- All sections
- C - Chemistrymetallurgy
- C23G - Cleaning or degreasing of metallic material by chemical methods other than electrolysis
- C23G 3/02 - Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
Patent holdings for IPC class C23G 3/02
Total number of patents in this class: 152
10-year publication summary
5
|
11
|
18
|
10
|
17
|
19
|
10
|
13
|
12
|
5
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Wisdri Engineering & Research Incorporation Limited | 181 |
23 |
ArcelorMittal | 2077 |
15 |
Primetals Technologies Japan, Ltd. | 154 |
13 |
POSCO | 2204 |
10 |
Danieli & C. Officine Meccaniche S.p.A. | 707 |
8 |
Nippon Steel Corporation | 6031 |
6 |
JFE Steel Corporation | 6587 |
5 |
SMS Group GmbH | 1081 |
5 |
Henkel AG & Co. KGaA | 10365 |
4 |
Primetals Technologies Austria GmbH | 514 |
4 |
Siemens VAI Metals Technologies SAS | 67 |
3 |
Baoshan Iron & Steel Co., Ltd. | 902 |
3 |
Net Boru Sanayi ve DIS Ticaret Kollektif Sirketi Bora Saman ve Ortagi | 11 |
3 |
AK Steel Properties, Inc. | 75 |
2 |
ArcelorMittal France | 102 |
2 |
Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 44 |
2 |
Fives Stein | 100 |
2 |
Hydro Aluminium Rolled Products GmbH | 118 |
2 |
Kolene Corporation | 38 |
2 |
Nakagawa Special Steel Inc. | 5 |
2 |
Other owners | 36 |