- 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 8/48 - Nitriding
Patent holdings for IPC class C23C 8/48
Total number of patents in this class: 30
10-year publication summary
2
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2
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4
|
0
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4
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2
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1
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1
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4
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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
|
---|---|---|
H.e.f. | 127 |
3 |
Hydromecanique et Frottement | 86 |
3 |
Robert Bosch GmbH | 40953 |
2 |
Industries Mailhot Inc. | 22 |
2 |
Halliburton Energy Services, Inc. | 20165 |
1 |
Honda Motor Co., Ltd. | 24537 |
1 |
Caterpillar Inc. | 8877 |
1 |
National Institute of Advanced Industrial Science and Technology | 3677 |
1 |
Alliance for Sustainable Energy, LLC | 698 |
1 |
BIOTRONIK AG | 387 |
1 |
Brembo S.p.A. | 444 |
1 |
DENTSPLY SIRONA Inc. | 1860 |
1 |
Dowa Thermotech Co., Ltd. | 41 |
1 |
ILJIN Light Metal Co., Ltd. | 6 |
1 |
Korea Delphi Automotive Systems Corporation | 21 |
1 |
Ningxia Orient Tantalum Industry Co., Ltd. | 47 |
1 |
Nippon Steel Corporation | 5649 |
1 |
Nittan Valve Co., Ltd. | 138 |
1 |
Paul Hettich GmbH & Co. KG | 479 |
1 |
PLANSEE SE | 233 |
1 |
Other owners | 4 |