- All sections
- C - Chemistrymetallurgy
- C21B - Manufacture of iron or steel
- C21B 9/08 - Iron hot-blast stoves
Patent holdings for IPC class C21B 9/08
Total number of patents in this class: 4
10-year publication summary
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0
|
0
|
0
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2
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0
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0
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0
|
1
|
0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Systems Spray Cooled, Inc. | 50 |
2 |
| JFE Steel Corporation | 6840 |
1 |
| Siemens Energy Global GmbH & Co. KG | 2957 |
1 |
| Other owners | 0 |