- 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: 5162
10-year publication summary
|
426
|
404
|
408
|
408
|
400
|
440
|
407
|
369
|
377
|
201
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10401 |
108 |
| FUJIFILM Manufacturing Europe B.V. | 269 |
90 |
| FUJIFILM Corporation | 29295 |
84 |
| Entegris, Inc. | 1863 |
84 |
| Toray Industries, Inc. | 6930 |
75 |
| 3m Innovative Properties Company | 17858 |
69 |
| Saudi Arabian Oil Company | 12947 |
65 |
| Georgia Tech Research Corporation | 2722 |
64 |
| BASF SE | 20892 |
62 |
| NGK Insulators, Ltd. | 4944 |
62 |
| National University of Singapore | 2436 |
62 |
| W. L. Gore & Associates, Inc. | 2674 |
61 |
| Gambro Lundia AB | 1363 |
61 |
| King Abdullah University of Science and Technology | 1768 |
58 |
| LG Chem, Ltd. | 17594 |
56 |
| Nitto Denko Corporation | 8219 |
56 |
| Uop LLC | 4236 |
46 |
| Solventum Intellectual Properties Company | 3316 |
39 |
| Centre National de La Recherche Scientifique | 10408 |
36 |
| The Regents of the University of California | 19857 |
34 |
| Other owners | 3890 |