- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 65/10 - Testing of membranes or membrane apparatusDetecting or repairing leaks
Patent holdings for IPC class B01D 65/10
Total number of patents in this class: 577
10-year publication summary
|
39
|
35
|
42
|
41
|
27
|
46
|
31
|
44
|
34
|
30
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sartorius Stedim Biotech GmbH | 881 |
25 |
| Toray Industries, Inc. | 7143 |
24 |
| Fresenius Medical Care Deutschland GmbH | 2242 |
19 |
| EMD Millipore Corporation | 633 |
17 |
| NGK Insulators, Ltd. | 5173 |
17 |
| Nitto Denko Corporation | 8565 |
14 |
| Gambro Lundia AB | 1398 |
14 |
| Nanyang Technological University | 2229 |
11 |
| Kurita Water Industries Ltd. | 1290 |
10 |
| Mitsubishi Rayon Co., Ltd. | 850 |
8 |
| Entegris, Inc. | 2016 |
8 |
| Asahi Kasei Life Science Corporation | 76 |
8 |
| Asahi Kasei Medical Co., Ltd. | 231 |
7 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
7 |
| Ecolab USA Inc. | 5820 |
7 |
| King Abdullah University of Science and Technology | 1867 |
7 |
| Kubota Corporation | 4414 |
7 |
| Organo Corporation | 542 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9172 |
5 |
| Dow Global Technologies LLC | 11008 |
5 |
| Other owners | 351 |