DONGYEUN CO LTD has a total of 15 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2014. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and Singapore. Its main competitors in its focus markets machine tools and chemical engineering are DRIAM SA, TREFILERIES ET LAMINOIRS DE PR and HOESCH ROHRWERKE AG.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 9 | |
#2 | WIPO (World Intellectual Property Organization) | 4 | |
#3 | Singapore | 1 | |
#4 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Chemical engineering |
# | Technology | |
---|---|---|
#1 | Making metal sheets | |
#2 | Soldering, welding and flame cutting | |
#3 | Milling | |
#4 | Punching metal | |
#5 | Cleaning |
# | Name | Total Patents |
---|---|---|
#1 | Kim Dae Hong | 6 |
#2 | Jang Dongseok | 5 |
#3 | Park Jongbae | 5 |
#4 | Ryu Won Jin | 4 |
#5 | Park Jong Bae | 4 |
#6 | Jang Dong Seok | 4 |
#7 | Bae Sung Wook | 4 |
#8 | Kim Sung Min | 2 |
#9 | Kim Dong Hwan | 2 |
#10 | Kim Sungmin | 2 |
Publication | Filing date | Title |
---|---|---|
KR101847377B1 | Goudging apparatus for welding pipes with the function of adjusting groove depth | |
KR101865290B1 | Rotation cutter for goudging | |
KR101900027B1 | Apparatus for gouging of the welded pipe | |
KR20180056481A | Apparatus and method for manufacturing pipe having variable cross section | |
KR101841102B1 | Flexible mandrel for pipe molding | |
KR20180044598A | Device for removing submerged arc welding slag of a steel pipe weld zone | |
KR20180044580A | Device for removing surface impurities from the welded zone of submerged arc welded steel | |
KR20160077249A | Pipe production apparatus and method having a thickness variation | |
KR101590021B1 | Multi layer pipe mufacturing apparatus and the manufacturing method of multi layer pipe using this |