- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 4/02 - Light metals
Patent holdings for IPC class C22B 4/02
Total number of patents in this class: 78
10-year publication summary
|
5
|
3
|
4
|
1
|
17
|
2
|
7
|
6
|
8
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 231 |
41 |
| Nemaska Lithium Inc. | 77 |
3 |
| National Institutes for Quantum Science and Technology | 178 |
2 |
| K.K. Sun Metalon | 29 |
2 |
| Schlumberger Technology Corporation | 11767 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4030 |
1 |
| Massachusetts Institute of Technology | 10237 |
1 |
| Tsinghua University | 6199 |
1 |
| Alcoa Inc. | 256 |
1 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2290 |
1 |
| Auckland UniServices Limited | 500 |
1 |
| Biogenic Reagents LLC | 11 |
1 |
| Biogenic Reagents Ventures, LLC | 4 |
1 |
| Commonwealth Scientific and Industrial Research Organisation | 1659 |
1 |
| Dubai Aluminium PJSC | 68 |
1 |
| Elkem AS | 56 |
1 |
| Enviro Water Minerals Company, Inc. | 24 |
1 |
| GfE Metalle und Materialien GmbH | 12 |
1 |
| Hirosaki University | 153 |
1 |
| Reed Advanced Materials Pty Ltd | 15 |
1 |
| Other owners | 14 |