- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 3/00 - Biological treatment of water, waste water, or sewage
Patent holdings for IPC class C02F 3/00
Total number of patents in this class: 1847
10-year publication summary
|
140
|
136
|
152
|
144
|
124
|
129
|
116
|
131
|
104
|
66
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 927 |
59 |
| BL Technologies, Inc. | 838 |
28 |
| Veolia Water Solutions & Technologies Support | 532 |
28 |
| Suez International | 376 |
22 |
| Beijing University of Technology | 522 |
19 |
| Kubota Corporation | 4420 |
16 |
| Organo Corporation | 548 |
14 |
| BKT Co., Ltd. | 69 |
13 |
| Nanjing University | 809 |
13 |
| Hampton Roads Sanitation District | 40 |
12 |
| Degremont | 75 |
11 |
| HaskoningDHV Nederland B.V. | 76 |
11 |
| Fluence Water Products and Innovation Ltd | 24 |
11 |
| Bionest Technologies Inc. | 27 |
10 |
| Cambrian Innovation Inc. | 28 |
10 |
| Enviromix, Inc. | 20 |
10 |
| Metawater Co., Ltd. | 201 |
9 |
| Aquacycl, Inc. | 18 |
9 |
| Ovivo Water Inc. | 102 |
9 |
| AntiCline Disposal, LLC | 9 |
8 |
| Other owners | 1525 |