- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment 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: 31
10-year publication summary
4
|
0
|
2
|
2
|
3
|
2
|
6
|
1
|
6
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Metallo Belgium | 53 |
5 |
China ENFI Engineering Corp. | 91 |
3 |
Kinaltek Pty. Ltd. | 6 |
3 |
GB Group Holdings Limited | 2 |
2 |
A1engineering | 5 |
2 |
Yunnan TIN Co. Ltd. TIN Branch | 9 |
2 |
BASF SE | 19740 |
1 |
Hitachi, Ltd. | 16452 |
1 |
Aurubis AG | 56 |
1 |
The Industry & Academic Cooperation in Chungnam National University (IAC) | 392 |
1 |
Korea Institute of Industrial Technology | 994 |
1 |
Kunming University of Science and Technology | 117 |
1 |
Mitsui Mining & Smelting Co., Ltd. | 1373 |
1 |
Newsouth Innovations Pty Limited | 567 |
1 |
Pukyong National University Industry-University Cooperation Foundation | 254 |
1 |
Sumitomo Heavy Industries, Ltd. | 1670 |
1 |
Jiangsu University of Technology | 18 |
1 |
Thorium Tech Solution Inc. | 3 |
1 |
Yangzhou Ningda Noble Metal Co Ltd | 2 |
1 |
Copper Branch Company of Yunnan TIN Company Limited | 1 |
1 |
Other owners | 0 |