- 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: 5316
10-year publication summary
|
374
|
379
|
389
|
377
|
423
|
389
|
361
|
375
|
341
|
33
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10696 |
116 |
| Entegris, Inc. | 1946 |
89 |
| FUJIFILM Corporation | 30010 |
86 |
| FUJIFILM Manufacturing Europe B.V. | 256 |
83 |
| Toray Industries, Inc. | 7014 |
75 |
| 3m Innovative Properties Company | 17614 |
67 |
| Saudi Arabian Oil Company | 13814 |
67 |
| NGK Insulators, Ltd. | 5192 |
65 |
| Georgia Tech Research Corporation | 2856 |
65 |
| National University of Singapore | 2533 |
64 |
| BASF SE | 21135 |
63 |
| W. L. Gore & Associates, Inc. | 2718 |
61 |
| Gambro Lundia AB | 1357 |
61 |
| King Abdullah University of Science and Technology | 1824 |
59 |
| Nitto Denko Corporation | 8399 |
58 |
| LG Chem, Ltd. | 17741 |
52 |
| Uop LLC | 4273 |
46 |
| Solventum Intellectual Properties Company | 3351 |
40 |
| Centre National de La Recherche Scientifique | 10801 |
37 |
| Sartorius Stedim Biotech GmbH | 862 |
36 |
| Other owners | 4026 |