- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 25/176 - Filter presses, i.e. of the plate or plate and frame type attaching the filter element to the filter press plates, e.g. around the central feed hole in the plates
Patent holdings for IPC class B01D 25/176
Total number of patents in this class: 18
10-year publication summary
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1
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1
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2
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3
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0
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1
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0
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3
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2
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JVK Filtration Systems GmbH | 23 |
2 |
| Madison Filter 981 Limited | 53 |
2 |
| Sefar AG | 49 |
2 |
| FLSmidth A/S | 859 |
2 |
| Fairtech Investment Limited | 4 |
2 |
| Andritz Technology and Asset Management GmbH | 89 |
1 |
| Clarification Technology, Inc. | 4 |
1 |
| Luossavaara-Kiirunavaara AB | 81 |
1 |
| Metso Minerals Oy | 149 |
1 |
| Semperit AG Holding | 31 |
1 |
| Valmet Technologies Oy | 290 |
1 |
| Metso Outotec Finland Oy | 797 |
1 |
| Filtros Industriales, S.L. | 1 |
1 |
| Other owners | 0 |