- 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: 1619
10-year publication summary
|
155
|
131
|
143
|
130
|
117
|
103
|
82
|
92
|
78
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7088 |
96 |
| Sumitomo Electric Industries, Ltd. | 16273 |
34 |
| Kurita Water Industries Ltd. | 1279 |
32 |
| Ecolab USA Inc. | 5795 |
31 |
| Kubota Corporation | 4377 |
29 |
| Evoqua Water Technologies LLC | 931 |
22 |
| Organo Corporation | 537 |
20 |
| Mozarc Medical US LLC | 382 |
20 |
| Meidensha Corporation | 931 |
19 |
| Asahi Kasei Kabushiki Kaisha | 2825 |
17 |
| BL Technologies, Inc. | 843 |
17 |
| Mitsubishi Electric Corporation | 47893 |
16 |
| Fresenius Medical Care Deutschland GmbH | 2224 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 9086 |
15 |
| Sartorius Stedim Biotech GmbH | 870 |
15 |
| Metawater Co., Ltd. | 200 |
14 |
| General Electric Company | 13886 |
12 |
| FUJIFILM Corporation | 30458 |
12 |
| BASF SE | 21292 |
11 |
| Grundfos Holding A/S | 604 |
11 |
| Other owners | 1160 |