- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 26/22 - Obtaining magnesium
Patent holdings for IPC class C22B 26/22
Total number of patents in this class: 234
10-year publication summary
|
26
|
16
|
15
|
7
|
9
|
20
|
14
|
19
|
31
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Worcester Polytechnic Institute | 476 |
9 |
| Alliance Magnesium | 15 |
6 |
| Commonwealth Scientific and Industrial Research Organisation | 1675 |
5 |
| Sumitomo Metal Mining Co., Ltd. | 1730 |
4 |
| Xiangtan University | 55 |
4 |
| Hunan S.r.m Science and Technology Co., Ltd | 5 |
4 |
| AEM Technologies Inc. | 34 |
4 |
| BHP Billiton SSM Development Pty Ltd. | 30 |
3 |
| Guangdong Brunp Recycling Technology Co., Ltd | 981 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 945 |
3 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 609 |
3 |
| The Regents of the University of Colorado, a body corporate | 2530 |
3 |
| Research Institute of Industrial Science & Technology | 449 |
3 |
| Toho Titanium Co., Ltd. | 246 |
3 |
| Vale S.A. | 264 |
3 |
| Zhengzhou University | 107 |
3 |
| Alliance Magnesium Inc. | 5 |
3 |
| AEM Canada Group Inc. | 13 |
3 |
| Negative Emissions Materials, Inc. | 12 |
3 |
| Big Blue Technologies, Inc. | 3 |
3 |
| Other owners | 159 |