- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/44 - Ion-selective electrodialysis
Patent holdings for IPC class B01D 61/44
Total number of patents in this class: 887
10-year publication summary
|
37
|
38
|
52
|
58
|
50
|
61
|
76
|
77
|
88
|
60
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Manufacturing Europe B.V. | 221 |
35 |
| Evoqua Water Technologies LLC | 930 |
28 |
| FUJIFILM Corporation | 30516 |
27 |
| Organo Corporation | 537 |
26 |
| POSCO Holdings Inc. | 693 |
24 |
| Kurita Water Industries Ltd. | 1283 |
20 |
| Nemaska Lithium Inc. | 78 |
20 |
| Massachusetts Institute of Technology | 10254 |
17 |
| Dionex Corporation | 339 |
17 |
| Research Institute of Industrial Science & Technology | 569 |
15 |
| BL Technologies, Inc. | 842 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 9139 |
12 |
| Board of Regents, The University of Texas System | 6117 |
12 |
| Xyleco, Inc. | 186 |
12 |
| Vantive Health GmbH | 313 |
11 |
| General Electric Company | 13910 |
10 |
| Ionic Solutions Ltd. | 22 |
9 |
| The Regents of the University of California | 20778 |
8 |
| California Institute of Technology | 4037 |
8 |
| Saltworks Technologies Inc. | 100 |
8 |
| Other owners | 555 |