- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 1/08 - Chloridising roasting
Patent holdings for IPC class C22B 1/08
Total number of patents in this class: 51
10-year publication summary
|
1
|
4
|
6
|
2
|
4
|
4
|
2
|
1
|
1
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Group GmbH | 1135 |
4 |
| Blue Skies Research, Inc. | 4 |
3 |
| Hazen Research, Inc. | 5 |
2 |
| Lanxess Deutschland GmbH | 1111 |
2 |
| Minex Technologies Limited | 2 |
2 |
| South China University of Technology | 1815 |
2 |
| Terrapower, LLC | 331 |
2 |
| ThyssenKrupp Steel Europe AG | 962 |
2 |
| TCM Research Ltd. | 7 |
2 |
| Fu`an Kanqi Dynamic Technology Co Ltd | 2 |
2 |
| Minex Technology Group Limited | 2 |
2 |
| Hitachi Metals, Ltd. | 1968 |
1 |
| Andritz AG | 235 |
1 |
| Anglo Platinum Management Services (Pty) Ltd | 1 |
1 |
| Ash DEC Umwelt AG | 1 |
1 |
| Beijing University of Technology | 503 |
1 |
| Holcim Technology Ltd. | 727 |
1 |
| JFE Steel Corporation | 6998 |
1 |
| Kronos International, Inc. | 113 |
1 |
| Rustenburg Platinum Mines Limited | 3 |
1 |
| Other owners | 17 |