- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/24 - Treatment of water, waste water, or sewage by flotation
Patent holdings for IPC class C02F 1/24
Total number of patents in this class: 1029
10-year publication summary
|
94
|
79
|
103
|
104
|
96
|
79
|
64
|
65
|
83
|
42
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 918 |
24 |
| Kurita Water Industries Ltd. | 1194 |
23 |
| Veolia Water Solutions & Technologies Support | 533 |
20 |
| Orege | 37 |
17 |
| Ecolab USA Inc. | 5480 |
16 |
| Kemira Oyj | 1206 |
15 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
13 |
| Cidra Corporate Services, Inc. | 202 |
12 |
| Exterran Water Solutions ULC | 53 |
12 |
| Opec Remediation Technologies Pty Limited | 12 |
10 |
| Metso Finland Oy | 452 |
10 |
| 1501367 Alberta Ltd. | 11 |
9 |
| Cameron International Corporation | 1332 |
8 |
| Cidra Corporate Services, LLC | 93 |
8 |
| Outotec (Finland) Oy | 480 |
8 |
| Metso Outotec Finland Oy | 361 |
8 |
| Chevron U.S.A. Inc. | 3955 |
7 |
| Battelle Memorial Institute | 2484 |
7 |
| Enviro-Tech Systems, L.L.C. | 9 |
7 |
| Hydrozonix LLC | 32 |
7 |
| Other owners | 788 |