- All sections
- C - Chemistrymetallurgy
- C21B - Manufacture of iron or steel
- C21B 3/08 - Cooling slag
Patent holdings for IPC class C21B 3/08
Total number of patents in this class: 165
10-year publication summary
|
6
|
13
|
13
|
10
|
17
|
11
|
15
|
8
|
8
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xi'an Jiaotong University | 703 |
16 |
| Paul Wurth S.A. | 430 |
12 |
| Baoshan Iron & Steel Co., Ltd. | 1072 |
10 |
| Truyoins S.r.l. | 8 |
8 |
| Siemens Plc | 71 |
5 |
| JFE Steel Corporation | 7339 |
5 |
| Primetals Technologies Austria GmbH | 565 |
5 |
| Siemens AG | 24236 |
4 |
| Radmat AG | 20 |
4 |
| Siemens VAI Metals Technologies GmbH | 208 |
3 |
| ArcelorMittal | 2525 |
3 |
| G.a.p. S.p.A. | 7 |
3 |
| Loesche GmbH | 79 |
3 |
| Tenova S.p.A. | 154 |
3 |
| Midrex Technologies, Inc. | 112 |
2 |
| Nucor Corporation | 411 |
2 |
| POSCO | 2155 |
2 |
| Shandong University | 1115 |
2 |
| Uvån Holding AB | 16 |
2 |
| CICSA S.r.l. | 10 |
2 |
| Other owners | 69 |