- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 5/10 - Dry processes by solid carbonaceous reducing agents
Patent holdings for IPC class C22B 5/10
Total number of patents in this class: 299
10-year publication summary
|
15
|
17
|
14
|
15
|
16
|
8
|
21
|
19
|
35
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Metal Mining Co., Ltd. | 1787 |
50 |
| Technological Resources Pty. Limited | 457 |
14 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2875 |
9 |
| Tata Steel Limited | 175 |
8 |
| Carbon Technology Holdings, LLC | 215 |
6 |
| Elkem AS | 61 |
5 |
| China ENFI Engineering Corp. | 103 |
5 |
| Her Majesty the Queen in right of Canada, as represented by the Minister of Natural Resources | 105 |
4 |
| Kunming University of Science and Technology | 189 |
4 |
| Newsouth Innovations Pty Limited | 596 |
4 |
| Gron Metallic Group, Inc. | 4 |
4 |
| Alcoa Inc. | 284 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1660 |
3 |
| JFE Steel Corporation | 6892 |
3 |
| Vale S.A. | 272 |
3 |
| Bozel Brasil SA | 4 |
3 |
| Obschestvo S Ogranichennoi Otvetstvennostyu "vi Kholding" | 5 |
3 |
| Tata Steel Limited | 17 |
3 |
| Central South University | 446 |
2 |
| Ecoloop GmbH | 22 |
2 |
| Other owners | 161 |