- 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: 222
10-year publication summary
|
19
|
11
|
15
|
20
|
14
|
29
|
23
|
17
|
20
|
10
|
| 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 | 534 |
9 |
| Andritz Oy | 294 |
7 |
| Kadant Black Clawson LLC | 49 |
5 |
| Whirlpool Corporation | 4737 |
4 |
| Duperon Innovation, LLC | 19 |
4 |
| Xeros Limited | 120 |
4 |
| Danmarks Tekniske Universitet | 1056 |
3 |
| TM Industrial Supply, Inc. | 19 |
3 |
| Valmet AB | 573 |
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. | 160170 |
2 |
| Siemens VAI Metals Technologies GmbH | 198 |
2 |
| Amiad Water Systems Ltd. | 53 |
2 |
| B.V. Scheepswerf Damen Gorinchem | 6 |
2 |
| Contech Engineered Solutions LLC | 278 |
2 |
| Cubility AS | 33 |
2 |
| Dieffenbacher GmbH Maschinen- und Anlagenbau | 240 |
2 |
| Other owners | 154 |