Seoul
South Korea
6
2024-05-16
The entities that hold a legal rights for patent applications filed by inventor Lee Jongsub:
Jongsub Lee from Seoul, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
Methods of welding high manganese steel with step-out weld zone erosion-corrosion resistance
#2 | 2020-03-19High manganese steel pipe with step-out weld zone erosion-corrosion resistance and method of making the same
#3 | 2020-03-19Field girth welding technology for high manganese steel slurry pipelines
#4 | 2018-01-25Field girth welding technology for high manganese steel slurry pipelines
#5 | 2017-11-02Field dissimilar metal welding technology for enhanced wear resistant high manganese steel
#6 | 2017-11-02High manganese steel pipe with step-out weld zone erosion-corrosion resistance and method of making the same
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