- All sections
- C - Chemistry; metallurgy
- C23G - Cleaning or de-greasing 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: 58
10-year publication summary
7
|
4
|
3
|
11
|
6
|
4
|
7
|
3
|
4
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kao Corporation | 4843 |
8 |
Chemetall GmbH | 382 |
4 |
Ecolab USA Inc. | 5190 |
4 |
Shenzhen Candortech Incorporated Company | 6 |
4 |
Nippon Steel Corporation | 5649 |
3 |
Xeros Limited | 148 |
2 |
Corrosion Exchange LLC | 5 |
2 |
General Electric Company | 18133 |
1 |
The Boeing Company | 19843 |
1 |
Robert Bosch GmbH | 40953 |
1 |
GM Global Technology Operations LLC | 13620 |
1 |
Indesit Company S.p.A. | 256 |
1 |
Aisin AW Co., Ltd. | 2430 |
1 |
Henkel AG & Co. KGaA | 10129 |
1 |
AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1827 |
1 |
AAC Technologies (Nanjing) Co., Ltd. | 242 |
1 |
ArcelorMittal | 1887 |
1 |
Areva NP GmbH | 79 |
1 |
Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 44 |
1 |
China Petroleum & Chemical Corporation | 1623 |
1 |
Other owners | 18 |