- 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: 525
10-year publication summary
|
33
|
33
|
40
|
30
|
33
|
40
|
33
|
23
|
28
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 930 |
11 |
| Xylem Water Solutions U.S.A., Inc. | 35 |
9 |
| Ovivo Inc. | 147 |
8 |
| Bionest Technologies Inc. | 29 |
7 |
| BL Technologies, Inc. | 837 |
6 |
| Hampton Roads Sanitation District | 35 |
5 |
| Neozyme International, Inc. | 31 |
5 |
| The Trustees of Columbia University in the City of New York | 3618 |
4 |
| Eco Too, LLC | 9 |
4 |
| James Richard Spears MD PLLC | 10 |
4 |
| Kurita Water Industries Ltd. | 1259 |
4 |
| Nanjing University | 780 |
4 |
| Oxzo S.A. | 10 |
4 |
| Triplepoint Environmental LLC | 20 |
4 |
| Veolia Water Solutions & Technologies Support | 532 |
4 |
| Lummus Technology LLC | 475 |
4 |
| Bio-on S.p.A. | 55 |
3 |
| Biogill Environmental Pty Limited | 10 |
3 |
| D.C. Water & Sewer Authority | 25 |
3 |
| Enviromix, Inc. | 19 |
3 |
| Other owners | 426 |