- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 33/11 - Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
Patent holdings for IPC class B01D 33/11
Total number of patents in this class: 151
10-year publication summary
|
13
|
11
|
12
|
22
|
14
|
9
|
21
|
7
|
11
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xeros Limited | 142 |
13 |
| MANN+HUMMEL GmbH | 1726 |
10 |
| Veolia Water Solutions & Technologies Support | 543 |
6 |
| Evoqua Water Technologies LLC | 904 |
5 |
| Safe Foods Corporation | 79 |
5 |
| Daritech, Inc. | 37 |
4 |
| Fluid-Quip, Inc. | 12 |
4 |
| B.V. Scheepswerf Damen Gorinchem | 8 |
3 |
| Lyco Manufacturing, Inc. | 55 |
3 |
| Ovivo Inc. | 148 |
3 |
| Koi Acres LLC | 3 |
3 |
| Water Solutions Technology, LLC | 9 |
3 |
| Algaecore Technologies Ltd | 7 |
3 |
| Aqseptence Group, Inc. | 96 |
2 |
| BHS-Sonthofen GmbH | 42 |
2 |
| Contech Engineered Solutions LLC | 217 |
2 |
| Cummins Filtration IP, Inc. | 807 |
2 |
| GEA Houle Inc. | 14 |
2 |
| ICM, Inc. | 73 |
2 |
| Maytronics Ltd. | 155 |
2 |
| Other owners | 72 |