- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 25/06 - Obtaining tin from scrap, especially tin scrap
Patent holdings for IPC class C22B 25/06
Total number of patents in this class: 58
10-year publication summary
|
7
|
5
|
5
|
3
|
2
|
4
|
2
|
6
|
7
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kunming University of Science and Technology | 179 |
3 |
| Nippon Mining & Metals Co., Ltd. | 115 |
3 |
| Attero Recycling Pvt. Ltd. | 24 |
3 |
| Metallo Belgium | 53 |
3 |
| Yunnan TIN Co. Ltd. TIN Branch | 9 |
3 |
| GB Group Holdings Limited | 2 |
2 |
| JX Nippon Mining & Metals Corporation | 1489 |
2 |
| Nihon Superior Sha Co., Ltd. | 9 |
2 |
| Regents of the University of Minnesota | 2690 |
2 |
| UWin Nanotech. Co., Ltd. | 3 |
2 |
| Mining and Process Solutions Pty Ltd | 10 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10928 |
1 |
| Alpha Assembly Solutions Inc. | 200 |
1 |
| Arizona Board of Regents on behalf of Arizona State University | 2612 |
1 |
| Aurubis AG | 67 |
1 |
| China University of Mining and Technology, Beijing | 93 |
1 |
| Digimet 2013, S.L. | 5 |
1 |
| Imperial College Innovations Limited | 583 |
1 |
| Imperial College of Science, Technology and Medicine | 143 |
1 |
| Kunming Diboo Technology Co., Ltd. | 7 |
1 |
| Other owners | 22 |