- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 11/06 - Treatment of sludge; Devices therefor by oxidation
Patent holdings for IPC class C02F 11/06
Total number of patents in this class: 244
10-year publication summary
|
17
|
22
|
20
|
14
|
13
|
21
|
24
|
15
|
18
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
8 |
| BCR Environmental Corporation | 28 |
6 |
| Bill & Melinda Gates Foundation, William H. Gates III and Melinda F. Gates, both US citizens | 28 |
5 |
| Earth Renewal Group, LLC | 12 |
5 |
| Epic Cleantec Inc. | 10 |
4 |
| Metawater Co., Ltd. | 181 |
4 |
| Newlisi S.p.A. | 5 |
4 |
| Suez International | 304 |
4 |
| Huazhong University of Science and Technology | 930 |
3 |
| Paulee Cleantec Ltd. | 14 |
3 |
| Sulzer Management AG | 613 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
3 |
| Taiheiyo Engineering Corporation | 24 |
3 |
| Alpha Cleantec AG | 4 |
3 |
| Empire Technology Development LLC | 1636 |
2 |
| Arkema Inc. | 1075 |
2 |
| Colorado State University Research Foundation | 675 |
2 |
| Degremont | 103 |
2 |
| Dirac Inc. | 2 |
2 |
| Hindustan Petroleum Corporation Limited | 191 |
2 |
| Other owners | 174 |