- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 19/38 - Obtaining zinc oxide in rotary furnaces
Patent holdings for IPC class C22B 19/38
Total number of patents in this class: 6
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
2
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6067 |
1 |
| Montanuniversitaet Leoben | 29 |
1 |
| S.A. Lhoist Recherche et Developpement | 163 |
1 |
| Sumitomo Heavy Industries, Ltd. | 1670 |
1 |
| Montanuniversität Leoben | 54 |
1 |
| Osaka Steel Co.,Ltd. | 5 |
1 |
| Other owners | 0 |