- 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: 1304
10-year publication summary
|
72
|
101
|
119
|
110
|
110
|
92
|
99
|
101
|
89
|
50
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 8517 |
33 |
| Ohio State Innovation Foundation | 2361 |
28 |
| Aquaporin A/S | 60 |
27 |
| PPG Industries Ohio, Inc. | 3330 |
21 |
| King Fahd University of Petroleum and Minerals | 1563 |
21 |
| Georgia Tech Research Corporation | 2935 |
20 |
| Saudi Arabian Oil Company | 14161 |
19 |
| Gambro Lundia AB | 1375 |
18 |
| W. L. Gore & Associates, Inc. | 2720 |
17 |
| King Abdullah University of Science and Technology | 1842 |
17 |
| FUJIFILM Corporation | 30479 |
15 |
| Uop LLC | 4394 |
15 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11126 |
15 |
| The Regents of the University of California | 20694 |
14 |
| BASF SE | 21313 |
13 |
| Donaldson Company, Inc. | 1601 |
12 |
| NGK Insulators, Ltd. | 5231 |
11 |
| General Electric Company | 13894 |
10 |
| Centre National de La Recherche Scientifique | 11010 |
10 |
| Dow Global Technologies LLC | 10919 |
10 |
| Other owners | 958 |