- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 33/46 - Regenerating the filter material in the filter by scrapers, brushes or the like acting on the cake-side of the filtering element
Patent holdings for IPC class B01D 33/46
Total number of patents in this class: 217
10-year publication summary
|
18
|
11
|
15
|
18
|
14
|
25
|
21
|
15
|
17
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Veolia Water Solutions & Technologies Support | 532 |
8 |
| Andritz Oy | 288 |
7 |
| Kadant Black Clawson LLC | 49 |
5 |
| Whirlpool Corporation | 4559 |
4 |
| Duperon Innovation, LLC | 18 |
4 |
| Xeros Limited | 125 |
4 |
| Danmarks Tekniske Universitet | 1016 |
3 |
| TM Industrial Supply, Inc. | 19 |
3 |
| Essa corp. | 3 |
3 |
| O.m.it S.r.l. | 3 |
3 |
| Water Solutions Technology, LLC | 9 |
3 |
| Greatpyr Resources LLC | 3 |
3 |
| Samsung Electronics Co., Ltd. | 153845 |
2 |
| Siemens VAI Metals Technologies GmbH | 206 |
2 |
| Amiad Water Systems Ltd. | 52 |
2 |
| B.V. Scheepswerf Damen Gorinchem | 6 |
2 |
| Contech Engineered Solutions LLC | 281 |
2 |
| Cubility AS | 33 |
2 |
| Dieffenbacher GmbH Maschinen- und Anlagenbau | 237 |
2 |
| Evoqua Water Technologies LLC | 930 |
2 |
| Other owners | 151 |