- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/00 - Semi-permeable membranes for separation processes or apparatus characterised by the materialManufacturing processes specially adapted therefor
Patent holdings for IPC class B01D 71/00
Total number of patents in this class: 263
10-year publication summary
|
23
|
11
|
13
|
14
|
8
|
13
|
9
|
4
|
7
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4330 |
13 |
| National University of Singapore | 2565 |
8 |
| W. L. Gore & Associates, Inc. | 2708 |
7 |
| 3m Innovative Properties Company | 17491 |
6 |
| ExxonMobil Research And Engineering Company | 2458 |
5 |
| NGK Insulators, Ltd. | 5223 |
4 |
| King Abdullah University of Science and Technology | 1835 |
4 |
| Kolon Industries, Inc. | 1781 |
4 |
| BASF SE | 21165 |
3 |
| Toray Industries, Inc. | 7067 |
3 |
| Toray Tonen Specialty Separator Godo Kaisha | 22 |
3 |
| Arkema Inc. | 1052 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1655 |
3 |
| Korea Institute of Energy Research | 888 |
3 |
| Mimos Bhd. | 975 |
3 |
| LG Electronics Inc. | 75274 |
2 |
| LG Chem, Ltd. | 17883 |
2 |
| Hewlett-Packard Development Company, L.P. | 25317 |
2 |
| California Institute of Technology | 4023 |
2 |
| Empire Technology Development LLC | 1615 |
2 |
| Other owners | 181 |