- 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 11/14 - Nitrogen-containing compounds
Patent holdings for IPC class C23F 11/14
Total number of patents in this class: 686
10-year publication summary
48
|
42
|
46
|
43
|
55
|
49
|
29
|
42
|
41
|
38
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ecolab USA Inc. | 5496 |
94 |
Championx LLC | 513 |
28 |
Kurita Water Industries Ltd. | 1195 |
25 |
Halliburton Energy Services, Inc. | 20911 |
20 |
ChemTreat, Inc. | 230 |
14 |
ArcelorMittal | 2293 |
13 |
Shikoku Chemicals Corporation | 93 |
13 |
Championx USA Inc. | 180 |
13 |
BASF SE | 20940 |
11 |
Saudi Arabian Oil Company | 13224 |
11 |
BL Technologies, Inc. | 835 |
9 |
Instituto Mexicano Del Petroleo | 223 |
9 |
Baker Hughes Holdings LLC | 3007 |
9 |
King Fahd University of Petroleum and Minerals | 1212 |
8 |
Nalco Company | 573 |
8 |
NCH Corporation | 252 |
8 |
Stepan Company | 582 |
8 |
Schlumberger Technology Corporation | 10780 |
7 |
Henkel AG & Co. KGaA | 10583 |
7 |
Hindustan Petroleum Corporation Limited | 214 |
7 |
Other owners | 364 |