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Sung Keun NOH
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Suwon-si, Gyeonggi-do, KR
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Patents Grants
last 30 patents
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Patent Grant
Seam forming apparatus for elbow duct
Patent number
12,214,396
Issue date
Feb 4, 2025
Sung Keun Noh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Duct cutting-and-forming device for elbow duct manufacturing device
Patent number
12,151,272
Issue date
Nov 26, 2024
Ok Tae Kim
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Apparatus for forming flange of circular duct
Patent number
12,145,186
Issue date
Nov 19, 2024
Sung Keun Noh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
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Patent Application
SEAM FORMING APPARATUS FOR ELBOW DUCT
Publication number
20230249238
Publication date
Aug 10, 2023
Sung Keun Noh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
APPARATUS FOR FORMING FLANGE OF CIRCULAR DUCT
Publication number
20230030153
Publication date
Feb 2, 2023
Sung Keun NOH
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
DUCT CUTTING-AND-FORMING DEVICE FOR ELBOW DUCT MANUFACTURING DEVICE
Publication number
20220274147
Publication date
Sep 1, 2022
Ok Tae KIM
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...