- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 3/28 - Anaerobic digestion processes
Patent holdings for IPC class C02F 3/28
Total number of patents in this class: 1609
10-year publication summary
|
105
|
139
|
105
|
148
|
149
|
85
|
110
|
129
|
88
|
68
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Anaergia Inc. | 106 |
39 |
| Veolia Water Solutions & Technologies Support | 533 |
33 |
| Evoqua Water Technologies LLC | 929 |
31 |
| BL Technologies, Inc. | 838 |
19 |
| Kurita Water Industries Ltd. | 1298 |
19 |
| Paques I.P. B.V. | 69 |
19 |
| Nanjing University | 816 |
15 |
| Cambrian Innovation Inc. | 28 |
12 |
| University of South Florida | 1914 |
11 |
| Kubota Corporation | 4465 |
11 |
| Voith Patent GmbH | 2742 |
11 |
| Beijing University of Technology | 522 |
10 |
| Suez International | 379 |
10 |
| Sumitomo Heavy Industries, Ltd. | 2145 |
10 |
| The Regents of the University of Michigan | 5081 |
9 |
| Meri Environmental Solutions GmbH | 43 |
9 |
| BKT Co., Ltd. | 69 |
8 |
| Tongji University | 629 |
8 |
| S.g.t.-sustainable Green Technologies Ltd | 13 |
8 |
| Doosan Enerbility Co., Ltd. | 291 |
8 |
| Other owners | 1309 |