- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 25/02 - Obtaining tin by dry processes
Patent holdings for IPC class C22B 25/02
Total number of patents in this class: 39
10-year publication summary
|
0
|
2
|
2
|
3
|
2
|
6
|
1
|
6
|
2
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Metallo Belgium | 53 |
5 |
| Kinaltek Pty. Ltd. | 7 |
4 |
| China ENFI Engineering Corp. | 103 |
3 |
| GB Group Holdings Limited | 2 |
2 |
| Newsouth Innovations Pty Limited | 593 |
2 |
| Pukyong National University Industry-University Cooperation Foundation | 337 |
2 |
| A1engineering | 5 |
2 |
| Yunnan TIN Co. Ltd. TIN Branch | 9 |
2 |
| EnhancedGEO Holdings, LLC | 74 |
2 |
| BASF SE | 20926 |
1 |
| Hitachi, Ltd. | 15476 |
1 |
| Aurubis AG | 69 |
1 |
| China University of Mining and Technology, Beijing | 93 |
1 |
| The Industry & Academic Cooperation in Chungnam National University (IAC) | 455 |
1 |
| Korea Institute of Industrial Technology | 1011 |
1 |
| Kunming University of Science and Technology | 179 |
1 |
| Mitsui Mining & Smelting Co., Ltd. | 1481 |
1 |
| Sumitomo Heavy Industries, Ltd. | 1924 |
1 |
| Jiangsu University of Technology | 23 |
1 |
| Thorium Tech Solution Inc. | 4 |
1 |
| Other owners | 4 |