- 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: 624
10-year publication summary
|
39
|
31
|
39
|
50
|
46
|
36
|
62
|
76
|
77
|
42
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14305 |
15 |
| Terralithium LLC | 57 |
11 |
| Aquafortus Technologies Limited | 30 |
9 |
| Gradiant Corporation | 150 |
8 |
| Winner Water Services Inc. | 11 |
8 |
| 3m Innovative Properties Company | 17458 |
7 |
| BASF SE | 21306 |
7 |
| Adionics | 26 |
7 |
| Schlumberger Technology Corporation | 11879 |
6 |
| Massachusetts Institute of Technology | 10282 |
6 |
| Evoqua Water Technologies LLC | 934 |
6 |
| Vulcan Energie Ressourcen GmbH | 11 |
6 |
| Battelle Memorial Institute | 2608 |
5 |
| BL Technologies, Inc. | 839 |
5 |
| King Fahd University of Petroleum and Minerals | 1587 |
5 |
| Queen's University at Kingston | 544 |
5 |
| United Arab Emirates University | 387 |
5 |
| Wanhua Chemical Group Co., Ltd. | 388 |
5 |
| Acquolina IL Mondo, LLC | 7 |
5 |
| ExxonMobil Technology and Engineering Company | 1379 |
5 |
| Other owners | 488 |