- 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: 119
10-year publication summary
|
8
|
7
|
12
|
13
|
3
|
10
|
4
|
6
|
8
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xi'an Jiaotong University | 656 |
20 |
| Baoshan Iron & Steel Co., Ltd. | 964 |
8 |
| Hatch Ltd. | 214 |
5 |
| Northeastern University | 539 |
5 |
| Siemens AG | 24484 |
4 |
| Paul Wurth S.A. | 419 |
4 |
| Siemens Plc | 71 |
3 |
| ArcelorMittal | 2285 |
3 |
| Eco'ring | 15 |
3 |
| JFE Steel Corporation | 6840 |
3 |
| Mid-American Gunite, Inc. | 29 |
3 |
| Outotec (Finland) Oy | 480 |
3 |
| Ecomaister Co., Ltd. | 14 |
2 |
| POSCO | 2186 |
2 |
| Primetals Technologies Austria GmbH | 532 |
2 |
| Shandong Coking Group Co., Ltd. | 4 |
2 |
| Umicore | 642 |
2 |
| Yuanchu Technology (Beijing) Co., Ltd. | 20 |
2 |
| Radmat AG | 19 |
2 |
| Metso Outotec Finland Oy | 361 |
2 |
| Other owners | 39 |