- 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 10/18 - Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions
Patent holdings for IPC class C23C 10/18
Total number of patents in this class: 44
10-year publication summary
|
2
|
1
|
8
|
1
|
4
|
3
|
3
|
2
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyo Kohan Co., Ltd. | 419 |
8 |
| MTU Aero Engines GmbH | 496 |
4 |
| Rtx Corporation | 9437 |
4 |
| Battelle Memorial Institute | 2492 |
3 |
| General Electric Company | 13845 |
2 |
| Siemens AG | 24409 |
2 |
| MTU Aero Engines AG | 690 |
2 |
| Nippon Paint Surf Chemicals Co., Ltd. | 95 |
2 |
| ThyssenKrupp Steel Europe AG | 959 |
2 |
| GE Infrastructure Technology, LLC | 6246 |
2 |
| United Technologies Corporation | 2242 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5685 |
1 |
| Bodycote Warmebehandlung GmbH | 6 |
1 |
| GE Avio S.r.l. | 282 |
1 |
| Hans Weber Maschinenfabrik GmbH | 21 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3994 |
1 |
| Magna International Inc. | 1242 |
1 |
| Micro Motion, Inc. | 1022 |
1 |
| Oceanit Laboratories, Inc. | 77 |
1 |
| University of New Hampshire | 172 |
1 |
| Other owners | 3 |