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GUNYANG C & E CO LTD

Overview
  • Total Patents
    28
About

GUNYANG C & E CO LTD has a total of 28 patent applications. Its first patent ever was published in 2002. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets civil engineering, environmental technology and chemical engineering are CHINA RAILWAY 19TH BUREAU GROUP RAIL TRANSIT ENG CO LTD, KANG NUNG CONSTRUCTION CO LTD and SHANGHAI MINIE TECH CO LTD.

Patent filings in countries

World map showing GUNYANG C & E CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 28

Patent filings per year

Chart showing GUNYANG C & E CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Min Ho 21
#2 Oh Beom Ryong 11
#3 Oh Beom Yong 2
#4 Oe Beom Ryong 1

Latest patents

Publication Filing date Title
KR20100024554A The methods of civil foundation safety using plasma melting and water cooling technology for supporting facilities on weak bedsoil
KR100770683B1 The merhods of micro-shield pipe propulsion construction that use continuous ultra-sonic filter separating appratus for the excavated soil & water
KR100829872B1 Enterance vertical manhole structure propulsion and replacement construction methods and devices
KR20080072972A The methods of pipe propulsion construction that use changeable water-jet system and micro-shield & there's apparatus
KR100765976B1 Aquifer base pre-cast concrete box structure for the underway construction and devices that use simplicity freezing propulsion method of construction
KR20080014442A An portable apparatus and methods of the propulsion for the very small diameter pipes
KR100632971B1 Propulsion method and apparatus for underground donduits
KR100563990B1 The apparatus and method of tunnel pre-supporting multi-grouting using pressurized ultra-sonic vibration equipment
KR100538316B1 The apparatus and method of earth grouting using compressed air system for intermittent vibrated wave production
KR100563988B1 The apparatus and methods of unexcavated replacement for an old and timeworn sewer pipe using water-jet system and pipe propulsion
KR100538272B1 The methods of trenchless underway construction using pre-cast assembly concrete box
KR20060116562A The methods of earth grouting for dam up a groundwater used by the technics of plasma glassification
KR20060116565A The methods of earth grouting for tunnel supporting used by the technics of plasma glassification
KR20040096473A The methods of continuous partial work for anold and timeworn sewer pipe
KR20040062487A The method of plasma anchor in the construction
KR20040027608A Unstable ground base propulsion construction(CFT pipejacking and propulsion method) and devices that use continuous freezing and thawing propulsion method of construcion
KR20030088398A Underway Tunneling Methods of arch typed Triangle Elementary pipe-roof
KR20030081261A The Method of construction and apparatus using Changeable Boring Machine for steelpipe propulsion
KR20030045763A The method of construction (KY-8 pipejacking and propulsion method) and apparatus for propulsion which composed of cobble and/or crushed rock in soil layer
KR20030022243A The method of construction and apparatus for propulsion medium and small diameter steelpipe