- 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: 81
10-year publication summary
|
5
|
10
|
7
|
5
|
5
|
3
|
10
|
5
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AB Ferrolegeringar | 6 |
5 |
| Elkem ASA | 210 |
4 |
| Northeastern University | 572 |
4 |
| Elkem AS | 57 |
3 |
| Outotec (Finland) Oy | 455 |
3 |
| Metso Metals Oy | 226 |
3 |
| Grirem Advanced Materials Co., Ltd. | 140 |
2 |
| JFE Material Co., Ltd. | 13 |
2 |
| Lanxess Deutschland GmbH | 1140 |
2 |
| Newsouth Innovations Pty Limited | 620 |
2 |
| Companhia Brasileira de Metalurgia e Mineracao | 17 |
2 |
| Advanced Alloys SA | 7 |
2 |
| Grirem Hi-Tech Co., Ltd. | 49 |
2 |
| Rare Earth Functional Materials (xiong 'an) Innovation Center Co., Ltd | 31 |
2 |
| Dkmt Plus Ltd | 2 |
2 |
| Aubert & Duval | 114 |
1 |
| Beijing University of Technology | 519 |
1 |
| Federal-Mogul Corporation | 245 |
1 |
| Federal-Mogul Powertrain LLC | 274 |
1 |
| Ferropem | 13 |
1 |
| Other owners | 36 |