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AN CHANG IL

Overview
  • Total Patents
    22
About

AN CHANG IL has a total of 22 patent applications. Its first patent ever was published in 2003. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets civil engineering, transport and consumer goods are KOREA CONCRETE IND CO LTD, DAESAN CIVIL TECH CO LTD and CHIAVES CARLO.

Patent filings in countries

World map showing AN CHANG ILs patent filings in countries
# Country Total Patents
#1 Republic of Korea 22

Patent filings per year

Chart showing AN CHANG ILs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 An Chang Il 22

Latest patents

Publication Filing date Title
KR101379305B1 Wall structure manufacturing method using precast front wall panel and precast back wall panel
KR101319509B1 Pretension concrete structure and construction method therefor
KR101301073B1 Precast waterway pipe with buttress using tendon and the construction method therefor
KR101301076B1 Wall structure construction method using precast front wall panel and precast back wall panel
KR101282770B1 Precast straight wall foundation and construction method therefor
KR101346020B1 Wall type footing using precast member
KR101301081B1 Wall structure and the construction method therefor
KR101301079B1 Box construction method
KR101148815B1 Composite pile connected inner connecting member and composite construction method using the same
KR101130167B1 Sound proof pannel and construction method using the same
KR101146758B1 Rahmen structure using lateral strut member
KR101052732B1 Composite pile using composite plate with shear connector and making method using the same
KR101052731B1 Column structure using pair-column member and braciing and wall structure construction method therewith
KR101011969B1 Precast box structure construction method using sliding apparatus
KR101004619B1 Girder bridge construction method over existing bridge
KR100983085B1 Composite member with tensile flange of closed and prestressed pipe type and the structure construction method
KR100983086B1 Retaining wall construction method using post structure and block
KR20090094986A Construction method using prefabricated retaining wall construction method
KR20080098124A Construction method not exposed to outside
KR20060107613A Steel beam with a contracted steel member and the manufacturing method