- 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 4/134 - Plasma spraying
Patent holdings for IPC class C23C 4/134
Total number of patents in this class: 897
10-year publication summary
|
115
|
122
|
133
|
82
|
85
|
90
|
77
|
56
|
64
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10128 |
89 |
| Applied Materials, Inc. | 20406 |
45 |
| Oerlikon Metco (US) Inc. | 215 |
28 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
24 |
| General Electric Company | 13910 |
23 |
| Siemens Energy Global GmbH & Co. KG | 3357 |
20 |
| Tokyo Electron Limited | 13824 |
18 |
| Safran Aircraft Engines | 6704 |
16 |
| GE Infrastructure Technology, LLC | 6165 |
15 |
| Tocalo Co., Ltd. | 107 |
14 |
| Siemens AG | 24020 |
13 |
| Fujimi Incorporated | 802 |
13 |
| Lyten, Inc. | 355 |
13 |
| Rolls-Royce Corporation | 1677 |
13 |
| Rolls-Royce North American Technologies, Inc. | 1129 |
12 |
| Federal-Mogul Powertrain LLC | 273 |
10 |
| Komico Ltd. | 62 |
10 |
| SAFRAN S.A. | 792 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 9139 |
9 |
| Sturm Maschinen- & Anlagenbau GmbH | 39 |
9 |
| Other owners | 494 |