- 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 8/46 - Carburising of ferrous surfaces
Patent holdings for IPC class C23C 8/46
Total number of patents in this class: 11
10-year publication summary
1
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1
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3
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1
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0
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2
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1
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1
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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
|
---|---|---|
Caterpillar Inc. | 8877 |
1 |
NTN Corporation | 5008 |
1 |
Hilti Aktiengesellschaft | 3227 |
1 |
Aktiebolaget SKF | 2700 |
1 |
Great Lakes Armor Systems, Inc. | 4 |
1 |
MAHLE International GmbH | 2670 |
1 |
NHK Spring Co., Ltd. | 1657 |
1 |
Nihon Parkerizing Co., Ltd. | 274 |
1 |
Outokumpu Oyj | 250 |
1 |
ThyssenKrupp Steel Europe AG | 924 |
1 |
Commonwealth Steel Company Pty Ltd | 5 |
1 |
Other owners | 0 |