- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 3/16 - Activated sludge processes using surface aeration the aerator having a vertical axis
Patent holdings for IPC class C02F 3/16
Total number of patents in this class: 41
10-year publication summary
|
8
|
4
|
2
|
0
|
4
|
1
|
0
|
0
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aqua-Aerobic Systems, Inc. | 87 |
5 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4018 |
3 |
| Komline Aerator Solutions, LLC | 13 |
3 |
| Milton Roy Mixing | 4 |
2 |
| Praxair Technology, Inc. | 1260 |
2 |
| Absolute Aeration | 7 |
1 |
| American Air Liquide, Inc. | 261 |
1 |
| Ecoco Co., Ltd. | 4 |
1 |
| Huatian Engineering & Technology Corporation, MCC | 5 |
1 |
| Jet, Inc. | 31 |
1 |
| Korea Aquosys Co., Ltd. | 11 |
1 |
| MAPAL Green Energy Ltd. | 1 |
1 |
| Mu Company Ltd. | 4 |
1 |
| Outotec (Finland) Oy | 459 |
1 |
| Ovivo Inc. | 163 |
1 |
| Roberts Marketing DE, Inc. | 27 |
1 |
| Ovivo Finance Inc. | 15 |
1 |
| Ariel Scientific Innovations Ltd | 232 |
1 |
| Ecotonics, LLC | 2 |
1 |
| Carbofil France | 1 |
1 |
| Other owners | 11 |