- 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 11/02 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in air or gases by adding vapour phase inhibitors
Patent holdings for IPC class C23F 11/02
Total number of patents in this class: 74
10-year publication summary
|
10
|
6
|
5
|
11
|
7
|
5
|
7
|
3
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Northern Technologies International Corporation | 89 |
6 |
| BASF SE | 21313 |
4 |
| Ecolab USA Inc. | 5789 |
4 |
| Kurita Water Industries Ltd. | 1283 |
4 |
| Pine Castle Investments Limited | 81 |
4 |
| Caterpillar Inc. | 10269 |
3 |
| EXCOR Korrosionsforschung GmbH | 3 |
3 |
| University of North Texas | 225 |
3 |
| Chevron U.S.A. Inc. | 4134 |
2 |
| Aicello Corporation | 93 |
2 |
| Arteco N.V. | 45 |
2 |
| BL Technologies, Inc. | 843 |
2 |
| Cortec Corporation | 73 |
2 |
| NHK Spring Co., Ltd. | 1979 |
2 |
| X'aan Innovations Inc. | 7 |
2 |
| Baker Hughes Oilfield Operations, LLC | 2526 |
2 |
| Terra Primoris Holdings, LLC | 4 |
2 |
| Robert Bosch GmbH | 44094 |
1 |
| Applied Materials, Inc. | 20344 |
1 |
| Ceca S.A. | 43 |
1 |
| Other owners | 22 |