- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 8/76 - Carbo-nitriding of ferrous surfaces
Patent holdings for IPC class C23C 8/76
Total number of patents in this class: 11
10-year publication summary
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1
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0
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2
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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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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 2700 |
2 |
| H.e.f. | 127 |
2 |
| Commonwealth Steel Company Pty Ltd | 5 |
2 |
| NTN Corporation | 5008 |
1 |
| Frank's International, LLC | 241 |
1 |
| MAHLE International GmbH | 2670 |
1 |
| Winoa | 29 |
1 |
| Aktiebolaget SKF (publ) | 12 |
1 |
| Other owners | 0 |