- All sections
- C - Chemistrymetallurgy
- C21B - Manufacture of iron or steel
- C21B 3/06 - Treatment of liquid slag
Patent holdings for IPC class C21B 3/06
Total number of patents in this class: 133
10-year publication summary
|
7
|
12
|
13
|
3
|
10
|
4
|
6
|
8
|
8
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xi'an Jiaotong University | 736 |
21 |
| Baoshan Iron & Steel Co., Ltd. | 1102 |
7 |
| Hatch Ltd. | 221 |
5 |
| Northeastern University | 573 |
5 |
| Siemens AG | 24029 |
4 |
| Paul Wurth S.A. | 432 |
4 |
| Umicore | 775 |
4 |
| Siemens Plc | 70 |
3 |
| ArcelorMittal | 2672 |
3 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
3 |
| JFE Steel Corporation | 7527 |
3 |
| Mid-American Gunite, Inc. | 27 |
3 |
| Outotec (Finland) Oy | 455 |
3 |
| Eco'ring | 15 |
2 |
| Ecomaister Co., Ltd. | 13 |
2 |
| Harsco Metals Group Limited | 9 |
2 |
| POSCO | 2143 |
2 |
| Primetals Technologies Austria GmbH | 573 |
2 |
| Shandong Coking Group Co., Ltd. | 4 |
2 |
| Cix Inc | 4 |
2 |
| Other owners | 51 |