- 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 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
Patent holdings for IPC class C23C 22/80
Total number of patents in this class: 77
10-year publication summary
7
|
2
|
9
|
6
|
7
|
6
|
8
|
7
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Chemetall GmbH | 382 |
18 |
PPG Industries Ohio, Inc. | 3430 |
15 |
Henkel AG & Co. KGaA | 10129 |
8 |
ThyssenKrupp Steel Europe AG | 924 |
5 |
Atotech Deutschland GmbH | 586 |
3 |
Nihon Parkerizing Co., Ltd. | 274 |
3 |
Rhodia Operations | 1645 |
3 |
Aktiebolaget SKF | 2700 |
2 |
Nippon Paint Co., Ltd. | 105 |
2 |
Nippon Steel Corporation | 5649 |
2 |
Robert Bosch GmbH | 40953 |
1 |
PRC-DeSoto International, Inc. | 567 |
1 |
Foxconn Technology Co., Ltd. | 123 |
1 |
Baoshan Iron & Steel Co., Ltd. | 832 |
1 |
Ewald Dorken AG | 266 |
1 |
Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | 6 |
1 |
Henkel (China) Company Limited | 107 |
1 |
National Institute of Forest Science | 17 |
1 |
Nippon Paint Surf Chemicals Co., Ltd. | 82 |
1 |
Ropal Europe AG | 3 |
1 |
Other owners | 6 |