- 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: 400
10-year publication summary
37
|
38
|
46
|
40
|
33
|
34
|
34
|
37
|
23
|
5
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6594 |
40 |
Nippon Steel Corporation | 6038 |
28 |
POSCO | 2204 |
24 |
NIPPON STEEL Stainless Steel Corporation | 281 |
23 |
Henkel AG & Co. KGaA | 10368 |
11 |
POSCO Co., Ltd. | 1327 |
11 |
Primetals Technologies Japan, Ltd. | 154 |
11 |
ArcelorMittal | 2078 |
10 |
Dorf Ketal Chemicals FZE | 239 |
10 |
Fluid Energy Group Ltd. | 68 |
6 |
Wisdri Engineering & Research Incorporation Limited | 182 |
6 |
General Electric Company | 17807 |
5 |
Chemetall GmbH | 381 |
5 |
Danieli & C. Officine Meccaniche S.p.A. | 708 |
5 |
Ethicon, Inc. | 1231 |
4 |
Ecolab USA Inc. | 5376 |
4 |
Hyundai Steel Company | 358 |
4 |
Nippon Steel & Sumikin Stainless Steel Corporation | 169 |
4 |
Nippon Steel & Sumitomo Metal Corporation | 1988 |
4 |
Toyo Kohan Co., Ltd. | 411 |
4 |
Other owners | 181 |