- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/18 - Apparatus therefor
Patent holdings for IPC class B01D 61/18
Total number of patents in this class: 820
10-year publication summary
|
55
|
60
|
72
|
94
|
78
|
79
|
59
|
56
|
50
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EMD Millipore Corporation | 651 |
49 |
| FUJIFILM Corporation | 29489 |
19 |
| Sartorius Stedim Biotech GmbH | 836 |
19 |
| Fenwal, Inc. | 672 |
16 |
| Repligen Corporation | 285 |
16 |
| Toray Industries, Inc. | 6966 |
14 |
| BL Technologies, Inc. | 835 |
13 |
| The Regents of the University of California | 20015 |
11 |
| Evoqua Water Technologies LLC | 916 |
9 |
| Fibracast Ltd. | 29 |
8 |
| Gambro Lundia AB | 1375 |
7 |
| Organo Corporation | 476 |
7 |
| Corning Incorporated | 10283 |
6 |
| Fresenius Medical Care Holdings, Inc. | 1423 |
6 |
| General Electric Company | 13807 |
5 |
| Becton, Dickinson and Company | 7279 |
5 |
| Amgen Inc. | 4093 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43064 |
5 |
| Nitto Denko Corporation | 8271 |
5 |
| Massachusetts Institute of Technology | 10080 |
5 |
| Other owners | 590 |