CHUNG GYENG OK has a total of 12 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Republic of Korea, Taiwan and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, machine tools and mechanical elements are YAO SHENGFA, AVI ALPENLAENDISCHE VERED and SALM MATHIAS.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 6 | |
#2 | Taiwan | 2 | |
#3 | WIPO (World Intellectual Property Organization) | 2 | |
#4 | EPO (European Patent Office) | 1 | |
#5 | Japan | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machine tools | |
#3 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Structural elements | |
#2 | Rolling metal | |
#3 | Metal wire processing | |
#4 | Construction of bridges | |
#5 | Scaffolding | |
#6 | Thread cutting | |
#7 | Nails | |
#8 | Making screws | |
#9 | Forging | |
#10 | Making forged metal products |
# | Name | Total Patents |
---|---|---|
#1 | Chung Gyeng Ok | 7 |
#2 | Chung Gyeng-Ok | 5 |
#3 | Yoo Chung Ki | 3 |
#4 | Yoo Chung-Ki | 2 |
#5 | Yoo Chung Gi | 1 |
Publication | Filing date | Title |
---|---|---|
WO0123118A1 | Method of processing connecting ends of deformed steel bar used for reinforcing concrete, and deformed steel bar processed by this method | |
KR20000066477A | Zig assembly for preparing irom bar mesh, process for preparing iron bar mesh using the said zig assembly, and process for construction, utilizing the iron bar mesh | |
KR100316435B1 | Method of working connection end of deformed bar for reinforcing concrete, deformed bar worked by the method and structure of connecting deformed bar | |
KR100248963B1 | Thread formation on rods and the method of preparation of them | |
KR100240099B1 | Coupler for iron bar | |
KR100220173B1 | Connector for the reinforcing steel | |
KR100220174B1 | Pipe thread work machine |