- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 3/14 - Activated sludge processes using surface aeration
Patent holdings for IPC class C02F 3/14
Total number of patents in this class: 37
10-year publication summary
|
6
|
2
|
3
|
7
|
4
|
1
|
0
|
0
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Absolute Aeration | 7 |
7 |
| Aqua-Aerobic Systems, Inc. | 88 |
3 |
| Blue Frog Technologies LLC | 5 |
3 |
| Bioteria Technologies AB | 12 |
2 |
| Komline Aerator Solutions, LLC | 13 |
2 |
| Biofilter Systems, LLC | 5 |
1 |
| DVO, Inc. | 15 |
1 |
| Ecoco Co., Ltd. | 4 |
1 |
| Evoqua Water Technologies LLC | 918 |
1 |
| Huatian Engineering & Technology Corporation, MCC | 5 |
1 |
| Liberty Evans, LLC | 11 |
1 |
| Praxair Technology, Inc. | 1298 |
1 |
| Republic of Korea(national Fisheries Research and Development Institute) | 24 |
1 |
| Aeration Industries International, Inc. | 1 |
1 |
| Suzhou University of Science and Technology | 66 |
1 |
| Anna University—Chennai | 4 |
1 |
| Plant Response, Inc. | 53 |
1 |
| Grieger Investments Pty Ltd | 3 |
1 |
| Huatian Nanjing Engineering & Technology Corporation, MCC | 4 |
1 |
| Korea Original Water Co.,Ltd | 1 |
1 |
| Other owners | 5 |