- 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: 5029
10-year publication summary
|
425
|
404
|
408
|
408
|
400
|
439
|
408
|
367
|
372
|
85
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10190 |
108 |
| FUJIFILM Manufacturing Europe B.V. | 264 |
86 |
| FUJIFILM Corporation | 28960 |
80 |
| Entegris, Inc. | 1833 |
79 |
| Toray Industries, Inc. | 6814 |
75 |
| 3m Innovative Properties Company | 17887 |
69 |
| Saudi Arabian Oil Company | 12501 |
64 |
| NGK Insulators, Ltd. | 4815 |
63 |
| National University of Singapore | 2384 |
63 |
| Georgia Tech Research Corporation | 2652 |
62 |
| BASF SE | 20488 |
61 |
| W. L. Gore & Associates, Inc. | 2626 |
60 |
| Gambro Lundia AB | 1355 |
59 |
| King Abdullah University of Science and Technology | 1752 |
57 |
| LG Chem, Ltd. | 17701 |
55 |
| Nitto Denko Corporation | 8100 |
55 |
| Uop LLC | 4180 |
46 |
| Solventum Intellectual Properties Company | 3275 |
39 |
| Centre National de La Recherche Scientifique | 10104 |
36 |
| EMD Millipore Corporation | 642 |
34 |
| Other owners | 3778 |