- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 19/34 - Obtaining zinc oxide
Patent holdings for IPC class C22B 19/34
Total number of patents in this class: 42
10-year publication summary
|
3
|
0
|
1
|
4
|
3
|
0
|
3
|
5
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sichuan Juhong Technology Co., Ltd. | 8 |
4 |
| Chongqing Dongqun Technology Co., Ltd. | 5 |
3 |
| Glencore Queensland Limited | 9 |
2 |
| Glencore Technology Pty Ltd | 50 |
2 |
| Metallic Waste Solutions Pty Ltd. | 4 |
2 |
| Sichuan Xinhong Technology Co., Ltd | 3 |
2 |
| Steel Dynamics Investments LLC | 2 |
2 |
| Zincovery Process Technologies Limited | 5 |
2 |
| Metso Metals Oy | 194 |
2 |
| Austpac Resources N.L. | 3 |
1 |
| JFE Steel Corporation | 6708 |
1 |
| JX Nippon Mining & Metals Corporation | 1502 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2862 |
1 |
| King Saud University | 391 |
1 |
| M. Technique Co., Ltd. | 246 |
1 |
| Metaleach Limited | 16 |
1 |
| Nippon Mining & Metals Co., Ltd. | 128 |
1 |
| Praxair Technology, Inc. | 1319 |
1 |
| SGL Carbon SE | 387 |
1 |
| Umicore | 618 |
1 |
| Other owners | 10 |