- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 69/14 - Dynamic membranes
Patent holdings for IPC class B01D 69/14
Total number of patents in this class: 1099
10-year publication summary
|
76
|
73
|
72
|
101
|
119
|
109
|
108
|
89
|
93
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 7879 |
30 |
| Aquaporin A/S | 69 |
26 |
| PPG Industries Ohio, Inc. | 3430 |
22 |
| Ohio State Innovation Foundation | 1770 |
22 |
| Georgia Tech Research Corporation | 2453 |
19 |
| Gambro Lundia AB | 1383 |
15 |
| FUJIFILM Corporation | 27102 |
14 |
| Uop LLC | 4083 |
14 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
14 |
| King Abdullah University of Science and Technology | 1703 |
13 |
| BASF SE | 19740 |
12 |
| Saudi Arabian Oil Company | 11322 |
12 |
| Dow Global Technologies LLC | 10147 |
11 |
| General Electric Company | 18133 |
10 |
| The Regents of the University of California | 18943 |
10 |
| W. L. Gore & Associates, Inc. | 2600 |
9 |
| National University of Singapore | 2228 |
9 |
| Renaissance Energy Research Corporation | 60 |
9 |
| University of South Carolina | 789 |
9 |
| ExxonMobil Research And Engineering Company | 2830 |
8 |
| Other owners | 811 |