- All sections
- C - Chemistry; metallurgy
- C23G - Cleaning or de-greasing of metallic material by chemical methods other than electrolysis
- C23G 1/02 - Cleaning or pickling metallic material with solutions or molten salts with acid solutions
Patent holdings for IPC class C23G 1/02
Total number of patents in this class: 256
10-year publication summary
|
23
|
21
|
24
|
28
|
18
|
30
|
17
|
11
|
17
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dorf Ketal Chemicals FZE | 238 |
21 |
| Fluid Energy Group Ltd. | 70 |
12 |
| General Electric Company | 18133 |
8 |
| PPG Industries Ohio, Inc. | 3430 |
5 |
| Ecolab USA Inc. | 5190 |
5 |
| POSCO | 2222 |
5 |
| Tokyo Electron Limited | 11599 |
4 |
| Lam Research Corporation | 4775 |
4 |
| JFE Steel Corporation | 6067 |
4 |
| POSCO Co., Ltd. | 1059 |
4 |
| Win Chemicals Limited | 11 |
4 |
| Applied Materials, Inc. | 16587 |
3 |
| Arkema France | 3790 |
3 |
| Chemetall GmbH | 382 |
3 |
| Korea Atomic Energy Research Institute | 418 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
3 |
| Nippon Steel Corporation | 5649 |
3 |
| Screen Holdings Co., Ltd. | 2431 |
3 |
| Baker Hughes Incorporated | 5689 |
2 |
| Toshiba Corporation | 12017 |
2 |
| Other owners | 155 |