- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 25/12 - Filter presses, i.e. of the plate or plate and frame type
Patent holdings for IPC class B01D 25/12
Total number of patents in this class: 212
10-year publication summary
|
9
|
14
|
9
|
26
|
22
|
23
|
20
|
17
|
12
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Metso Outotec Finland Oy | 379 |
13 |
| Outotec (Finland) Oy | 480 |
11 |
| Metso Finland Oy | 433 |
11 |
| FLSmidth A/S | 772 |
10 |
| Ishigaki Company Limited | 47 |
6 |
| Jingjin Equipment Inc. | 18 |
5 |
| JVK Filtration Systems GmbH | 20 |
4 |
| Krones AG | 2185 |
4 |
| Metso Minerals Oy | 107 |
4 |
| Smartflow Technologies, Inc. | 52 |
4 |
| EMD Millipore Corporation | 649 |
3 |
| Evoqua Water Technologies LLC | 917 |
3 |
| Foshan Jinkaidi Filtration Equipment Co., Ltd. | 3 |
3 |
| Dredge Spoils Reclamation, LLC | 3 |
3 |
| Jing Jin Environmental Protection Inc. | 3 |
3 |
| Metso Finland Oy | 7 |
3 |
| Toray Industries, Inc. | 6936 |
2 |
| C. Crane Company, Inc. | 9 |
2 |
| CHRETO ApS | 12 |
2 |
| Clear Edge-germany GmbH | 12 |
2 |
| Other owners | 114 |