- All sections
- B - Performing operations; transporting
- 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: 4835
10-year publication summary
|
421
|
424
|
404
|
408
|
406
|
399
|
429
|
404
|
361
|
256
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10262 |
128 |
| FUJIFILM Manufacturing Europe B.V. | 271 |
88 |
| FUJIFILM Corporation | 27478 |
79 |
| Toray Industries, Inc. | 6737 |
74 |
| Entegris, Inc. | 1773 |
74 |
| 3m Innovative Properties Company | 18114 |
71 |
| Georgia Tech Research Corporation | 2518 |
64 |
| NGK Insulators, Ltd. | 4659 |
62 |
| Saudi Arabian Oil Company | 11851 |
62 |
| W. L. Gore & Associates, Inc. | 2649 |
60 |
| National University of Singapore | 2295 |
60 |
| BASF SE | 20088 |
56 |
| Gambro Lundia AB | 1372 |
56 |
| King Abdullah University of Science and Technology | 1697 |
56 |
| LG Chem, Ltd. | 17493 |
55 |
| Nitto Denko Corporation | 7910 |
55 |
| Uop LLC | 4164 |
46 |
| Centre National de La Recherche Scientifique | 9814 |
36 |
| EMD Millipore Corporation | 652 |
34 |
| Solventum Intellectual Properties Company | 3219 |
34 |
| Other owners | 3585 |