- 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: 5529
10-year publication summary
|
403
|
408
|
408
|
401
|
444
|
411
|
373
|
388
|
353
|
254
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10960 |
119 |
| Entegris, Inc. | 2007 |
92 |
| Toray Industries, Inc. | 7111 |
80 |
| FUJIFILM Corporation | 30516 |
72 |
| 3m Innovative Properties Company | 17481 |
68 |
| FUJIFILM Manufacturing Europe B.V. | 221 |
68 |
| Saudi Arabian Oil Company | 14248 |
68 |
| NGK Insulators, Ltd. | 5239 |
67 |
| Georgia Tech Research Corporation | 2950 |
66 |
| National University of Singapore | 2586 |
64 |
| BASF SE | 21308 |
63 |
| W. L. Gore & Associates, Inc. | 2715 |
63 |
| Gambro Lundia AB | 1391 |
60 |
| King Abdullah University of Science and Technology | 1855 |
60 |
| Nitto Denko Corporation | 8540 |
57 |
| Uop LLC | 4393 |
48 |
| Solventum Intellectual Properties Company | 3418 |
39 |
| Sartorius Stedim Biotech GmbH | 875 |
38 |
| Centre National de La Recherche Scientifique | 11026 |
37 |
| Massachusetts Institute of Technology | 10254 |
35 |
| Other owners | 4265 |