- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/00 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltrationApparatus, accessories or auxiliary operations specially adapted therefor
Patent holdings for IPC class B01D 61/00
Total number of patents in this class: 1802
10-year publication summary
|
111
|
156
|
129
|
104
|
118
|
97
|
95
|
92
|
79
|
62
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2705 |
42 |
| DIC Corporation | 3823 |
31 |
| Toyobo Co., Ltd. | 2464 |
26 |
| Porifera, Inc. | 68 |
20 |
| Nanyang Technological University | 2043 |
18 |
| Mozarc Medical US LLC | 344 |
17 |
| Centre National de La Recherche Scientifique | 10595 |
16 |
| Evoqua Water Technologies LLC | 919 |
15 |
| Kurita Water Industries Ltd. | 1211 |
15 |
| FUJIFILM Corporation | 29713 |
14 |
| Aquaporin A/S | 74 |
14 |
| ExxonMobil Research And Engineering Company | 2562 |
13 |
| Fresenius Medical Care Holdings, Inc. | 1423 |
13 |
| National University of Singapore | 2488 |
13 |
| Saudi Arabian Oil Company | 13442 |
13 |
| BL Technologies, Inc. | 837 |
12 |
| Gambro Lundia AB | 1373 |
12 |
| Saltpower Holding ApS | 17 |
12 |
| Fenwal, Inc. | 675 |
11 |
| Fresenius Medical Care Deutschland GmbH | 2178 |
11 |
| Other owners | 1464 |