- 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: 189
10-year publication summary
|
8
|
9
|
13
|
21
|
24
|
28
|
24
|
24
|
22
|
9
|
| 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 |
8 |
| Dow Global Technologies LLC | 10919 |
6 |
| Graymont Western Canada Inc. | 54 |
6 |
| Tongji University | 608 |
6 |
| BCR Environmental Corporation | 25 |
4 |
| Kemira Oyj | 1258 |
4 |
| Somerset International Finance Designated Activity Company | 5 |
4 |
| LG Chem, Ltd. | 17926 |
3 |
| Cambi Technology AS | 41 |
3 |
| East China University of Science and Technology | 553 |
3 |
| Evoqua Water Technologies LLC | 931 |
3 |
| RDP Technologies, Inc. | 34 |
3 |
| Safe Foods Corporation | 86 |
3 |
| Sichuan University | 627 |
3 |
| Heritage Research Group, LLC | 70 |
3 |
| Ragn-sells Treatment and Detox AB | 3 |
3 |
| Arizona Board of Regents on behalf of Arizona State University | 2924 |
2 |
| BKT Co., Ltd. | 67 |
2 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
2 |
| GEA Westfalia Separator Group GmbH | 144 |
2 |
| Other owners | 116 |