- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/50 - Stacks of the plate-and-frame type
Patent holdings for IPC class B01D 61/50
Total number of patents in this class: 159
10-year publication summary
|
7
|
8
|
15
|
11
|
11
|
13
|
6
|
16
|
6
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 909 |
14 |
| FUJIFILM Manufacturing Europe B.V. | 262 |
13 |
| BL Technologies, Inc. | 826 |
9 |
| General Electric Company | 17076 |
7 |
| Redstack B.V. | 15 |
7 |
| Texopco LLC | 34 |
7 |
| FUJIFILM Imaging Colorants Limited | 220 |
5 |
| Ionic Solutions Ltd. | 24 |
5 |
| Saltworks Technologies Inc. | 89 |
5 |
| Evoqua Water Technologies Pte. Ltd. | 26 |
4 |
| Massachusetts Institute of Technology | 9942 |
3 |
| SWAN Analytische Instrumente AG | 20 |
3 |
| UChicago Argonne, LLC | 903 |
3 |
| Membrain s.r.o. | 5 |
3 |
| FUJIFILM Corporation | 29082 |
2 |
| Henkel AG & Co. KGaA | 10386 |
2 |
| Duke University | 3040 |
2 |
| AGC Engineering Co., Ltd. | 24 |
2 |
| Dionex Corporation | 326 |
2 |
| Magna Imperio Systems Corp. | 19 |
2 |
| Other owners | 59 |