- 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 4/073 - Metallic material containing MCrAl or MCrAlY alloys, where M is nickel, cobalt or iron, with or without non-metal elements
Patent holdings for IPC class C23C 4/073
Total number of patents in this class: 172
10-year publication summary
|
11
|
25
|
22
|
12
|
17
|
11
|
18
|
13
|
10
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Energy Global GmbH & Co. KG | 3081 |
15 |
| Rtx Corporation | 9596 |
14 |
| Safran Aircraft Engines | 6404 |
12 |
| General Electric Company | 13840 |
8 |
| Oerlikon Metco (US) Inc. | 209 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8875 |
6 |
| GE Infrastructure Technology, LLC | 6190 |
6 |
| Rolls-Royce Corporation | 1752 |
5 |
| Siemens AG | 24333 |
4 |
| SAFRAN S.A. | 630 |
4 |
| Federal-Mogul Powertrain LLC | 278 |
4 |
| Tocalo Co., Ltd. | 107 |
4 |
| Nippon Steel Corporation | 6482 |
3 |
| Nippon Steel Hardfacing Corporation | 6 |
3 |
| Pratt & Whitney Canada Corp. | 4896 |
2 |
| Excera Orthopedics, Inc. | 3 |
2 |
| Forschungszentrum Julich GmbH | 623 |
2 |
| Höganäs AB | 311 |
2 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
2 |
| Oerlikon Metco AG, Wohlen | 47 |
2 |
| Other owners | 65 |