- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 3/24 - Activated sludge processes using free-fall aeration or spraying
Patent holdings for IPC class C02F 3/24
Total number of patents in this class: 25
10-year publication summary
|
3
|
3
|
0
|
1
|
3
|
1
|
1
|
1
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bioener Bierzo, S.L. | 2 |
2 |
| Bioteria Technologies AB | 12 |
2 |
| Bioner Bierzo, S.L. | 1 |
1 |
| Council of Scientific and Industrial Research | 603 |
1 |
| Cube Hydro Partners, LLC | 2 |
1 |
| Cumminscorp Limited | 2 |
1 |
| Nanjing University | 731 |
1 |
| Nano Gas Technologies, Inc. | 13 |
1 |
| Presby Patent Trust | 9 |
1 |
| SAM Houston State University | 42 |
1 |
| Yugen Kaisha Aurora Bunka Koryusha | 1 |
1 |
| Avatar Energy | 1 |
1 |
| Buru-akua Inndasutori-kabusikikaisya | 1 |
1 |
| HM Co., Ltd | 10 |
1 |
| Institute for Biological Resources Yangjientech | 1 |
1 |
| Jeonbuk Techno Park | 1 |
1 |
| N P Innovation AB | 6 |
1 |
| Kuan Yuan Paper Mfg. Co., Ltd. | 4 |
1 |
| Occidental Oil and Gas Corporation | 11 |
1 |
| U.S. Bank Trust Company, National Association, AS The Notes Collateral Agent | 70 |
1 |
| Other owners | 3 |