- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 11/18 - Treatment of sludgeDevices therefor by thermal conditioning
Patent holdings for IPC class C02F 11/18
Total number of patents in this class: 303
10-year publication summary
|
25
|
20
|
19
|
26
|
19
|
25
|
25
|
25
|
29
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cambi Technology AS | 44 |
21 |
| Veolia Water Solutions & Technologies Support | 534 |
19 |
| Suez International | 342 |
15 |
| C-green Technology AB | 12 |
11 |
| Degremont | 85 |
6 |
| Lystek International Corp. | 25 |
6 |
| RDP Technologies, Inc. | 34 |
5 |
| California BioEnergy, LLC | 26 |
5 |
| Mcfinney, LLC | 5 |
5 |
| TE Consulting House 4 Plus, SL | 4 |
4 |
| Nulife Greentech Inc. | 11 |
4 |
| 374Water Inc. | 11 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8813 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43854 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10956 |
3 |
| Georgia Tech Research Corporation | 2775 |
3 |
| Duke University | 3091 |
3 |
| Anaergia Inc. | 108 |
3 |
| BL Technologies, Inc. | 836 |
3 |
| D.C. Water & Sewer Authority | 28 |
3 |
| Other owners | 174 |