- All sections
- C - Chemistrymetallurgy
- C21B - Manufacture of iron or steel
- C21B 15/02 - Metallothermic processes, e.g. thermit reduction
Patent holdings for IPC class C21B 15/02
Total number of patents in this class: 8
10-year publication summary
|
3
|
0
|
2
|
0
|
0
|
0
|
0
|
1
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Northwestern University | 3389 |
2 |
| Hitachi, Ltd. | 15484 |
1 |
| Council of Scientific and Industrial Research | 604 |
1 |
| Iluka Resources Limited | 37 |
1 |
| Midrex Technologies, Inc. | 109 |
1 |
| Northeastern University | 539 |
1 |
| Helios Project Ltd. | 19 |
1 |
| Other owners | 0 |