- All sections
- C - Chemistrymetallurgy
- C23C - Coating metallic materialcoating material with metallic materialsurface treatment of metallic material by diffusion into the surface, by chemical conversion or substitutioncoating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 2/04 - Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shapeApparatus therefor characterised by the coating material
Patent holdings for IPC class C23C 2/04
Total number of patents in this class: 297
10-year publication summary
|
16
|
21
|
21
|
32
|
30
|
18
|
21
|
15
|
18
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2522 |
39 |
| Nippon Steel Corporation | 6661 |
36 |
| POSCO Co., Ltd. | 1653 |
26 |
| JFE Steel Corporation | 7308 |
15 |
| ThyssenKrupp Steel Europe AG | 977 |
10 |
| BlueScope Steel Limited | 218 |
9 |
| ArcelorMittal France | 81 |
6 |
| ArcelorMittal Investigacion y Desarrollo SL | 208 |
6 |
| Ltag Systems LLC | 39 |
6 |
| POSCO | 2155 |
5 |
| Illinois Tool Works Inc. | 11710 |
4 |
| GM Global Technology Operations LLC | 15721 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1985 |
4 |
| ThyssenKrupp AG | 3462 |
4 |
| Abbott Cardiovascular Systems, Inc. | 1099 |
3 |
| Kohler Co. | 4123 |
3 |
| Henkel AG & Co. KGaA | 10707 |
3 |
| Kobe Steel, Ltd. | 893 |
3 |
| Nippon Soda Co., Ltd. | 885 |
3 |
| Salzgitter Flachstahl GmbH | 161 |
3 |
| Other owners | 105 |