- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 24/22 - Downward filtration, the filter material being supported by pervious surfaces
Patent holdings for IPC class B01D 24/22
Total number of patents in this class: 53
10-year publication summary
|
7
|
7
|
3
|
15
|
4
|
3
|
1
|
1
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4199 |
8 |
| Xylem Water Solutions Zelienople LLC | 79 |
6 |
| Aqseptence Group, Inc. | 94 |
3 |
| Asama Coldwater Manufacturing Inc. | 3 |
2 |
| Helen of Troy Limited | 1741 |
2 |
| I.d.e. Technologies Ltd. | 41 |
2 |
| Zero Technologies, LLC | 32 |
2 |
| Deskins, Franklin David | 3 |
2 |
| IDE Water Technologies Ltd. | 42 |
2 |
| All Service Contracting Corporation | 1 |
1 |
| de Nora Water Technologies, LLC | 48 |
1 |
| De Nora Water Technologies UK Services Ltd. | 7 |
1 |
| Doosan Heavy Industries & Construction Co., Ltd. | 582 |
1 |
| IFP | 155 |
1 |
| IFP Energies Nouvelles | 2854 |
1 |
| ITT Water & Wastewater Leopold, Inc. | 2 |
1 |
| Kobelco Eco-solutions Co., Ltd. | 126 |
1 |
| Mkb Company | 5 |
1 |
| Ovivo Inc. | 148 |
1 |
| Roberts Marketing DE, Inc. | 26 |
1 |
| Other owners | 13 |