- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment 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: 89
10-year publication summary
4
|
8
|
4
|
8
|
14
|
10
|
8
|
7
|
3
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Metallo Belgium | 53 |
8 |
Northeastern University | 493 |
5 |
China ENFI Engineering Corp. | 91 |
5 |
Jiangsu New Chunxing Resource Recycling Co. Ltd | 10 |
5 |
Minex Technologies Limited | 5 |
3 |
Mt2, LLC | 5 |
3 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
Pukyong National University Industry-University Cooperation Foundation | 254 |
2 |
Umicore | 542 |
2 |
University of Science and Technology Beijing | 245 |
2 |
Orano Med | 45 |
2 |
TCM Research Ltd. | 6 |
2 |
Compañia Minera Pargo Minerals SpA | 4 |
2 |
Metso Metals Oy | 205 |
2 |
Illinois Tool Works Inc. | 11152 |
1 |
Saudi Basic Industries Corporation | 625 |
1 |
Air Products and Chemicals, Inc. | 1448 |
1 |
Ausmelt Limited | 1 |
1 |
Central South University | 364 |
1 |
Commonwealth Scientific and Industrial Research Organisation | 1652 |
1 |
Other owners | 38 |