- 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: 1848
10-year publication summary
|
140
|
136
|
152
|
144
|
124
|
129
|
115
|
131
|
102
|
34
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 930 |
60 |
| Veolia Water Solutions & Technologies Support | 532 |
28 |
| BL Technologies, Inc. | 837 |
27 |
| Suez International | 363 |
22 |
| Beijing University of Technology | 514 |
18 |
| Kubota Corporation | 4219 |
16 |
| Organo Corporation | 536 |
14 |
| Nanjing University | 785 |
13 |
| BKT Co., Ltd. | 65 |
12 |
| Hampton Roads Sanitation District | 35 |
12 |
| Degremont | 79 |
11 |
| Ovivo Inc. | 142 |
11 |
| Bionest Technologies Inc. | 29 |
10 |
| Cambrian Innovation Inc. | 27 |
10 |
| Fluence Water Products and Innovation Ltd | 21 |
10 |
| Enviromix, Inc. | 19 |
9 |
| HaskoningDHV Nederland B.V. | 75 |
9 |
| Metawater Co., Ltd. | 201 |
9 |
| Aquacycl, Inc. | 18 |
9 |
| AntiCline Disposal, LLC | 9 |
8 |
| Other owners | 1530 |