- 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: 139
10-year publication summary
18
|
17
|
4
|
8
|
12
|
8
|
5
|
6
|
4
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ArcelorMittal | 1887 |
4 |
Beijing University of Chemical Technology | 287 |
4 |
Beijing University of Technology | 437 |
4 |
Goldcorp Inc. | 15 |
4 |
The University of British Columbia | 1432 |
4 |
Terralithium LLC | 52 |
4 |
Cirba Solutions US, Inc. | 14 |
4 |
BASF SE | 19740 |
3 |
Chilwee Power Co. Ltd | 8 |
3 |
Kyushu University, National University Corporation | 1572 |
3 |
Northeastern University | 493 |
3 |
Sumitomo Metal Mining Co., Ltd. | 1670 |
3 |
Yava Technologies Inc. | 9 |
3 |
MPT Group LLC | 4 |
3 |
Aqua Metals, Inc. | 39 |
2 |
Cambridge Enterprise Limited | 1096 |
2 |
Ecometales Limited | 12 |
2 |
ENGITEC TECHNOLOGIES S.p.A. | 24 |
2 |
Glencore Queensland Limited | 9 |
2 |
Glencore Technology Pty Ltd | 46 |
2 |
Other owners | 78 |