- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/22 - Iron ore cements
Patent holdings for IPC class C04B 7/22
Total number of patents in this class: 11
10-year publication summary
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0
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2
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0
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0
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0
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1
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2
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2
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0
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fundação de Amparo à Pesquisa do Estado de Minas Gerais-fapemig | 41 |
1 |
| Hppe LLC | 8 |
1 |
| Universidade Federal de Minas Gerais - Ufmg | 193 |
1 |
| Vale S.A. | 268 |
1 |
| China ENFI Engineering Corp. | 100 |
1 |
| Cementos Portland Valderrivas, S.A. | 18 |
1 |
| Keystone Powdered Metal Company | 22 |
1 |
| Iron Cement Pty Ltd | 1 |
1 |
| Material Evolution | 3 |
1 |
| Material. Evolution Ltd. | 6 |
1 |
| China ENFI Engineering Co., Ltd. | 5 |
1 |
| Other owners | 0 |