- 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: 4720
10-year publication summary
|
421
|
424
|
404
|
408
|
405
|
396
|
425
|
401
|
360
|
106
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10147 |
122 |
| FUJIFILM Manufacturing Europe B.V. | 271 |
87 |
| FUJIFILM Corporation | 27102 |
75 |
| Toray Industries, Inc. | 6652 |
73 |
| 3m Innovative Properties Company | 18406 |
69 |
| Georgia Tech Research Corporation | 2453 |
65 |
| Entegris, Inc. | 1736 |
65 |
| NGK Insulators, Ltd. | 4589 |
61 |
| Saudi Arabian Oil Company | 11322 |
61 |
| King Abdullah University of Science and Technology | 1703 |
59 |
| National University of Singapore | 2228 |
58 |
| BASF SE | 19740 |
56 |
| Nitto Denko Corporation | 7879 |
56 |
| W. L. Gore & Associates, Inc. | 2600 |
56 |
| Gambro Lundia AB | 1383 |
56 |
| LG Chem, Ltd. | 17205 |
55 |
| Uop LLC | 4083 |
47 |
| Centre National de La Recherche Scientifique | 9632 |
35 |
| EMD Millipore Corporation | 657 |
33 |
| Sartorius Stedim Biotech GmbH | 774 |
32 |
| Other owners | 3499 |