- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 3/06 - Aerobic processes using submerged filters
Patent holdings for IPC class C02F 3/06
Total number of patents in this class: 334
10-year publication summary
|
31
|
27
|
30
|
25
|
17
|
13
|
20
|
17
|
11
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1207 |
10 |
| Evolution Aqua Limited | 19 |
8 |
| BL Technologies, Inc. | 836 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8803 |
5 |
| Nexom Inc. | 22 |
5 |
| Metawater Co., Ltd. | 197 |
4 |
| Veolia Water Solutions & Technologies Support | 535 |
4 |
| Newterra Corporation, Inc. | 74 |
4 |
| General Electric Company | 13858 |
3 |
| Evoqua Water Technologies LLC | 920 |
3 |
| JRL Innovations Inc. | 4 |
3 |
| Ovivo Inc. | 166 |
3 |
| Oxymem Limited | 21 |
3 |
| Sekisui Chemical Co., Ltd. | 3472 |
3 |
| Hydrolize Ltd | 4 |
3 |
| Premier Tech Eau et Environnement Ltee | 12 |
3 |
| Mitsubishi Chemical Corporation | 4579 |
2 |
| Access Business Group International LLC | 364 |
2 |
| Aqua Systems Limited | 2 |
2 |
| Aquanos Energy Ltd. | 2 |
2 |
| Other owners | 255 |