- 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 8/54 - Carbo-nitriding
Patent holdings for IPC class C23C 8/54
Total number of patents in this class: 33
10-year publication summary
4
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1
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2
|
1
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4
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1
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1
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1
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2
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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
|
---|---|---|
Dk-lok Corporation | 15 |
4 |
Tokyo Electron Limited | 11599 |
3 |
H.e.f. | 127 |
3 |
MacLean-Fogg Company | 102 |
3 |
Robert Bosch GmbH | 40953 |
2 |
GLOBALFOUNDRIES U.S. Inc. | 6459 |
2 |
Industries Mailhot Inc. | 22 |
2 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
Caterpillar Inc. | 8877 |
1 |
Empire Technology Development LLC | 1636 |
1 |
BAE Systems Land & Armaments, L.P. | 58 |
1 |
IAP Research, Inc. | 3 |
1 |
MAHLE International GmbH | 2670 |
1 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
1 |
Paul Hettich GmbH & Co. KG | 479 |
1 |
Safran Ceramics | 366 |
1 |
Swagelok Company | 325 |
1 |
Tenneco Automotive Operating Company Inc. | 658 |
1 |
The University of Birmingham | 393 |
1 |
Safran Landing Systems | 621 |
1 |
Other owners | 0 |