- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 7/00 - Aeration of stretches of water
Patent holdings for IPC class C02F 7/00
Total number of patents in this class: 283
10-year publication summary
|
23
|
25
|
26
|
24
|
28
|
37
|
24
|
17
|
20
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Absolute Aeration | 7 |
7 |
| Oxzo S.A. | 10 |
6 |
| Linne Industries, LLC | 6 |
5 |
| Rigero, LLC | 4 |
4 |
| Searas AS | 25 |
4 |
| Ecoco Co., Ltd. | 4 |
3 |
| Evoqua Water Technologies LLC | 914 |
3 |
| Hohai University | 207 |
3 |
| Invent Umwelt-und Verfahrenstechnik AG | 130 |
3 |
| Ixom Operations Pty Ltd | 76 |
3 |
| Korea Aquosys Co., Ltd. | 10 |
3 |
| Yara International ASA | 841 |
3 |
| Poseidon Ocean Systems Ltd. | 26 |
3 |
| Ohmium International, Inc. | 124 |
3 |
| Komline Aerator Solutions, LLC | 13 |
3 |
| Ant21 Co., Ltd | 2 |
2 |
| BioNutraTech, Inc. | 11 |
2 |
| BioTherm Hydronic, Inc., DBA TrueLeaf Technologies | 20 |
2 |
| DSEC Co., Ltd. | 2 |
2 |
| Hydro Processing & Mining Ltd. | 5 |
2 |
| Other owners | 217 |