- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 1/216 - Sintering; Agglomerating in rotary furnaces
Patent holdings for IPC class C22B 1/216
Total number of patents in this class: 19
10-year publication summary
|
0
|
2
|
2
|
0
|
1
|
0
|
5
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2905 |
5 |
| Adelaide Control Engineers Pty Ltd. | 8 |
4 |
| Zhongye Changtian International Engineering Co., Ltd. | 75 |
2 |
| Aurubis AG | 60 |
1 |
| Baoshan Iron & Steel Co., Ltd. | 890 |
1 |
| Nippon Steel Corporation | 5991 |
1 |
| Nu-Iron Technology, LLC | 39 |
1 |
| Outotec (Finland) Oy | 489 |
1 |
| Vale S.A. | 264 |
1 |
| Shandong Molong Petroleum Machinery Co., Ltd. | 21 |
1 |
| Paya Sanat Sama Co. | 1 |
1 |
| Other owners | 0 |