- 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 8/04 - Treatment of selected surface areas, e.g. using masks
Patent holdings for IPC class C23C 8/04
Total number of patents in this class: 93
10-year publication summary
|
13
|
3
|
6
|
6
|
8
|
3
|
3
|
0
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13822 |
9 |
| GM Global Technology Operations LLC | 15941 |
4 |
| Aircraft Gear Corporation | 33 |
4 |
| Blue Origin Manufacturing, LLC | 317 |
4 |
| Federal-Mogul Burscheid GmbH | 279 |
3 |
| JFE Steel Corporation | 7407 |
3 |
| Nitruvid | 3 |
3 |
| Halliburton Energy Services, Inc. | 21257 |
2 |
| Robert Bosch GmbH | 43788 |
2 |
| Applied Materials, Inc. | 20145 |
2 |
| Dk-lok Corporation | 16 |
2 |
| Hyundai Steel Company | 508 |
2 |
| NHK Spring Co., Ltd. | 1950 |
2 |
| Rtx Corporation | 9946 |
2 |
| Magnolia White Corporation | 5575 |
2 |
| Apple Inc. | 58268 |
1 |
| Samsung Display Co., Ltd. | 38092 |
1 |
| Honda Motor Co., Ltd. | 25903 |
1 |
| Siemens AG | 24132 |
1 |
| Ford Motor Company | 2675 |
1 |
| Other owners | 42 |