- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 65/04 - Membrane cleaning or sterilisation with movable bodies, e.g. foam balls
Patent holdings for IPC class B01D 65/04
Total number of patents in this class: 23
10-year publication summary
|
2
|
1
|
5
|
2
|
3
|
1
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fuji Filter Manufacturing Co., Ltd. | 54 |
3 |
| Fibracast Ltd. | 29 |
2 |
| Itn Nanovation AG | 22 |
2 |
| Organo Corporation | 465 |
2 |
| Parkson Corporation | 122 |
2 |
| Sumitomo Electric Industries, Ltd. | 15483 |
1 |
| Mitsubishi Rayon Co., Ltd. | 909 |
1 |
| Design Technology and Innovation Ltd. | 3 |
1 |
| Econopure Water Systems, LLC | 1 |
1 |
| Meurer Research, Inc. | 4 |
1 |
| National University Corporation Hokkaido University | 1342 |
1 |
| Siemens Water Technologies Corp. | 73 |
1 |
| Aquatech International, LLC | 95 |
1 |
| Grundfos Management a/s | 181 |
1 |
| Mitsubishi Rayon Engineering Co., Ltd. | 5 |
1 |
| Nikken Inc. | 1 |
1 |
| Ryuki Engineering Inc. | 4 |
1 |
| Other owners | 0 |