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N4TECHDS CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    102,151
  • Filing trend
    ⇩ 100.0%
About

N4TECHDS CO LTD has a total of 23 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets civil engineering, chemical engineering and environmental technology are KESSEL AG, HAPPEL TOM and HAPPEL THOMAS H.

Patent filings in countries

World map showing N4TECHDS CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 23

Patent filings per year

Chart showing N4TECHDS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Choi Weon Suk 15
#2 Lee Kwan Yong 14
#3 Lee Yong Jae 12
#4 Choi Won Suk 8
#5 Lee Gwan Young 3
#6 Chung Chul Kwon 2
#7 Lee Young Gwon 1
#8 Park Min Dae 1
#9 Song Ho Myeon 1
#10 Lee Jae Hyouk 1

Latest patents

Publication Filing date Title
KR102073933B1 Pipe channel control system using movable beam with screen
KR102015833B1 Method and system for selective non-collection control of low concentration sewage
KR102068797B1 Opening and shutting apparatus for pipeline by tube
KR20190066209A Invert construction apparatus in a manhole and invert construction method using the same
KR101884307B1 Submerged filtration system with backwash system using compressed air
KR101793057B1 Natural type - non point pollution reducing system
KR20180075004A Opening and shutting apparatus for pipeline by tube
KR20170118471A A controlling system of intercepting and discharge
KR101699866B1 Non-point source contaminant treatment apparatus using back washing type float media
KR101705299B1 Filtation apparatus using back washing type float media
KR20170069497A Non-point source contaminant treatment apparatus using back washing type float media
KR20150098232A Method for analysis of flow rate by saltwater-trace
KR101505508B1 Media for nonpoint pollution filtering and nonpoint pollution treatment apparatus using the same
KR20150083767A Polyurethane coating hume pipe
KR20150119541A Pump ysung solar heat
KR20150097331A Automated Water Sampler For Combined Sewer Overflow Water(CSOs)
KR20150064853A Manufacturing equipment of filter media for dust catch by filter
KR20140141414A Watergate equipment using weight of a water conduit
KR101441091B1 Valve using solar heat
KR101317474B1 Non-point source contaminant treatment apparatus