- All sections
- C - Chemistrymetallurgy
- C23F - Non-mechanical removal of metallic material from surfacesinhibiting corrosion of metallic materialinhibiting incrustation in generalmulti-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: 181
10-year publication summary
|
24
|
13
|
16
|
13
|
9
|
19
|
5
|
5
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5349 |
25 |
| Sumitomo Electric Industries, Ltd. | 14990 |
7 |
| Sumitomo Wiring Systems, Ltd. | 10025 |
7 |
| AutoNetworks Technologies, Ltd. | 6332 |
7 |
| Kyushu University, National University Corporation | 1626 |
7 |
| NCH Corporation | 258 |
6 |
| Baker Hughes, a GE Company, LLC | 2138 |
6 |
| Halliburton Energy Services, Inc. | 20449 |
5 |
| Atotech Deutschland GmbH | 566 |
5 |
| Chemetall GmbH | 380 |
5 |
| Baker Hughes Holdings LLC | 3008 |
5 |
| General Electric Company | 17794 |
4 |
| BASF SE | 20421 |
4 |
| BL Technologies, Inc. | 849 |
4 |
| Kurita Water Industries Ltd. | 1159 |
4 |
| Henkel AG & Co. KGaA | 10357 |
3 |
| ChemTreat, Inc. | 208 |
3 |
| Dorf Ketal Chemicals (I) Private Limited | 19 |
3 |
| Championx LLC | 439 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2726 |
2 |
| Other owners | 66 |