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KANG NUNG CONSTRUCTION CO LTD

Overview
  • Total Patents
    40
  • GoodIP Patent Rank
    94,791
About

KANG NUNG CONSTRUCTION CO LTD has a total of 40 patent applications. Its first patent ever was published in 2000. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets civil engineering, environmental technology and materials and metallurgy are URBAN MASS TRANSIT ENG CO LTD CHINA RAILWAY 11TH BUREAU GROUP, RANKEN RAILWAY CONSTRUCTION GROUP CO LTD and GUNYANG C & E CO LTD.

Patent filings in countries

World map showing KANG NUNG CONSTRUCTION CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 40

Patent filings per year

Chart showing KANG NUNG CONSTRUCTION CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jung Sung Nam 36
#2 Kim Jung Hyi 9
#3 Cho Kwang Eun 3
#4 Shin Jung Min 2
#5 Lee Myung Ju 2
#6 Jung Byung Chul 2
#7 Shin Jong Hun 2
#8 Jo Chang Yeol 1
#9 Shin Young Gu 1
#10 Seo Kyung Sang 1

Latest patents

Publication Filing date Title
KR20200140680A Shield TBM Tunnel Backfill Method Using stretchy Segment and stretchy Segment
KR20190090574A Apparatus and method for changing sewer pipe of tbm excavation type
KR20180070079A excavator using propulsion of assembled front tip
KR20180067826A excavator using propulsion of caisson, and excavation method using the same
KR101858623B1 Drilling machine with link drill unit and collumn wall contructing method by the same
KR20180049574A Rock splitting using discontinuity face force relaxation method
KR20170127172A Ground reinforcement method of messer shield tunnel
KR20170127309A Construction method of underground continuous wall and it`s apparatus using the wire saw
KR20170093024A The shield tunnel excavator and it's tunnel excavation method with reverse injection of underground water
KR20170082399A Prevent subsidence structure using shield tunnel construction and its method
KR20170065234A Semi-shield tunnel ling method using the prevention system against the rear slime precipitation
KR20160057969A Double pressure pipe of reverse propelling type and exposing method for enlarging diameter span and semi shield excavating method by the same
KR101550159B1 A complex shield TBM tunnel construction engineering method and a variety shield connection apparatus of the same
KR101550158B1 PC concrete block using perpendicular hall constructions method and apparatus
KR101596802B1 Double pressure pipe of reverse propelling type and exposing method for enlarging diameter span and semi shield excavating method by the same
KR20160004884A Prevent subsidence structure using shield tunnel construction and its method
KR20160005287A Apparatus and method for preventing torsion of segment ring and shield tunnel digging method by the same
KR20160004847A Pc block and installing method for shield tunnel stucture
KR20130121801A The bottom segment and shield tunnel process thereof
KR20130047704A Down the hole drilling method using the tbm