- 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 10/28 - Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
Patent holdings for IPC class C23C 10/28
Total number of patents in this class: 217
10-year publication summary
|
25
|
27
|
21
|
20
|
9
|
10
|
8
|
7
|
1
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| View Operating Corporation | 566 |
27 |
| Toyo Kohan Co., Ltd. | 437 |
13 |
| JFE Steel Corporation | 7599 |
9 |
| Safran Aircraft Engines | 6741 |
9 |
| Nippon Steel Corporation | 6945 |
7 |
| SAFRAN S.A. | 797 |
6 |
| Robert Bosch GmbH | 44252 |
6 |
| Rtx Corporation | 10141 |
6 |
| General Electric Company | 13938 |
5 |
| Benteler Automobiltechnik GmbH | 308 |
3 |
| Praxair S.T. Technology, Inc. | 119 |
3 |
| GE Infrastructure Technology, LLC | 6154 |
3 |
| MA Aluminum Corporation | 48 |
3 |
| Siemens AG | 23983 |
2 |
| International Business Machines Corporation | 62754 |
2 |
| Honeywell International Inc. | 12770 |
2 |
| Rolls-Royce PLC | 3222 |
2 |
| Andritz Iggesund Tools Inc. | 5 |
2 |
| ArcelorMittal | 2720 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2965 |
2 |
| Other owners | 103 |