- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 3/34 - Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Patent holdings for IPC class C02F 3/34
Total number of patents in this class: 1992
10-year publication summary
|
155
|
157
|
148
|
177
|
162
|
138
|
132
|
149
|
123
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kubota Corporation | 4160 |
21 |
| Locus Solutions IPCo, LLC | 338 |
20 |
| Chinese Research Academy of Environmental Sciences | 128 |
19 |
| NCH Corporation | 251 |
19 |
| Veolia Water Solutions & Technologies Support | 535 |
17 |
| Kurita Water Industries Ltd. | 1249 |
16 |
| Novozymes A/S | 3351 |
13 |
| The Fynder Group, Inc. | 118 |
13 |
| Indian Oil Corporation Limited | 335 |
12 |
| Novozymes Biologicals, Inc. | 45 |
11 |
| Metawater Co., Ltd. | 202 |
11 |
| Organo Corporation | 528 |
11 |
| General Electric Company | 13789 |
10 |
| Centre National de La Recherche Scientifique | 10820 |
10 |
| Beijing University of Technology | 511 |
10 |
| BiOWiSH Technologies, Inc. | 26 |
10 |
| Nanjing University | 771 |
10 |
| Paques I.P. B.V. | 68 |
10 |
| The Trustees of Columbia University in the City of New York | 3611 |
9 |
| Kaneka Corporation | 4636 |
9 |
| Other owners | 1731 |