- 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: 1594
10-year publication summary
|
153
|
127
|
127
|
124
|
111
|
99
|
78
|
92
|
76
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7023 |
95 |
| Sumitomo Electric Industries, Ltd. | 15994 |
34 |
| Kurita Water Industries Ltd. | 1249 |
32 |
| Ecolab USA Inc. | 5680 |
30 |
| Kubota Corporation | 4160 |
29 |
| Evoqua Water Technologies LLC | 922 |
23 |
| Organo Corporation | 528 |
20 |
| Mozarc Medical US LLC | 372 |
20 |
| Meidensha Corporation | 910 |
19 |
| Asahi Kasei Kabushiki Kaisha | 2746 |
17 |
| BL Technologies, Inc. | 839 |
17 |
| Mitsubishi Electric Corporation | 47416 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 8976 |
15 |
| Sartorius Stedim Biotech GmbH | 869 |
15 |
| Metawater Co., Ltd. | 202 |
14 |
| Fresenius Medical Care Deutschland GmbH | 2215 |
13 |
| General Electric Company | 13789 |
12 |
| FUJIFILM Corporation | 30106 |
12 |
| BASF SE | 21151 |
11 |
| Grundfos Holding A/S | 582 |
11 |
| Other owners | 1139 |