- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
Patent holdings for IPC class B01D 67/00
Total number of patents in this class: 5545
10-year publication summary
|
403
|
408
|
408
|
401
|
444
|
411
|
373
|
388
|
354
|
268
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10994 |
119 |
| Entegris, Inc. | 2011 |
93 |
| Toray Industries, Inc. | 7139 |
80 |
| FUJIFILM Corporation | 30594 |
72 |
| 3m Innovative Properties Company | 17458 |
68 |
| FUJIFILM Manufacturing Europe B.V. | 221 |
68 |
| Saudi Arabian Oil Company | 14305 |
68 |
| NGK Insulators, Ltd. | 5200 |
67 |
| Georgia Tech Research Corporation | 2963 |
66 |
| National University of Singapore | 2595 |
65 |
| BASF SE | 21306 |
64 |
| W. L. Gore & Associates, Inc. | 2723 |
63 |
| Gambro Lundia AB | 1398 |
60 |
| King Abdullah University of Science and Technology | 1863 |
60 |
| Nitto Denko Corporation | 8558 |
57 |
| Uop LLC | 4390 |
48 |
| Solventum Intellectual Properties Company | 3423 |
39 |
| Centre National de La Recherche Scientifique | 11059 |
38 |
| Sartorius Stedim Biotech GmbH | 879 |
38 |
| Massachusetts Institute of Technology | 10282 |
35 |
| Other owners | 4277 |