- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 71/00 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
Patent holdings for IPC class B01D 71/00
Total number of patents in this class: 271
10-year publication summary
|
16
|
23
|
11
|
13
|
14
|
7
|
12
|
9
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4188 |
13 |
| W. L. Gore & Associates, Inc. | 2686 |
8 |
| National University of Singapore | 2369 |
8 |
| 3m Innovative Properties Company | 17957 |
6 |
| ExxonMobil Research And Engineering Company | 2659 |
5 |
| NGK Insulators, Ltd. | 4792 |
4 |
| King Abdullah University of Science and Technology | 1744 |
4 |
| Kolon Industries, Inc. | 1589 |
4 |
| BASF SE | 20432 |
3 |
| Toray Industries, Inc. | 6855 |
3 |
| Toray Tonen Specialty Separator Godo Kaisha | 22 |
3 |
| Arkema Inc. | 1072 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1675 |
3 |
| Industry-University Cooperation Foundation Hanyang University | 1009 |
3 |
| Korea Institute of Energy Research | 831 |
3 |
| University of Washington | 2252 |
3 |
| Mimos Bhd. | 964 |
3 |
| LG Electronics Inc. | 71039 |
2 |
| LG Chem, Ltd. | 17639 |
2 |
| EMD Millipore Corporation | 653 |
2 |
| Other owners | 186 |