- 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 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
Patent holdings for IPC class C23C 4/12
Total number of patents in this class: 874
10-year publication summary
|
128
|
71
|
49
|
39
|
28
|
26
|
22
|
14
|
25
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24353 |
34 |
| Rtx Corporation | 9483 |
27 |
| General Electric Company | 13859 |
24 |
| Nissan Motor Co., Ltd. | 12572 |
16 |
| Oerlikon Metco (US) Inc. | 206 |
16 |
| Fujimi Incorporated | 761 |
15 |
| Praxair S.T. Technology, Inc. | 129 |
12 |
| GE Infrastructure Technology, LLC | 6252 |
12 |
| Tokyo Electron Limited | 12994 |
11 |
| MTU Aero Engines GmbH | 489 |
10 |
| United Technologies Corporation | 2241 |
9 |
| Applied Materials, Inc. | 18968 |
9 |
| Bayerische Motoren Werke Aktiengesellschaft | 14506 |
9 |
| Rolls-Royce North American Technologies, Inc. | 1170 |
9 |
| Sturm Maschinen- & Anlagenbau GmbH | 49 |
9 |
| Tocalo Co., Ltd. | 105 |
9 |
| Ford Global Technologies, LLC | 20755 |
8 |
| Caterpillar Inc. | 9644 |
8 |
| Toto Ltd. | 1216 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 8813 |
7 |
| Other owners | 612 |