- All sections
- C - Chemistrymetallurgy
- C23G - Cleaning or degreasing of metallic material by chemical methods other than electrolysis
- C23G 1/19 - Iron or steel
Patent holdings for IPC class C23G 1/19
Total number of patents in this class: 69
10-year publication summary
|
4
|
3
|
11
|
6
|
4
|
7
|
3
|
4
|
10
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kao Corporation | 4964 |
8 |
| Chemetall GmbH | 383 |
7 |
| Ecolab USA Inc. | 5480 |
4 |
| Shenzhen Candortech Incorporated Company | 6 |
4 |
| Henkel AG & Co. KGaA | 10572 |
3 |
| Nippon Steel Corporation | 6238 |
3 |
| Corrosion Exchange LLC | 6 |
3 |
| Xeros Limited | 135 |
2 |
| Wisdri Engineering & Research Incorporation Limited | 210 |
2 |
| General Electric Company | 13780 |
1 |
| The Boeing Company | 20043 |
1 |
| Robert Bosch GmbH | 42689 |
1 |
| GM Global Technology Operations LLC | 15042 |
1 |
| Indesit Company S.p.A. | 245 |
1 |
| Aisin AW Co., Ltd. | 2327 |
1 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1938 |
1 |
| AAC Technologies (Nanjing) Co., Ltd. | 360 |
1 |
| ArcelorMittal | 2285 |
1 |
| Areva NP GmbH | 65 |
1 |
| Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 42 |
1 |
| Other owners | 22 |