- 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: 1634
10-year publication summary
|
155
|
131
|
143
|
130
|
117
|
103
|
82
|
92
|
79
|
61
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7139 |
97 |
| Sumitomo Electric Industries, Ltd. | 16448 |
34 |
| Kurita Water Industries Ltd. | 1290 |
32 |
| Ecolab USA Inc. | 5813 |
31 |
| Kubota Corporation | 4409 |
31 |
| Evoqua Water Technologies LLC | 934 |
21 |
| Organo Corporation | 542 |
21 |
| Mozarc Medical US LLC | 387 |
20 |
| Meidensha Corporation | 934 |
19 |
| Asahi Kasei Kabushiki Kaisha | 2840 |
17 |
| BL Technologies, Inc. | 839 |
17 |
| Mitsubishi Electric Corporation | 48172 |
16 |
| Fresenius Medical Care Deutschland GmbH | 2238 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 9168 |
15 |
| Sartorius Stedim Biotech GmbH | 879 |
15 |
| Metawater Co., Ltd. | 200 |
14 |
| FUJIFILM Corporation | 30594 |
13 |
| General Electric Company | 13915 |
12 |
| BASF SE | 21306 |
11 |
| Grundfos Holding A/S | 608 |
11 |
| Other owners | 1171 |