- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 11/127 - Treatment of sludgeDevices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
Patent holdings for IPC class C02F 11/127
Total number of patents in this class: 162
10-year publication summary
|
4
|
8
|
9
|
13
|
21
|
24
|
28
|
23
|
21
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Veolia Water Solutions & Technologies Support | 537 |
8 |
| Dow Global Technologies LLC | 10328 |
7 |
| Graymont Western Canada Inc. | 40 |
6 |
| Tongji University | 499 |
5 |
| BCR Environmental Corporation | 27 |
4 |
| LG Chem, Ltd. | 17538 |
3 |
| Cambi Technology AS | 40 |
3 |
| East China University of Science and Technology | 511 |
3 |
| Kemira Oyj | 1189 |
3 |
| RDP Technologies, Inc. | 33 |
3 |
| Sichuan University | 556 |
3 |
| Heritage Research Group, LLC | 58 |
3 |
| Ragn-sells Treatment and Detox AB | 3 |
3 |
| BKT Co., Ltd. | 66 |
2 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
2 |
| Evoqua Water Technologies LLC | 913 |
2 |
| HaskoningDHV Nederland B.V. | 73 |
2 |
| Safe Foods Corporation | 79 |
2 |
| CDEnviro Limited | 6 |
2 |
| Southeastern Environmental Services, LLC | 2 |
2 |
| Other owners | 94 |