- All sections
- C - Chemistry; metallurgy
- C23G - Cleaning or de-greasing 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: 140
10-year publication summary
|
5
|
5
|
11
|
18
|
10
|
17
|
19
|
10
|
13
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 1887 |
15 |
| Wisdri Engineering & Research Incorporation Limited | 132 |
15 |
| Primetals Technologies Japan, Ltd. | 143 |
12 |
| POSCO | 2222 |
10 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
7 |
| Nippon Steel Corporation | 5649 |
6 |
| SMS Group GmbH | 1029 |
5 |
| JFE Steel Corporation | 6067 |
4 |
| Siemens VAI Metals Technologies SAS | 70 |
3 |
| Henkel AG & Co. KGaA | 10129 |
3 |
| Baoshan Iron & Steel Co., Ltd. | 832 |
3 |
| Primetals Technologies Austria GmbH | 479 |
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 | 96 |
2 |
| Hydro Aluminium Rolled Products GmbH | 118 |
2 |
| Kolene Corporation | 33 |
2 |
| Nakagawa Special Steel Inc. | 5 |
2 |
| Other owners | 37 |