- 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 10/04 - Diffusion into selected surface areas, e.g. using masks
Patent holdings for IPC class C23C 10/04
Total number of patents in this class: 40
10-year publication summary
8
|
3
|
13
|
4
|
2
|
4
|
0
|
1
|
1
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Praxair S.T. Technology, Inc. | 133 |
6 |
Rtx Corporation | 8674 |
5 |
Siemens AG | 24990 |
3 |
General Electric Company | 18133 |
2 |
Rolls-Royce PLC | 2944 |
2 |
Arizona Board of Regents on behalf of Arizona State University | 2226 |
2 |
Huys Industries Limited | 35 |
2 |
MTU Aero Engines AG | 622 |
2 |
MTU Aero Engines GmbH | 565 |
2 |
Tenneco Automotive Operating Company Inc. | 658 |
2 |
Samsung Display Co., Ltd. | 30585 |
1 |
Hitachi, Ltd. | 16452 |
1 |
Applied Materials, Inc. | 16587 |
1 |
Dymax Corporation | 84 |
1 |
Howmet Corporation | 56 |
1 |
Korea Minting, Security Printing & ID Card Operating Corp. | 36 |
1 |
Office National d'Etudes et de Recherches Aerospatiales (onera) | 155 |
1 |
Safran Aircraft Engines | 5739 |
1 |
GE Infrastructure Technology, LLC | 5873 |
1 |
Safran Aircraft Engines Mexico S.A. de C.V. | 6 |
1 |
Other owners | 2 |