- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 35/00 - Master alloys for iron or steel
Patent holdings for IPC class C22C 35/00
Total number of patents in this class: 79
10-year publication summary
|
3
|
5
|
10
|
7
|
5
|
5
|
3
|
10
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AB Ferrolegeringar | 6 |
5 |
| Elkem ASA | 206 |
4 |
| Northeastern University | 524 |
4 |
| Elkem AS | 62 |
3 |
| Outotec (Finland) Oy | 489 |
3 |
| Ferropem | 16 |
2 |
| Grirem Advanced Materials Co., Ltd. | 127 |
2 |
| JFE Material Co., Ltd. | 15 |
2 |
| Lanxess Deutschland GmbH | 1121 |
2 |
| Newsouth Innovations Pty Limited | 593 |
2 |
| North-West University | 58 |
2 |
| Companhia Brasileira de Metalurgia e Mineracao | 17 |
2 |
| Advanced Alloys SA | 7 |
2 |
| Grirem Hi-Tech Co., Ltd. | 34 |
2 |
| Rare Earth Functional Materials (xiong 'an) Innovation Center Co., Ltd | 27 |
2 |
| Dkmt Plus Ltd | 2 |
2 |
| Metso Metals Oy | 222 |
2 |
| Aubert & Duval | 108 |
1 |
| Beijing University of Technology | 476 |
1 |
| Federal-Mogul Corporation | 335 |
1 |
| Other owners | 33 |