- 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: 1197
10-year publication summary
|
73
|
72
|
101
|
119
|
110
|
111
|
92
|
98
|
98
|
31
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 8146 |
30 |
| Aquaporin A/S | 73 |
27 |
| Ohio State Innovation Foundation | 2048 |
25 |
| Georgia Tech Research Corporation | 2679 |
19 |
| PPG Industries Ohio, Inc. | 3392 |
18 |
| Gambro Lundia AB | 1359 |
18 |
| Saudi Arabian Oil Company | 12683 |
17 |
| FUJIFILM Corporation | 29082 |
15 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10740 |
15 |
| Uop LLC | 4191 |
14 |
| King Fahd University of Petroleum and Minerals | 1108 |
14 |
| W. L. Gore & Associates, Inc. | 2642 |
13 |
| King Abdullah University of Science and Technology | 1763 |
13 |
| BASF SE | 20616 |
12 |
| The Regents of the University of California | 19681 |
12 |
| NGK Insulators, Ltd. | 4853 |
11 |
| General Electric Company | 17076 |
10 |
| Dow Global Technologies LLC | 10247 |
10 |
| Donaldson Company, Inc. | 1579 |
10 |
| National University of Singapore | 2399 |
10 |
| Other owners | 884 |