- All sections
- C - Chemistry; metallurgy
- C23F - Non-mechanical removal of metallic material from surfaces; inhibiting corrosion of metallic material; inhibiting incrustation in general; multi-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass or or class
- C23F 11/167 - Phosphorus-containing compounds
Patent holdings for IPC class C23F 11/167
Total number of patents in this class: 179
10-year publication summary
7
|
24
|
13
|
16
|
13
|
9
|
18
|
5
|
5
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ecolab USA Inc. | 5190 |
25 |
Sumitomo Electric Industries, Ltd. | 14131 |
7 |
Sumitomo Wiring Systems, Ltd. | 9367 |
7 |
AutoNetworks Technologies, Ltd. | 5809 |
7 |
Kyushu University, National University Corporation | 1572 |
7 |
NCH Corporation | 266 |
6 |
Baker Hughes, a GE Company, LLC | 2171 |
6 |
Halliburton Energy Services, Inc. | 20165 |
5 |
Atotech Deutschland GmbH | 586 |
5 |
Chemetall GmbH | 382 |
5 |
Baker Hughes Holdings LLC | 3060 |
5 |
General Electric Company | 18133 |
4 |
BL Technologies, Inc. | 831 |
4 |
BASF SE | 19740 |
3 |
Henkel AG & Co. KGaA | 10129 |
3 |
ChemTreat, Inc. | 198 |
3 |
Clariant International Ltd. | 978 |
3 |
Dorf Ketal Chemicals (I) Private Limited | 19 |
3 |
Kurita Water Industries Ltd. | 1110 |
3 |
Championx USA Inc. | 250 |
3 |
Other owners | 65 |