- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 65/08 - Prevention of membrane fouling or of concentration polarisation
Patent holdings for IPC class B01D 65/08
Total number of patents in this class: 958
10-year publication summary
|
81
|
86
|
93
|
104
|
98
|
90
|
74
|
63
|
52
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1110 |
36 |
| Toray Industries, Inc. | 6652 |
20 |
| BL Technologies, Inc. | 831 |
16 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
14 |
| Ecolab USA Inc. | 5190 |
14 |
| King Abdullah University of Science and Technology | 1703 |
13 |
| LG Chem, Ltd. | 17205 |
12 |
| Membion GmbH | 23 |
12 |
| The Regents of the University of California | 18943 |
10 |
| Evoqua Water Technologies LLC | 904 |
10 |
| Kubota Corporation | 3054 |
10 |
| Nanyang Technological University | 1739 |
10 |
| Veolia Water Solutions & Technologies Support | 547 |
10 |
| General Electric Company | 18133 |
9 |
| Nitto Denko Corporation | 7879 |
9 |
| Kolon Industries, Inc. | 1506 |
9 |
| Siemens Water Technologies Corp. | 90 |
9 |
| Zenon Technology Partnership | 43 |
9 |
| BASF SE | 19740 |
8 |
| Massachusetts Institute of Technology | 9795 |
8 |
| Other owners | 710 |