- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating 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: 899
10-year publication summary
|
174
|
135
|
74
|
54
|
44
|
30
|
29
|
23
|
15
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
36 |
| General Electric Company | 18133 |
25 |
| Rtx Corporation | 8674 |
25 |
| Oerlikon Metco (US) Inc. | 202 |
18 |
| Nissan Motor Co., Ltd. | 12249 |
16 |
| Fujimi Incorporated | 676 |
15 |
| MTU Aero Engines GmbH | 565 |
13 |
| Praxair S.T. Technology, Inc. | 133 |
12 |
| GE Infrastructure Technology, LLC | 5873 |
12 |
| Applied Materials, Inc. | 16587 |
11 |
| Tokyo Electron Limited | 11599 |
11 |
| Caterpillar Inc. | 8877 |
10 |
| United Technologies Corporation | 2328 |
9 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
9 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
9 |
| Sturm Maschinen- & Anlagenbau GmbH | 49 |
9 |
| Tocalo Co., Ltd. | 94 |
9 |
| Ford Global Technologies, LLC | 19702 |
8 |
| Toto Ltd. | 1096 |
8 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
7 |
| Other owners | 627 |