- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 11/13 - Treatment of sludgeDevices therefor by de-watering, drying or thickening by heating
Patent holdings for IPC class C02F 11/13
Total number of patents in this class: 235
10-year publication summary
|
2
|
3
|
12
|
17
|
53
|
53
|
36
|
34
|
17
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Suez International | 365 |
7 |
| Georgia Tech Research Corporation | 2912 |
6 |
| Veolia Water Solutions & Technologies Support | 532 |
5 |
| Sedron Technologies, LLC | 12 |
5 |
| Greensource Fabrication LLC | 13 |
4 |
| Shanghai Municipal Engineering Design Institute (Group) Co., Ltd. | 19 |
4 |
| ARDEX Group GmbH | 15 |
4 |
| Duke University | 3171 |
3 |
| Brown and Caldwell | 20 |
3 |
| East China University of Science and Technology | 545 |
3 |
| Sichuan University | 617 |
3 |
| Tongji University | 585 |
3 |
| China Academy of Aerospace Aerodynamics | 21 |
3 |
| Next Generation Elements GmbH | 11 |
3 |
| Shimose Microbes Laboratory Corporation | 38 |
3 |
| Harbour Stone B.V. | 6 |
3 |
| TEC Austria GmbH | 16 |
3 |
| Aries Clean Technologies, LLC | 22 |
3 |
| Stiesdal Skyclean A/S | 4 |
3 |
| Samsung Electronics Co., Ltd. | 154987 |
2 |
| Other owners | 162 |