- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 65/06 - Membrane cleaning or sterilisation with special washing compositions
Patent holdings for IPC class B01D 65/06
Total number of patents in this class: 261
10-year publication summary
|
23
|
17
|
15
|
21
|
18
|
9
|
16
|
17
|
17
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6936 |
35 |
| Kurita Water Industries Ltd. | 1193 |
33 |
| Organo Corporation | 464 |
16 |
| Mitsubishi Electric Corporation | 46037 |
14 |
| Asahi Kasei Kabushiki Kaisha | 2666 |
13 |
| Ecolab USA Inc. | 5478 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 8712 |
7 |
| Sumitomo Electric Industries, Ltd. | 15455 |
7 |
| Kubota Corporation | 3896 |
5 |
| Yokogawa Electric Corporation | 1742 |
5 |
| Asahi Kasei Chemicals Corporation | 681 |
4 |
| FUJIFILM Corporation | 29350 |
3 |
| Nitto Denko Corporation | 8230 |
3 |
| BL Technologies, Inc. | 834 |
3 |
| Kobelco Eco-solutions Co., Ltd. | 127 |
3 |
| Metawater Co., Ltd. | 194 |
3 |
| Toyobo Co., Ltd. | 2490 |
3 |
| Hitachi, Ltd. | 15476 |
2 |
| Daikin Industries, Ltd. | 9991 |
2 |
| 643096 Alberta Limited | 11 |
2 |
| Other owners | 90 |