- 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: 301
10-year publication summary
|
25
|
26
|
24
|
29
|
37
|
24
|
17
|
20
|
23
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Absolute Aeration | 7 |
7 |
| Oxzo S.A. | 10 |
6 |
| Linne Industries, LLC | 6 |
5 |
| Invent Umwelt-und Verfahrenstechnik AG | 126 |
4 |
| Rigero, LLC | 4 |
4 |
| Ecoco Co., Ltd. | 4 |
3 |
| Evoqua Water Technologies LLC | 927 |
3 |
| Hohai University | 223 |
3 |
| Korea Aquosys Co., Ltd. | 11 |
3 |
| Yara International ASA | 909 |
3 |
| Poseidon Ocean Systems Ltd. | 35 |
3 |
| Searas AS | 34 |
3 |
| Ohmium International, Inc. | 131 |
3 |
| Ant21 Co., Ltd | 2 |
2 |
| Bionest Technologies Inc. | 27 |
2 |
| BioNutraTech, Inc. | 9 |
2 |
| BioTherm Hydronic, Inc., DBA TrueLeaf Technologies | 19 |
2 |
| DSEC Co., Ltd. | 2 |
2 |
| Fountainhead L.L.C. | 12 |
2 |
| Hydro Processing & Mining Ltd. | 5 |
2 |
| Other owners | 237 |