- 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: 1573
10-year publication summary
|
118
|
153
|
127
|
127
|
124
|
111
|
99
|
78
|
92
|
47
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6951 |
95 |
| Sumitomo Electric Industries, Ltd. | 15511 |
34 |
| Kubota Corporation | 3912 |
30 |
| Kurita Water Industries Ltd. | 1194 |
28 |
| Ecolab USA Inc. | 5499 |
27 |
| Evoqua Water Technologies LLC | 915 |
24 |
| Meidensha Corporation | 887 |
20 |
| Mozarc Medical US LLC | 338 |
20 |
| BL Technologies, Inc. | 832 |
17 |
| Organo Corporation | 472 |
17 |
| Mitsubishi Electric Corporation | 46160 |
16 |
| Asahi Kasei Kabushiki Kaisha | 2677 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 8735 |
15 |
| Sartorius Stedim Biotech GmbH | 831 |
15 |
| Fresenius Medical Care Deutschland GmbH | 2157 |
13 |
| Metawater Co., Ltd. | 194 |
13 |
| General Electric Company | 13808 |
12 |
| FUJIFILM Corporation | 29424 |
12 |
| BASF SE | 20915 |
11 |
| NGK Insulators, Ltd. | 4965 |
10 |
| Other owners | 1128 |