- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 1/26 - Cooling of roasted, sintered, or agglomerated ores
Patent holdings for IPC class C22B 1/26
Total number of patents in this class: 61
10-year publication summary
|
5
|
1
|
2
|
2
|
4
|
2
|
8
|
5
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Outotec Oyj | 278 |
7 |
| Luossavaara-Kiirunavaara AB | 114 |
5 |
| JP Steel Plantech Co. | 82 |
4 |
| Calix Ltd | 93 |
3 |
| Paul Wurth S.A. | 419 |
3 |
| Primetals Technologies Austria GmbH | 531 |
3 |
| Vale S.A. | 270 |
3 |
| Siemens VAI Metals Technologies GmbH | 222 |
2 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1236 |
2 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1205 |
2 |
| POSCO | 2187 |
2 |
| POSTECH Academy-industry Foundation | 1090 |
2 |
| Primetals Technologies Japan, Ltd. | 162 |
2 |
| U.S. Borax Inc. | 114 |
2 |
| Paul Wurth Deutschland GmbH | 24 |
2 |
| Zhongye Changtian International Engineering Co., Ltd. | 76 |
2 |
| Australian Nuclear Science and Technology Organisation | 69 |
1 |
| Ecolab USA Inc. | 5475 |
1 |
| Iluka Resources Limited | 37 |
1 |
| North China University of Science and Technology | 98 |
1 |
| Other owners | 11 |