- 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 4/129 - Flame spraying
Patent holdings for IPC class C23C 4/129
Total number of patents in this class: 379
10-year publication summary
|
61
|
39
|
43
|
34
|
29
|
38
|
34
|
27
|
33
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10102 |
20 |
| Safran Aircraft Engines | 6694 |
11 |
| Siemens Energy Global GmbH & Co. KG | 3345 |
10 |
| General Electric Company | 13899 |
8 |
| Mitsubishi Heavy Industries Aero Engines, Ltd. | 139 |
8 |
| Oerlikon Metco (US) Inc. | 215 |
8 |
| Tocalo Co., Ltd. | 106 |
8 |
| Federal-Mogul Powertrain LLC | 274 |
7 |
| Praxair S.T. Technology, Inc. | 119 |
7 |
| SMS Group GmbH | 1197 |
7 |
| Fujimi Incorporated | 802 |
6 |
| POSCO Co., Ltd. | 2012 |
6 |
| Safran Landing Systems | 772 |
6 |
| Caterpillar Inc. | 10267 |
5 |
| GE Infrastructure Technology, LLC | 6171 |
5 |
| Siemens AG | 24029 |
4 |
| Pratt & Whitney Canada Corp. | 5479 |
4 |
| Mitsubishi Chemical Corporation | 4724 |
4 |
| Brembo S.p.A. | 505 |
4 |
| Concordia University | 107 |
4 |
| Other owners | 237 |