- 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 4/04 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
Patent holdings for IPC class C23C 4/04
Total number of patents in this class: 422
10-year publication summary
|
29
|
32
|
32
|
26
|
21
|
32
|
26
|
23
|
11
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujimi Incorporated | 743 |
19 |
| Rtx Corporation | 9445 |
16 |
| General Electric Company | 13859 |
15 |
| United Technologies Corporation | 2241 |
11 |
| Rolls-Royce North American Technologies, Inc. | 1170 |
11 |
| Shin-Etsu Chemical Co., Ltd. | 5687 |
10 |
| Tocalo Co., Ltd. | 103 |
10 |
| Applied Materials, Inc. | 18892 |
9 |
| Tokyo Electron Limited | 12899 |
9 |
| Hewlett-Packard Development Company, L.P. | 25793 |
8 |
| Rolls-Royce Corporation | 1760 |
8 |
| The Boeing Company | 20124 |
7 |
| Oerlikon Metco (US) Inc. | 206 |
7 |
| GE Infrastructure Technology, LLC | 6248 |
7 |
| Nippon Yttrium Co., Ltd. | 17 |
6 |
| Safran Aircraft Engines | 6306 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8787 |
5 |
| Komico Ltd. | 58 |
5 |
| Bayerische Motoren Werke Aktiengesellschaft | 14476 |
4 |
| ECKART GmbH | 317 |
4 |
| Other owners | 245 |