- 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 4/00 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
Patent holdings for IPC class C23C 4/00
Total number of patents in this class: 268
10-year publication summary
|
15
|
16
|
12
|
16
|
14
|
7
|
11
|
18
|
5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24437 |
20 |
| General Electric Company | 13806 |
14 |
| Rtx Corporation | 9419 |
10 |
| MTU Aero Engines GmbH | 502 |
8 |
| Rolls-Royce North American Technologies, Inc. | 1169 |
8 |
| Oerlikon Metco (US) Inc. | 206 |
7 |
| GE Infrastructure Technology, LLC | 6234 |
6 |
| Siemens Energy, Inc. | 1711 |
5 |
| Applied Materials, Inc. | 18759 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 14428 |
4 |
| Industrie de Nora S.p.A. | 276 |
4 |
| Westinghouse Electric Company LLC | 1143 |
4 |
| Allium Engineering, Inc. | 5 |
4 |
| GM Global Technology Operations LLC | 15106 |
3 |
| Fabrisonic LLC | 16 |
3 |
| LM Group Holdings, Inc. | 3 |
3 |
| DDP Specialty Electronic Materials US, LLC | 838 |
3 |
| The Boeing Company | 20090 |
2 |
| Honeywell International Inc. | 13548 |
2 |
| United Technologies Corporation | 2242 |
2 |
| Other owners | 152 |