- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 101/34 - Organic compounds containing oxygen
Patent holdings for IPC class C02F 101/34
Total number of patents in this class: 381
10-year publication summary
|
24
|
32
|
33
|
33
|
44
|
34
|
52
|
31
|
31
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Soochow University | 1605 |
19 |
| Nanjing University | 646 |
8 |
| Saudi Arabian Oil Company | 11322 |
7 |
| Chio Kang Medical, Inc. | 29 |
7 |
| Qiaokang Biotech (Guangdong) Co., LTD. | 29 |
7 |
| Evonik Operations GmbH | 3879 |
6 |
| Chinese Research Academy of Environmental Sciences | 113 |
5 |
| South China University of Technology | 1581 |
5 |
| Veolia Water Solutions & Technologies Support | 547 |
5 |
| BASF SE | 19740 |
4 |
| Aramco Services Company | 3504 |
4 |
| King Fahd University of Petroleum and Minerals | 779 |
4 |
| OxyTec LLC | 10 |
4 |
| Dow Global Technologies LLC | 10147 |
3 |
| Siemens Energy, Inc. | 1770 |
3 |
| Covestro Deutschland AG | 2429 |
3 |
| Evoqua Water Technologies LLC | 904 |
3 |
| Indian Oil Corporation Limited | 329 |
3 |
| King Abdulaziz City for Science and Technology | 151 |
3 |
| King Faisal University | 409 |
3 |
| Other owners | 275 |