- 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 4/073 - 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: 144
10-year publication summary
|
5
|
13
|
28
|
25
|
13
|
19
|
12
|
20
|
13
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
13 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
11 |
| Safran Aircraft Engines | 5739 |
8 |
| General Electric Company | 18133 |
7 |
| Oerlikon Metco (US) Inc. | 202 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
6 |
| GE Infrastructure Technology, LLC | 5873 |
6 |
| Rolls-Royce Corporation | 1686 |
5 |
| Siemens AG | 24990 |
4 |
| SAFRAN S.A. | 518 |
4 |
| Tenneco Inc | 274 |
4 |
| Pratt & Whitney Canada Corp. | 4215 |
2 |
| Excera Orthopedics, Inc. | 3 |
2 |
| Forschungszentrum Julich GmbH | 604 |
2 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
2 |
| Nippon Steel Corporation | 5649 |
2 |
| Oerlikon Metco AG, Wohlen | 46 |
2 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
2 |
| Scoperta, Inc. | 45 |
2 |
| Valmet AB | 463 |
2 |
| Other owners | 51 |