- All sections
- C - Chemistrymetallurgy
- C10B - Destructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials
- C10B 21/18 - Recirculating the flue gases
Patent holdings for IPC class C10B 21/18
Total number of patents in this class: 25
10-year publication summary
|
1
|
2
|
5
|
4
|
6
|
0
|
3
|
0
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp AG | 3254 |
4 |
| ThyssenKrupp Industrial Solutions AG | 636 |
4 |
| SunCoke Technology and Development LLC | 231 |
3 |
| Circular Resources (IP) Pte Limited | 4 |
3 |
| Korea Institute of Industrial Technology | 1011 |
1 |
| POSCO | 2188 |
1 |
| Research Institute of Industrial Science & Technology | 474 |
1 |
| Street Design Corp. | 6 |
1 |
| Uhde GmbH | 138 |
1 |
| Vallourec Tubos do Brasil S.A. | 12 |
1 |
| Valmet Technologies Oy | 286 |
1 |
| Standard Gas Limited | 8 |
1 |
| BioForce Tech Corporation | 6 |
1 |
| Envigas AB | 1 |
1 |
| Energy Research Institute of Shandong Academy of Sciences | 7 |
1 |
| Other owners | 0 |