- 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 | 4247 |
13 |
| National University of Singapore | 2485 |
8 |
| W. L. Gore & Associates, Inc. | 2731 |
7 |
| 3m Innovative Properties Company | 17770 |
6 |
| ExxonMobil Research And Engineering Company | 2562 |
5 |
| NGK Insulators, Ltd. | 5107 |
4 |
| King Abdullah University of Science and Technology | 1805 |
4 |
| Kolon Industries, Inc. | 1703 |
4 |
| BASF SE | 21039 |
3 |
| Toray Industries, Inc. | 7002 |
3 |
| Toray Tonen Specialty Separator Godo Kaisha | 22 |
3 |
| Arkema Inc. | 1069 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1670 |
3 |
| Industry-University Cooperation Foundation Hanyang University | 1013 |
3 |
| Korea Institute of Energy Research | 862 |
3 |
| Mimos Bhd. | 968 |
3 |
| LG Electronics Inc. | 73690 |
2 |
| LG Chem, Ltd. | 17680 |
2 |
| Hewlett-Packard Development Company, L.P. | 25769 |
2 |
| California Institute of Technology | 3986 |
2 |
| Other owners | 186 |