- All sections
- C - Chemistrymetallurgy
- C21B - Manufacture of iron or steel
- C21B 15/04 - Other processes for the manufacture of iron from iron compounds from iron carbonyl
Patent holdings for IPC class C21B 15/04
Total number of patents in this class: 22
10-year publication summary
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0
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1
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0
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0
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1
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0
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1
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0
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cvmr Corporation | 18 |
4 |
| Taniobis GmbH | 61 |
2 |
| Pine Castle Investments Limited | 82 |
2 |
| BASF SE | 20933 |
1 |
| Toshiba Corporation | 12336 |
1 |
| Samsung SDI Co., Ltd. | 8319 |
1 |
| Lockheed Martin Corporation | 3277 |
1 |
| Japan Science and Technology Agency | 1323 |
1 |
| Befesa Aluminio, S.L. | 6 |
1 |
| Directa Plus Patent & Technology Limited | 7 |
1 |
| Directa Plus S.r.l. | 2 |
1 |
| Global Advanced Metals Japan, K.K. | 6 |
1 |
| Nanogap Sub-nm Powder, Sociedad Anonima | 9 |
1 |
| Outotec (Finland) Oy | 480 |
1 |
| Universidade de Santiago de Compostela | 315 |
1 |
| University of Utah Research Foundation | 1807 |
1 |
| Edison Innovations, LLC | 750 |
1 |
| Other owners | 0 |