- 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 22/62 - Treatment of iron or alloys based thereon
Patent holdings for IPC class C23C 22/62
Total number of patents in this class: 72
10-year publication summary
|
10
|
8
|
10
|
5
|
7
|
3
|
4
|
1
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7589 |
8 |
| Voestalpine Stahl GmbH | 390 |
6 |
| Ethicon, Inc. | 1118 |
3 |
| Henkel AG & Co. KGaA | 10758 |
3 |
| Nisshin Steel Co., Ltd. | 382 |
3 |
| Illinois Tool Works Inc. | 11862 |
2 |
| Aktiebolaget SKF | 3142 |
2 |
| Bulk Chemicals, Inc. | 42 |
2 |
| Chemetall GmbH | 374 |
2 |
| ChemTreat, Inc. | 286 |
2 |
| Latitude 18, Inc. | 25 |
2 |
| Nihon Parkerizing Co., Ltd. | 297 |
2 |
| POSCO Co., Ltd. | 2021 |
2 |
| Westinghouse Electric Company LLC | 1194 |
2 |
| Gp&e America, Inc. | 3 |
2 |
| Shenzhen Changhongtai Technology Co., Ltd. | 16 |
2 |
| BASF SE | 21306 |
1 |
| Denso Corporation | 25645 |
1 |
| Indesit Company S.p.A. | 224 |
1 |
| Schaeffler Technologies AG & Co. KG | 11093 |
1 |
| Other owners | 23 |