- All sections
- C - Chemistrymetallurgy
- C21B - Manufacture of iron or steel
- C21B 7/14 - Discharging devices, e.g. for slag
Patent holdings for IPC class C21B 7/14
Total number of patents in this class: 78
10-year publication summary
|
0
|
3
|
4
|
1
|
7
|
6
|
2
|
4
|
9
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SunCoke Technology and Development LLC | 246 |
12 |
| JFE Steel Corporation | 7387 |
5 |
| Novelis Inc. | 773 |
4 |
| POSCO | 2153 |
3 |
| Enduro Composites, Inc. | 30 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4071 |
2 |
| Nippon Steel Corporation | 6738 |
2 |
| Outotec (Finland) Oy | 458 |
2 |
| Paul Wurth S.A. | 432 |
2 |
| Primetals Technologies Austria GmbH | 569 |
2 |
| TMT Tapping-Measuring-Technology GmbH | 13 |
2 |
| Wisdri Engineering & Research Incorporation Limited | 222 |
2 |
| Rewell Refractory Zhengzhou Co., Ltd | 2 |
2 |
| Siemens VAI Metals Technologies GmbH | 206 |
1 |
| Air Liquide Deutschland G.m.b.H | 52 |
1 |
| ArcelorMittal Investigacion y Desarrollo SL | 208 |
1 |
| BBC Co., Ltd. | 17 |
1 |
| Cisdi Engineering Co., Ltd. | 106 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 714 |
1 |
| Diavac Limited | 4 |
1 |
| Other owners | 29 |