- 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 2/00 - Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shapeApparatus therefor
Patent holdings for IPC class C23C 2/00
Total number of patents in this class: 746
10-year publication summary
|
52
|
54
|
57
|
63
|
61
|
60
|
46
|
49
|
50
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2526 |
101 |
| JFE Steel Corporation | 7349 |
62 |
| Nippon Steel Corporation | 6692 |
48 |
| ThyssenKrupp Steel Europe AG | 984 |
34 |
| POSCO Co., Ltd. | 1658 |
28 |
| POSCO | 2155 |
24 |
| Fontaine Engineering und Maschinen GmbH | 30 |
17 |
| Fontaine Holdings NV | 60 |
16 |
| Cleveland-Cliffs Steel Properties Inc. | 84 |
15 |
| ThyssenKrupp AG | 3458 |
13 |
| Danieli & C. Officine Meccaniche S.p.A. | 712 |
11 |
| Tata Steel Ijmuiden B.V. | 319 |
9 |
| John Cockerill S.A. | 103 |
9 |
| Siemens VAI Metals Technologies SAS | 60 |
8 |
| ArcelorMittal Investigacion y Desarrollo SL | 208 |
8 |
| Fives Stein | 107 |
8 |
| Nippon Steel & Sumitomo Metal Corporation | 1985 |
8 |
| SMS Siemag Aktiengesellschaft | 490 |
8 |
| Voestalpine Stahl GmbH | 384 |
8 |
| Baoshan Iron & Steel Co., Ltd. | 1074 |
7 |
| Other owners | 304 |