- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 69/14 - Dynamic membranes
Patent holdings for IPC class B01D 69/14
Total number of patents in this class: 1229
10-year publication summary
|
73
|
67
|
93
|
112
|
108
|
103
|
88
|
93
|
98
|
63
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 8338 |
31 |
| Ohio State Innovation Foundation | 2178 |
27 |
| Aquaporin A/S | 74 |
27 |
| PPG Industries Ohio, Inc. | 3444 |
20 |
| Georgia Tech Research Corporation | 2767 |
19 |
| Gambro Lundia AB | 1372 |
18 |
| King Fahd University of Petroleum and Minerals | 1280 |
17 |
| Saudi Arabian Oil Company | 13409 |
17 |
| FUJIFILM Corporation | 29696 |
15 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10949 |
15 |
| King Abdullah University of Science and Technology | 1806 |
15 |
| Uop LLC | 4246 |
14 |
| BASF SE | 21017 |
13 |
| The Regents of the University of California | 20108 |
13 |
| W. L. Gore & Associates, Inc. | 2726 |
13 |
| NGK Insulators, Ltd. | 5103 |
11 |
| Donaldson Company, Inc. | 1605 |
11 |
| General Electric Company | 13858 |
10 |
| Centre National de La Recherche Scientifique | 10564 |
10 |
| Dow Global Technologies LLC | 10437 |
10 |
| Other owners | 903 |