- 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: 157
10-year publication summary
9
|
6
|
13
|
14
|
10
|
20
|
15
|
16
|
8
|
4
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Xi'an Jiaotong University | 651 |
16 |
Paul Wurth S.A. | 418 |
12 |
Baoshan Iron & Steel Co., Ltd. | 959 |
10 |
Truyoins S.r.l. | 8 |
8 |
Siemens Plc | 71 |
5 |
JFE Steel Corporation | 6809 |
5 |
Primetals Technologies Austria GmbH | 530 |
5 |
Siemens AG | 24525 |
4 |
Loesche GmbH | 82 |
4 |
Radmat AG | 19 |
4 |
Siemens VAI Metals Technologies GmbH | 222 |
3 |
ArcelorMittal | 2271 |
3 |
Tenova S.p.A. | 156 |
3 |
G.a.p. S.p.A. | 6 |
2 |
Midrex Technologies, Inc. | 109 |
2 |
POSCO | 2188 |
2 |
Shandong University | 1029 |
2 |
Uvån Holding AB | 16 |
2 |
CICSA S.r.l. | 10 |
2 |
Qingdao DaNeng Environmental Protection Equipment Co., Ltd. | 6 |
2 |
Other owners | 61 |