- All sections
- C - Chemistrymetallurgy
- C21C - Processing of pig-iron, e.g. refining, manufacture of wrought-iron or steeltreatment in molten state of ferrous alloys
- C21C 5/50 - Tilting mechanisms for converters
Patent holdings for IPC class C21C 5/50
Total number of patents in this class: 38
10-year publication summary
|
1
|
2
|
2
|
1
|
0
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0
|
3
|
1
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1
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens VAI Metals Technologies GmbH | 206 |
6 |
| Danieli & C. Officine Meccaniche S.p.A. | 714 |
5 |
| SMS Group GmbH | 1174 |
4 |
| SMS Siemag Aktiengesellschaft | 490 |
4 |
| Primetals Technologies Austria GmbH | 569 |
2 |
| SMS Demag AG | 41 |
2 |
| Uvån Holding AB | 16 |
2 |
| Aktiebolaget SKF | 3097 |
1 |
| Cisdi Engineering Co., Ltd. | 106 |
1 |
| Edw. C. Levy Co. | 49 |
1 |
| Outotec Oyj | 237 |
1 |
| POSCO | 2153 |
1 |
| POSCO Co., Ltd. | 1680 |
1 |
| SunCoke Technology and Development LLC | 246 |
1 |
| Tata Steel Limited | 162 |
1 |
| SKF Australia Pty Ltd | 7 |
1 |
| Metso Metals Oy | 219 |
1 |
| American Hydraulic Services, Inc. | 2 |
1 |
| Standard Engineering, LLC | 1 |
1 |
| Metso Metals Oy | 4 |
1 |
| Other owners | 0 |