- 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: 269
10-year publication summary
|
14
|
23
|
11
|
10
|
12
|
6
|
12
|
9
|
4
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4241 |
13 |
| National University of Singapore | 2466 |
8 |
| W. L. Gore & Associates, Inc. | 2718 |
7 |
| 3m Innovative Properties Company | 17795 |
6 |
| ExxonMobil Research And Engineering Company | 2562 |
5 |
| NGK Insulators, Ltd. | 5016 |
4 |
| King Abdullah University of Science and Technology | 1802 |
4 |
| Kolon Industries, Inc. | 1694 |
4 |
| BASF SE | 20979 |
3 |
| Toray Industries, Inc. | 6976 |
3 |
| Toray Tonen Specialty Separator Godo Kaisha | 22 |
3 |
| Arkema Inc. | 1067 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1660 |
3 |
| Industry-University Cooperation Foundation Hanyang University | 1012 |
3 |
| Korea Institute of Energy Research | 864 |
3 |
| Mimos Bhd. | 967 |
3 |
| LG Electronics Inc. | 73531 |
2 |
| LG Chem, Ltd. | 17644 |
2 |
| Hewlett-Packard Development Company, L.P. | 25813 |
2 |
| California Institute of Technology | 3985 |
2 |
| Other owners | 186 |