- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 11/16 - Treatment of sludgeDevices therefor by de-watering, drying or thickening using drying or composting beds
Patent holdings for IPC class C02F 11/16
Total number of patents in this class: 69
10-year publication summary
|
6
|
6
|
6
|
7
|
12
|
4
|
5
|
4
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| S.g.t.-sustainable Green Technologies Ltd | 12 |
4 |
| Georgia Tech Research Corporation | 2722 |
3 |
| Anglo American Technical & Sustainability Services Ltd | 59 |
3 |
| Duke University | 3065 |
2 |
| Cranfield University | 85 |
2 |
| ExxonMobil Upstream Research Company | 2407 |
2 |
| Orege | 36 |
2 |
| SunCor Energy Inc. | 738 |
2 |
| TSP GmbH | 6 |
2 |
| Bio2 PW Inc. | 3 |
2 |
| RTD Enterprises | 8 |
2 |
| Dow Global Technologies LLC | 10401 |
1 |
| Aqualter | 1 |
1 |
| Aqualter Developpement | 1 |
1 |
| BCR Environmental Corporation | 27 |
1 |
| BMA Braunschweigische Maschinenbauanstalt AG | 17 |
1 |
| Brown and Caldwell | 18 |
1 |
| China University of Petroleum (Beijing) | 279 |
1 |
| C.n.r. Consiglio Nazionale delle Ricerche | 33 |
1 |
| Colorado State University Research Foundation | 703 |
1 |
| Other owners | 34 |