- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 3/30 - Aerobic and anaerobic processes
Patent holdings for IPC class C02F 3/30
Total number of patents in this class: 1660
10-year publication summary
|
101
|
151
|
115
|
156
|
118
|
138
|
108
|
118
|
94
|
57
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Veolia Water Solutions & Technologies Support | 533 |
53 |
| Evoqua Water Technologies LLC | 930 |
49 |
| Beijing University of Technology | 520 |
30 |
| BL Technologies, Inc. | 843 |
24 |
| Suez International | 366 |
20 |
| BKT Co., Ltd. | 67 |
18 |
| Nanjing University | 799 |
17 |
| Hampton Roads Sanitation District | 38 |
15 |
| D.C. Water & Sewer Authority | 25 |
14 |
| HaskoningDHV Nederland B.V. | 76 |
13 |
| Kemira Oyj | 1258 |
12 |
| Kubota Corporation | 4391 |
12 |
| Fluence Water Products and Innovation Ltd | 23 |
11 |
| Suzhou University of Science and Technology | 88 |
11 |
| Chinese Research Academy of Environmental Sciences | 134 |
10 |
| Degremont | 78 |
10 |
| Enviromix, Inc. | 19 |
10 |
| The Hong Kong University of Science and Technology | 836 |
10 |
| Metawater Co., Ltd. | 200 |
10 |
| Tongji University | 613 |
10 |
| Other owners | 1301 |