- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 23/06 - Refining
Patent holdings for IPC class C22B 23/06
Total number of patents in this class: 71
10-year publication summary
|
4
|
4
|
7
|
2
|
0
|
2
|
7
|
4
|
5
|
0
|
| 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. | 1726 |
8 |
| Cvmr Corporation | 19 |
3 |
| Hatch Ltd. | 215 |
3 |
| Tesla, Inc. | 1626 |
3 |
| BASF SE | 20387 |
2 |
| 5N Plus Inc. | 45 |
2 |
| Enpar Technologies Inc. | 8 |
2 |
| Guangdong Brunp Recycling Technology Co., Ltd | 971 |
2 |
| Hunan Brunp Recycling Technology Co., Ltd. | 928 |
2 |
| POSCO | 2204 |
2 |
| Vale S.A. | 264 |
2 |
| Rocher Manganese, Inc. | 6 |
2 |
| Honeywell International Inc. | 14007 |
1 |
| Sumitomo Chemical Company, Limited | 8976 |
1 |
| ATI Properties LLC | 203 |
1 |
| BHP Billiton SSM Development Pty Ltd. | 30 |
1 |
| Companhia Vale do Rio Doce | 17 |
1 |
| Glencore Technology Pty Ltd | 46 |
1 |
| Heraeus Deutschland GmbH & Co. KG | 437 |
1 |
| Johnson Matthey Public Limited Company | 1850 |
1 |
| Other owners | 30 |