- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 65/02 - Membrane cleaning or sterilisation
Patent holdings for IPC class B01D 65/02
Total number of patents in this class: 1502
10-year publication summary
|
128
|
127
|
155
|
131
|
143
|
128
|
115
|
100
|
80
|
31
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
91 |
| Sumitomo Electric Industries, Ltd. | 14131 |
34 |
| Evoqua Water Technologies LLC | 904 |
28 |
| Kubota Corporation | 3054 |
27 |
| Kurita Water Industries Ltd. | 1110 |
27 |
| Ecolab USA Inc. | 5190 |
25 |
| Mozarc Medical US LLC | 323 |
20 |
| Meidensha Corporation | 823 |
19 |
| BL Technologies, Inc. | 831 |
17 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
15 |
| Mitsubishi Electric Corporation | 43934 |
15 |
| Organo Corporation | 394 |
14 |
| Siemens Water Technologies Corp. | 90 |
14 |
| NGK Insulators, Ltd. | 4589 |
13 |
| Metawater Co., Ltd. | 181 |
13 |
| Sartorius Stedim Biotech GmbH | 774 |
13 |
| General Electric Company | 18133 |
12 |
| FUJIFILM Corporation | 27102 |
12 |
| BASF SE | 19740 |
11 |
| Other owners | 1066 |