 8
#4 Kim Dong Sun 6
#5 Myung Bok Tae 3
#6 Park Jin Hee 2
#7 Cho Won Ihl 2
#8 Kim Deok Won 2
#9 Ju Woo Sung 2
#10 Lee Seung Ho 2

Latest patents

Publication Filing date Title
KR20210004904A Water Treatment Device using Activated Carbon in AOP(Advanced Oxidation Process)
KR102184716B1 Water Treatment Device using Activated Carbon in AOP(Advanced Oxidation Process)
KR20210001506A An Ultraviolet Lamp Assembly
KR20200043191A Bidirectional Check Valve for Air Diffuser
KR101930434B1 Ultraviolet Sterilizer and Cleaning Apparatus thereof
KR101887408B1 Non-point Pollution Source Reducing Device
KR20190052518A Chairs for rainwater storage tanks
KR20180068255A Non-powered Filtration Apparatus easy to Back-wash
KR101382140B1 Air pollutants removal equipment with multifunction for effective scrubbing of particulate matter and gas absorption
KR101266939B1 Rain water filtration and collection equipment with waste of first catchment, backwashing and heavy rain overflow functions without power
KR101217165B1 System and method of natural flow-type rainwater treatment using non-motorized early rainwater exclusion device
KR101171829B1 Ozone dissolution and recovery method using water particles and contact media for treatment of drinking water and wastewater
KR101163097B1 Gas dissolution equipment using gaps for treatment of drinking water and wastewater
KR101126049B1 Membrane filtration system for treatment of drinking water and wastewater with efficient pretreatment and backwashed water treatment processes
KR101037888B1 Hybrid wastewater treatment equipment with sedimentation, biological degradation, filtration, phosphorus removal and uv disinfection system in a reactor
KR20120021380A Agrochemical removing method using root surface fixing bacteria and its bacteria
KR101010893B1 Gas dissolution equipment for treatment of drinking water and wastewater
KR100989889B1 Rapid mixing equipment for treatment of drinking water and wastewater
KR101032318B1 Inclined plate sedimentation basin with efficient sludge washing and withdrawl system for treatment of drinking water and wastewater
KR100986245B1 Apparatus and method of high efficiency chemical cleaning-type deodorization using non-motorized mixing feeder