- 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: 222
10-year publication summary
|
2
|
2
|
3
|
12
|
17
|
53
|
52
|
34
|
32
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Georgia Tech Research Corporation | 2727 |
6 |
| Veolia Water Solutions & Technologies Support | 534 |
5 |
| Suez International | 335 |
4 |
| Greensource Fabrication LLC | 11 |
4 |
| Sedron Technologies, LLC | 8 |
4 |
| Shanghai Municipal Engineering Design Institute (Group) Co., Ltd. | 18 |
4 |
| Duke University | 3066 |
3 |
| Brown and Caldwell | 19 |
3 |
| East China University of Science and Technology | 512 |
3 |
| Sichuan University | 564 |
3 |
| Tongji University | 505 |
3 |
| China Academy of Aerospace Aerodynamics | 21 |
3 |
| Shimose Microbes Laboratory Corporation | 32 |
3 |
| Harbour Stone B.V. | 6 |
3 |
| TEC Austria GmbH | 18 |
3 |
| Aries Clean Technologies, LLC | 21 |
3 |
| ARDEX Group GmbH | 15 |
3 |
| Samsung Electronics Co., Ltd. | 145416 |
2 |
| Guangdong University of Technology | 572 |
2 |
| Huaneng Clean Energy Research Institute | 427 |
2 |
| Other owners | 156 |