- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 3/02 - Aerobic processes
Patent holdings for IPC class C02F 3/02
Total number of patents in this class: 536
10-year publication summary
|
57
|
46
|
45
|
51
|
45
|
43
|
46
|
41
|
23
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 904 |
9 |
| Ovivo Inc. | 148 |
9 |
| Xylem Water Solutions U.S.A., Inc. | 36 |
9 |
| Bionest Technologies Inc. | 26 |
7 |
| Triplepoint Environmental LLC | 22 |
6 |
| BL Technologies, Inc. | 849 |
5 |
| Hampton Roads Sanitation District | 30 |
5 |
| Neozyme International, Inc. | 31 |
5 |
| Siemens Water Technologies Corp. | 79 |
5 |
| Veolia Water Solutions & Technologies Support | 544 |
5 |
| The Trustees of Columbia University in the City of New York | 3528 |
4 |
| Eco Too, LLC | 9 |
4 |
| James Richard Spears MD PLLC | 10 |
4 |
| Kurita Water Industries Ltd. | 1161 |
4 |
| Nanjing University | 694 |
4 |
| Oxzo S.A. | 10 |
4 |
| Bioteria Technologies AB | 12 |
4 |
| Bio-on S.p.A. | 54 |
3 |
| Biogill Environmental Pty Limited | 11 |
3 |
| D.C. Water & Sewer Authority | 28 |
3 |
| Other owners | 434 |