- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/26 - Treatment of water, waste water, or sewage by extraction
Patent holdings for IPC class C02F 1/26
Total number of patents in this class: 564
10-year publication summary
|
19
|
37
|
27
|
36
|
45
|
41
|
30
|
55
|
69
|
61
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13600 |
12 |
| Aquafortus Technologies Limited | 33 |
10 |
| Terralithium LLC | 56 |
10 |
| Gradiant Corporation | 139 |
8 |
| Winner Water Services Inc. | 11 |
8 |
| 3m Innovative Properties Company | 17739 |
7 |
| BASF SE | 21083 |
7 |
| Schlumberger Technology Corporation | 11013 |
6 |
| Massachusetts Institute of Technology | 10124 |
6 |
| Adionics | 23 |
6 |
| Battelle Memorial Institute | 2497 |
5 |
| BL Technologies, Inc. | 838 |
5 |
| Queen's University at Kingston | 533 |
5 |
| United Arab Emirates University | 346 |
5 |
| Acquolina IL Mondo, LLC | 7 |
5 |
| Chemtor, LP | 63 |
4 |
| King Fahd University of Petroleum and Minerals | 1352 |
4 |
| Kurita Water Industries Ltd. | 1224 |
4 |
| Nanjing University | 743 |
4 |
| Saltworks Technologies Inc. | 95 |
4 |
| Other owners | 439 |