- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/74 - Natural macromolecular material or derivatives thereof
Patent holdings for IPC class B01D 71/74
Total number of patents in this class: 63
10-year publication summary
|
5
|
1
|
2
|
9
|
8
|
8
|
8
|
3
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| President and Fellows of Harvard College | 5986 |
6 |
| Aquaporin A/S | 74 |
4 |
| Nitto Denko Corporation | 8253 |
3 |
| Massachusetts Institute of Technology | 10062 |
3 |
| King Abdullah University of Science and Technology | 1787 |
3 |
| The Penn State Research Foundation | 1527 |
3 |
| Trustees of Tufts College | 877 |
3 |
| Biomimesi SRL | 4 |
3 |
| The United States of America as represented by the Secretary of the Army | 1215 |
2 |
| Nanyang Technological University | 2015 |
2 |
| National Institute for Materials Science | 1104 |
2 |
| Ohio State Innovation Foundation | 2140 |
2 |
| Aquaporin Asia Pte. Ltd. | 4 |
2 |
| F. Hoffmann-La Roche AG | 7947 |
1 |
| Roche Diagnostics GmbH | 2701 |
1 |
| The Regents of the University of California | 19961 |
1 |
| Merck Patent GmbH | 5815 |
1 |
| Corning Incorporated | 10275 |
1 |
| Danisco US Inc. | 1106 |
1 |
| Eth Zurich | 1282 |
1 |
| Other owners | 18 |