- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment 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: 56
10-year publication summary
|
4
|
5
|
1
|
2
|
2
|
4
|
2
|
8
|
5
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Outotec Oyj | 318 |
7 |
| JP Steel Plantech Co. | 80 |
4 |
| Calix Ltd | 86 |
3 |
| Luossavaara-Kiirunavaara AB | 78 |
3 |
| Paul Wurth S.A. | 392 |
3 |
| Primetals Technologies Austria GmbH | 479 |
3 |
| Vale S.A. | 262 |
3 |
| Siemens VAI Metals Technologies GmbH | 233 |
2 |
| POSCO | 2222 |
2 |
| POSTECH Academy-industry Foundation | 1101 |
2 |
| Primetals Technologies Japan, Ltd. | 143 |
2 |
| Paul Wurth Deutschland GmbH | 28 |
2 |
| Zhongye Changtian International Engineering Co., Ltd. | 73 |
2 |
| Alvin C. Johnson, Jr. | 1 |
1 |
| Australian Nuclear Science and Technology Organisation | 71 |
1 |
| Ecolab USA Inc. | 5190 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 674 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 622 |
1 |
| Iluka Resources Limited | 32 |
1 |
| North China University of Science and Technology | 71 |
1 |
| Other owners | 11 |