- 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: 1823
10-year publication summary
|
167
|
141
|
105
|
133
|
105
|
105
|
98
|
83
|
86
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2833 |
48 |
| DIC Corporation | 3962 |
39 |
| Toyobo Co., Ltd. | 2535 |
26 |
| Porifera, Inc. | 71 |
21 |
| Nanyang Technological University | 2206 |
18 |
| Centre National de La Recherche Scientifique | 11023 |
17 |
| Mozarc Medical US LLC | 386 |
17 |
| Evoqua Water Technologies LLC | 930 |
16 |
| Kurita Water Industries Ltd. | 1283 |
16 |
| Saudi Arabian Oil Company | 14235 |
15 |
| FUJIFILM Corporation | 30514 |
14 |
| ExxonMobil Research And Engineering Company | 2422 |
13 |
| Gambro Lundia AB | 1389 |
13 |
| National University of Singapore | 2583 |
13 |
| BL Technologies, Inc. | 843 |
12 |
| Fresenius Medical Care Holdings, Inc. | 1426 |
12 |
| Saltpower Holding ApS | 16 |
12 |
| Toyobo MC Corporation | 532 |
12 |
| Fenwal, Inc. | 700 |
11 |
| Fresenius Medical Care Deutschland GmbH | 2236 |
11 |
| Other owners | 1467 |