- All sections
- C - Chemistrymetallurgy
- C21C - Processing of pig-iron, e.g. refining, manufacture of wrought-iron or steeltreatment in molten state of ferrous alloys
- C21C 5/02 - Crucible furnace processes
Patent holdings for IPC class C21C 5/02
Total number of patents in this class: 4
10-year publication summary
|
2
|
1
|
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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0
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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
|
|---|---|---|
| Lockheed Martin Corporation | 3308 |
1 |
| Nupro Corporation | 1 |
1 |
| Suzano S.A. | 193 |
1 |
| Covetic Quantum Solutions, LLC | 2 |
1 |
| Other owners | 0 |