- All sections
- C - Chemistrymetallurgy
- C23G - Cleaning or degreasing 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: 262
10-year publication summary
|
24
|
29
|
18
|
30
|
17
|
12
|
20
|
9
|
11
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dorf Ketal Chemicals FZE | 35 |
12 |
| Fluid Energy Group Ltd. | 58 |
10 |
| General Electric Company | 13966 |
8 |
| Ecolab USA Inc. | 5826 |
6 |
| JFE Steel Corporation | 7617 |
5 |
| POSCO | 2143 |
5 |
| POSCO Co., Ltd. | 2028 |
5 |
| Dorf Ketal Chemicals FZE | 196 |
5 |
| Applied Materials, Inc. | 20552 |
4 |
| Tokyo Electron Limited | 13920 |
4 |
| PPG Industries Ohio, Inc. | 3322 |
4 |
| Chemetall GmbH | 353 |
4 |
| Win Chemicals Limited | 10 |
4 |
| Framatome GmbH | 254 |
4 |
| Arkema France | 4254 |
3 |
| Korea Atomic Energy Research Institute | 463 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3640 |
3 |
| Nippon Steel Corporation | 6969 |
3 |
| Samsung Electronics Co., Ltd. | 158842 |
2 |
| Baker Hughes Incorporated | 4897 |
2 |
| Other owners | 166 |