- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 69/06 - Flat membranes
Patent holdings for IPC class B01D 69/06
Total number of patents in this class: 651
10-year publication summary
|
56
|
61
|
65
|
54
|
60
|
54
|
33
|
34
|
48
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7113 |
17 |
| Amogreentech Co., Ltd. | 646 |
16 |
| Nitto Denko Corporation | 8536 |
15 |
| FUJIFILM Corporation | 30514 |
12 |
| Gambro Lundia AB | 1389 |
12 |
| Sumitomo Chemical Company, Limited | 9016 |
10 |
| Fibracast Ltd. | 29 |
10 |
| Inscripta, Inc., FORMERLY Muse Biotechnology, Inc. | 270 |
10 |
| Asahi Kasei Life Science Corporation | 75 |
10 |
| Evonik Operations GmbH | 4362 |
9 |
| The Regents of the University of California | 20745 |
7 |
| Uop LLC | 4393 |
7 |
| W. L. Gore & Associates, Inc. | 2720 |
7 |
| Entegris, Inc. | 2008 |
7 |
| Meidensha Corporation | 929 |
7 |
| Sartorius Stedim Biotech GmbH | 875 |
7 |
| Blue Foot Membranes NV | 17 |
7 |
| Murata Manufacturing Co., Ltd. | 25744 |
6 |
| Fresenius Medical Care Holdings, Inc. | 1426 |
6 |
| Kubota Corporation | 4391 |
6 |
| Other owners | 463 |