- 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 2/00 - Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
Patent holdings for IPC class C23C 2/00
Total number of patents in this class: 630
10-year publication summary
49
|
47
|
52
|
54
|
56
|
63
|
60
|
41
|
34
|
17
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ArcelorMittal | 1887 |
83 |
JFE Steel Corporation | 6067 |
50 |
Nippon Steel Corporation | 5649 |
41 |
ThyssenKrupp Steel Europe AG | 924 |
32 |
POSCO | 2222 |
24 |
POSCO Co., Ltd. | 1059 |
19 |
Fontaine Engineering und Maschinen GmbH | 32 |
17 |
ThyssenKrupp AG | 3086 |
14 |
Cleveland-Cliffs Steel Properties Inc. | 56 |
12 |
Danieli & C. Officine Meccaniche S.p.A. | 680 |
11 |
Fontaine Holdings NV | 55 |
11 |
Siemens VAI Metals Technologies SAS | 70 |
8 |
ArcelorMittal Investigacion y Desarrollo SL | 209 |
8 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
8 |
SMS Siemag Aktiengesellschaft | 529 |
8 |
Applied Materials, Inc. | 16587 |
7 |
Nippon Steel & Sumikin Hardfacing Co., Ltd. | 22 |
7 |
Tata Steel Nederland Technology BV | 143 |
7 |
AK Steel Properties, Inc. | 75 |
6 |
Cockerill Maintenance & Ingenierie SA | 82 |
6 |
Other owners | 251 |