- All sections
- C - Chemistrymetallurgy
- C23G - Cleaning or degreasing of metallic material by chemical methods other than electrolysis
- C23G 1/36 - Regeneration of waste pickling liquors
Patent holdings for IPC class C23G 1/36
Total number of patents in this class: 90
10-year publication summary
|
8
|
3
|
2
|
6
|
5
|
7
|
12
|
7
|
3
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2248 |
8 |
| Henkel AG & Co. KGaA | 10482 |
4 |
| Andritz AG | 231 |
4 |
| Wisdri Engineering & Research Incorporation Limited | 197 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8657 |
3 |
| CMI UVK GmbH | 7 |
3 |
| Spiraltec GmbH | 13 |
3 |
| Danieli & C. Officine Meccaniche S.p.A. | 710 |
2 |
| Phinergy Ltd. | 94 |
2 |
| Primetals Technologies Austria GmbH | 525 |
2 |
| Primetals Technologies Japan, Ltd. | 162 |
2 |
| Shoei Chemical Inc. | 325 |
2 |
| Tessenderlo Group | 8 |
2 |
| 3m Innovative Properties Company | 17855 |
1 |
| BASF SE | 20803 |
1 |
| The Boeing Company | 20025 |
1 |
| Airbus Operations S.A.S. | 2468 |
1 |
| Bayer AG | 3308 |
1 |
| Siemens VAI Metals Technologies SAS | 65 |
1 |
| Lam Research Corporation | 5207 |
1 |
| Other owners | 42 |