- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 24/12 - Downward filtration, the filtering material being supported by pervious surfaces
Patent holdings for IPC class B01D 24/12
Total number of patents in this class: 115
10-year publication summary
|
5
|
7
|
13
|
15
|
12
|
16
|
9
|
7
|
4
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 2915 |
6 |
| Philip Morris USA Inc. | 705 |
4 |
| Uop LLC | 4216 |
4 |
| Brita GmbH | 99 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
4 |
| Enpress, L.L.C. | 26 |
4 |
| Westech Engineering LLC | 39 |
3 |
| Aqseptence Group, Inc. | 88 |
2 |
| Clack Corporation | 38 |
2 |
| de Nora Water Technologies, LLC | 50 |
2 |
| Degremont | 91 |
2 |
| Electrophor, Inc. | 48 |
2 |
| Mycelx Technologies Corporation | 32 |
2 |
| Organo Corporation | 457 |
2 |
| Veolia Water Solutions & Technologies Support | 535 |
2 |
| Suez Treatment Solutions Inc. | 3 |
2 |
| SUEZ GROUPE, société par actions simplifiée | 4 |
2 |
| C2cnt LLC | 88 |
2 |
| IDE Water Technologies Ltd. | 42 |
2 |
| Conair Corporation | 170 |
1 |
| Other owners | 61 |