Learn more

HANS DEV CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    202,776
About

HANS DEV CO LTD has a total of 14 patent applications. 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, environmental technology and thermal processes are G&G TECH CO LTD, MITANI SEKISAN KK and MOLSNER HERMANN DIETRICH.

Patent filings in countries

World map showing HANS DEV CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 14

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Han Kwang Yong 12
#2 Han Kang Yong 2

Latest patents

Publication Filing date Title
KR20160065801A Crushed rock water filling method
KR20150058124A CAP of well sater
KR20150032677A Method of grouting rockpowder to natural water level for upgrading geothermal trance
KR20150008202A Deep geothmal changer of thmal conductivity improvement
KR20140133624A Equipment of protective well
KR20140127512A Method of grouting rockpowder to natural water level for upgrading geothermal trance
KR20140093307A Deep geothmal changer of thmal conductivity improvement
KR20140080116A Methodprevention of water pollution and gravel filling
KR20140078127A CAP of well sater
KR20130122826A Increase friction fixingunit
KR101233977B1 Small size tunneling machine using hydraulic cylinder for moving, and tunneling method using the same
KR20120118953A Non excavation type tunneling machine and tunneling method using the same
KR20110018158A Geothermal heat exchanger improving thermal conductivity
KR20110018159A Water collecting method using vertical well and vertical well structure thereof