- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 13/02 - Obtaining lead by dry processes
Patent holdings for IPC class C22B 13/02
Total number of patents in this class: 95
10-year publication summary
|
8
|
4
|
8
|
14
|
10
|
8
|
7
|
3
|
7
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Metallo Belgium | 53 |
8 |
| Northeastern University | 538 |
5 |
| China ENFI Engineering Corp. | 103 |
5 |
| Jiangsu New Chunxing Resource Recycling Co. Ltd | 10 |
5 |
| Umicore | 642 |
4 |
| Kunming University of Science and Technology | 179 |
3 |
| Mt2, LLC | 4 |
3 |
| Pukyong National University Industry-University Cooperation Foundation | 337 |
3 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2875 |
2 |
| Minex Technologies Limited | 2 |
2 |
| Newsouth Innovations Pty Limited | 593 |
2 |
| Orano Med | 53 |
2 |
| TCM Research Ltd. | 6 |
2 |
| Compañia Minera Pargo Minerals SpA | 4 |
2 |
| Illinois Tool Works Inc. | 11461 |
1 |
| Saudi Basic Industries Corporation | 571 |
1 |
| Air Products and Chemicals, Inc. | 1423 |
1 |
| Ausmelt Limited | 1 |
1 |
| Central South University | 436 |
1 |
| The Doe Run Resources Corporation | 5 |
1 |
| Other owners | 41 |