- 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: 1115
10-year publication summary
|
76
|
73
|
72
|
101
|
119
|
109
|
108
|
89
|
93
|
61
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 7908 |
29 |
| Aquaporin A/S | 71 |
27 |
| Ohio State Innovation Foundation | 1859 |
22 |
| PPG Industries Ohio, Inc. | 3411 |
20 |
| Georgia Tech Research Corporation | 2509 |
18 |
| FUJIFILM Corporation | 27430 |
15 |
| Gambro Lundia AB | 1375 |
15 |
| Uop LLC | 4161 |
14 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10604 |
14 |
| King Abdullah University of Science and Technology | 1695 |
13 |
| BASF SE | 20070 |
12 |
| Saudi Arabian Oil Company | 11818 |
12 |
| The Regents of the University of California | 19150 |
11 |
| W. L. Gore & Associates, Inc. | 2645 |
11 |
| General Electric Company | 17897 |
10 |
| Dow Global Technologies LLC | 10252 |
10 |
| National University of Singapore | 2291 |
10 |
| King Fahd University of Petroleum and Minerals | 839 |
9 |
| Renaissance Energy Research Corporation | 60 |
9 |
| University of South Carolina | 791 |
9 |
| Other owners | 825 |