- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 13/00 - Obtaining lead
Patent holdings for IPC class C22B 13/00
Total number of patents in this class: 141
10-year publication summary
|
17
|
4
|
8
|
12
|
8
|
5
|
6
|
4
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Terralithium LLC | 55 |
5 |
| ArcelorMittal | 2052 |
4 |
| Beijing University of Chemical Technology | 301 |
4 |
| Beijing University of Technology | 470 |
4 |
| Goldcorp Inc. | 15 |
4 |
| Cirba Solutions US, Inc. | 14 |
4 |
| BASF SE | 20387 |
3 |
| Chilwee Power Co. Ltd | 8 |
3 |
| Kyushu University, National University Corporation | 1625 |
3 |
| Mitsubishi Materials Corporation | 2408 |
3 |
| Northeastern University | 520 |
3 |
| Sumitomo Metal Mining Co., Ltd. | 1726 |
3 |
| The University of British Columbia | 1465 |
3 |
| Yava Technologies Inc. | 9 |
3 |
| MPT Group LLC | 4 |
3 |
| Aqua Metals, Inc. | 37 |
2 |
| Cambridge Enterprise Limited | 1146 |
2 |
| Ecometales Limited | 16 |
2 |
| ENGITEC TECHNOLOGIES S.p.A. | 27 |
2 |
| Glencore Queensland Limited | 9 |
2 |
| Other owners | 79 |