- 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: 1599
10-year publication summary
|
153
|
127
|
127
|
124
|
111
|
99
|
78
|
92
|
76
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7036 |
95 |
| Sumitomo Electric Industries, Ltd. | 16071 |
34 |
| Kurita Water Industries Ltd. | 1258 |
32 |
| Ecolab USA Inc. | 5722 |
31 |
| Kubota Corporation | 4218 |
29 |
| Evoqua Water Technologies LLC | 927 |
22 |
| Organo Corporation | 536 |
20 |
| Mozarc Medical US LLC | 375 |
20 |
| Meidensha Corporation | 927 |
19 |
| Asahi Kasei Kabushiki Kaisha | 2781 |
17 |
| BL Technologies, Inc. | 838 |
17 |
| Mitsubishi Electric Corporation | 47556 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 9016 |
15 |
| Sartorius Stedim Biotech GmbH | 874 |
15 |
| Metawater Co., Ltd. | 201 |
14 |
| Fresenius Medical Care Deutschland GmbH | 2211 |
13 |
| General Electric Company | 13819 |
12 |
| FUJIFILM Corporation | 30210 |
12 |
| BASF SE | 21129 |
11 |
| Grundfos Holding A/S | 592 |
11 |
| Other owners | 1144 |