- All sections
- C - Chemistrymetallurgy
- C23G - Cleaning or degreasing of metallic material by chemical methods other than electrolysis
- C23G 1/08 - Iron or steel
Patent holdings for IPC class C23G 1/08
Total number of patents in this class: 418
10-year publication summary
|
37
|
38
|
46
|
40
|
33
|
34
|
35
|
37
|
23
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6809 |
42 |
| Nippon Steel Corporation | 6203 |
28 |
| POSCO | 2188 |
24 |
| NIPPON STEEL Stainless Steel Corporation | 287 |
24 |
| POSCO Co., Ltd. | 1558 |
19 |
| ArcelorMittal | 2271 |
12 |
| Henkel AG & Co. KGaA | 10525 |
11 |
| Primetals Technologies Japan, Ltd. | 162 |
11 |
| Dorf Ketal Chemicals FZE | 197 |
8 |
| General Electric Company | 13829 |
6 |
| Fluid Energy Group Ltd. | 56 |
6 |
| Wisdri Engineering & Research Incorporation Limited | 204 |
6 |
| Chemetall GmbH | 382 |
5 |
| Danieli & C. Officine Meccaniche S.p.A. | 715 |
5 |
| Ethicon, Inc. | 1185 |
4 |
| Ecolab USA Inc. | 5465 |
4 |
| Hyundai Steel Company | 425 |
4 |
| Nippon Steel & Sumikin Stainless Steel Corporation | 168 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
4 |
| Toyo Kohan Co., Ltd. | 419 |
4 |
| Other owners | 187 |