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HAN GANG CO LTD

Overview
  • Total Patents
    39
About

HAN GANG CO LTD has a total of 39 patent applications. Its first patent ever was published in 2003. It filed its patents most often in Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, civil engineering and transport are SHONAN GOSEI JUSHI SEISAKUSHO KK, ANHUI WANAN ENVIRONMENTAL TECH CO LTD and WUXI INDA NEW PIPE TECH CO LTD.

Patent filings in countries

World map showing HAN GANG CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Lee Je Geun 19
#2 Lee Je Kun 18
#3 Sohn Seung Woo 6
#4 Shon Seung Woo 3
#5 Son Seung Woo 1
#6 Son Seung U 1

Latest patents

Publication Filing date Title
KR100778553B1 Watertight test system for pipe
KR100820331B1 Method of repairing manhole and material for repairing manhole
KR100812311B1 Jigring apparatus
KR100837854B1 Repair method of using nozzle and nozzle for repairing
KR20080054025A Cable installation materials for a pipe and cable installation method using thereof
KR100791511B1 Forking pipe repairing material and repairing method using it
KR100775954B1 Repair method of using packer and packer structure for repairing
KR100770764B1 Pipe repair method of concrete structure using face type heating element sheet
KR100735076B1 Assembly type repair equipment
KR100775953B1 Sewer cleaner truck
KR20070108043A Sewer cleaner truck
KR100758724B1 Method of repairing manhole and material for repairing manhole
KR100758723B1 Structure of mounting wheel of vehicle for sewage pipe
KR100758722B1 Method of repairing pipe and structure of repairing pipe
KR100775952B1 Self-propelled car
KR100775634B1 Non-excavating repair materials of a pipe and repair method using the same
KR100737983B1 Water standing apparatus for water diverting and water diverting method using it
KR100690958B1 Non-excavating examination apparatus and examination method using it
KR100735064B1 Water standing apparatus for water diverting
KR100735063B1 Method of repairing pipe and material for repairing