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LEE GANG CHANG

Overview
  • Total Patents
    11
About

LEE GANG CHANG has a total of 11 patent applications. Its first patent ever was published in 2010. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets transport, civil engineering and mechanical elements are YOSHIN KENSETSU KK, YOON KIL SOO and KANG TO HEAVY IND CO LTD.

Patent filings in countries

World map showing LEE GANG CHANGs patent filings in countries
# Country Total Patents
#1 Republic of Korea 11

Patent filings per year

Chart showing LEE GANG CHANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Gang Chang 11

Latest patents

Publication Filing date Title
KR20150006226A The grab and driving apparatus for the same in the excavator
KR20140110367A A grab bucket interlock device for linking the bucket and grab bucket of the hydraulic excavator
KR20130059725A The grab and driving apparatus for the same in the excavator
KR20130007801A Attachment exchangeable device equipped with the grab
KR20120135763A Fluid power cylinder consisting of fixing structure
KR20120135766A Attachment exchangeable device consisting of safety combination structiure
KR20120135765A Hudraulic-oil hoses protecting apparatus
KR20120135764A Attachment exchangeable device consisting of safety pin
KR20110118288A Automatic safety pin for attachment conjunction
KR20110088810A Link apparatus for hydraulic hose
KR20110088813A Attachment exchangeable device