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WOO JIN STEEL WORKS CO LTD

Overview
  • Total Patents
    36
About

WOO JIN STEEL WORKS CO LTD has a total of 36 patent applications. Its first patent ever was published in 2004. It filed its patents most often in Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, environmental technology and packaging and shipping are CHEONG CHEON HIGHTECH CO LTD, BAEK JIN HYUN and KYUNG SHIN INDUSTRY CO LTD.

Patent filings in countries

World map showing WOO JIN STEEL WORKS CO LTDs patent filings in countries

Patent filings per year

Chart showing WOO JIN STEEL WORKS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jung Hoi Sung 32
#2 Youn Joung Cheon 2
#3 Kim Won Seok 2
#4 Moon Sung Woo 2
#5 Choi Gab Jin 2
#6 Oh Jae Wook 2
#7 Jung Hoe Seong 1
#8 Jun Jae Hong 1
#9 Bang Yoon Hyun 1
#10 Byung Yun Sang 1

Latest patents

Publication Filing date Title
KR101386586B1 Stepping-stone with multi-purpose
KR20150065219A A Management System for Irrigation and Drainage Facilities
KR101317313B1 Complex gates with integral pulling up and turnover floodgate
KR101319446B1 Watergate for pump gate unit
KR101325683B1 System for the rock gate using buoyancy and method for operation the same
KR101285341B1 Hydraulic movable weir with boundary of fresh water and salt water
KR20140073824A Wall built-in automatic floodgate
KR101256002B1 Hydraulic generators that manual hydraulic pulling up floodgate or overturning floodgate hydraulic generators
KR20140013725A Supply apparatus for agriculture water
KR101278531B1 The hydraulic pulling up floodgate floodgate the measuring equipment which is opened
KR101167147B1 Hydraulic turned-over floodgate system
KR20110085438A Sea dike sluice
KR100978376B1 Cyclo reducer
KR100915020B1 Cyclo conduction water-gate
KR100915023B1 Water-gate opening and shutting control cylinder
KR100907021B1 Hydraulic conduction floodgate
KR100891552B1 Floodgate exclusive hydro actuator
KR20090131813A Apparatus for removing dust
KR20090124248A The reservoir water purification system due to the wind power
KR20090111064A Compact type hydraulic conduction floodgate