- All sections
- C - Chemistrymetallurgy
- C21D - Modifying the physical structure of ferrous metalsgeneral devices for heat treatment of ferrous or non-ferrous metals or alloysmaking metal malleable, e.g. by decarburisation or tempering
- C21D 1/82 - Descaling by thermal stresses
Patent holdings for IPC class C21D 1/82
Total number of patents in this class: 6
10-year publication summary
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0
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0
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0
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0
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0
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1
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3
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1
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hindustan Petroleum Corporation Limited | 228 |
2 |
| Aperam | 138 |
1 |
| JFE Steel Corporation | 7527 |
1 |
| Tata Steel Ijmuiden B.V. | 326 |
1 |
| ThyssenKrupp Steel Europe AG | 990 |
1 |
| Other owners | 0 |