- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 25/28 - Leaching or washing filter cakes in the filter
Patent holdings for IPC class B01D 25/28
Total number of patents in this class: 75
10-year publication summary
|
7
|
3
|
6
|
5
|
7
|
13
|
4
|
9
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Metso Outotec Finland Oy | 528 |
15 |
| Outotec (Finland) Oy | 480 |
11 |
| Metso Finland Oy | 289 |
5 |
| JVK Filtration Systems GmbH | 20 |
4 |
| American Peat Technology, LLC | 26 |
2 |
| Heineken Supply Chain B.V. | 358 |
2 |
| Klinkau GmbH & Co. | 4 |
2 |
| Krones AG | 2166 |
2 |
| Metso Minerals Oy | 107 |
2 |
| Veolia Water Solutions & Technologies Support | 536 |
2 |
| Meura, S.A. | 18 |
2 |
| Metso Outotec Finland Oy | 17 |
2 |
| Andritz Technology and Asset Management GmbH | 90 |
1 |
| China Jiliang University | 66 |
1 |
| Dehydry Anlagenbau AG | 1 |
1 |
| Fluid-Quip, Inc. | 8 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1185 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1153 |
1 |
| Larox Oyj | 4 |
1 |
| Outotec Oyj | 280 |
1 |
| Other owners | 16 |