- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 65/02 - Membrane cleaning or sterilisation
Patent holdings for IPC class B01D 65/02
Total number of patents in this class: 1591
10-year publication summary
|
118
|
153
|
127
|
127
|
124
|
111
|
99
|
78
|
92
|
73
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7015 |
96 |
| Sumitomo Electric Industries, Ltd. | 15789 |
34 |
| Ecolab USA Inc. | 5601 |
30 |
| Kurita Water Industries Ltd. | 1232 |
30 |
| Kubota Corporation | 4056 |
29 |
| Evoqua Water Technologies LLC | 922 |
22 |
| Organo Corporation | 508 |
21 |
| Mozarc Medical US LLC | 354 |
20 |
| Meidensha Corporation | 904 |
19 |
| BL Technologies, Inc. | 839 |
17 |
| Mitsubishi Electric Corporation | 46973 |
16 |
| Asahi Kasei Kabushiki Kaisha | 2719 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 8900 |
15 |
| Sartorius Stedim Biotech GmbH | 857 |
15 |
| Metawater Co., Ltd. | 200 |
14 |
| Fresenius Medical Care Deutschland GmbH | 2189 |
13 |
| General Electric Company | 13830 |
12 |
| FUJIFILM Corporation | 29839 |
12 |
| BASF SE | 21098 |
11 |
| Grundfos Holding A/S | 569 |
11 |
| Other owners | 1138 |