- 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: 838
10-year publication summary
|
60
|
72
|
94
|
78
|
79
|
60
|
57
|
50
|
41
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EMD Millipore Corporation | 639 |
49 |
| Sartorius Stedim Biotech GmbH | 862 |
20 |
| FUJIFILM Corporation | 30010 |
19 |
| Repligen Corporation | 293 |
17 |
| Fenwal, Inc. | 684 |
16 |
| Toray Industries, Inc. | 7014 |
15 |
| BL Technologies, Inc. | 839 |
13 |
| The Regents of the University of California | 20355 |
11 |
| Evoqua Water Technologies LLC | 926 |
8 |
| Fibracast Ltd. | 29 |
8 |
| Organo Corporation | 523 |
8 |
| Gambro Lundia AB | 1357 |
7 |
| Corning Incorporated | 10374 |
6 |
| Fresenius Medical Care Holdings, Inc. | 1427 |
6 |
| Kurita Water Industries Ltd. | 1245 |
6 |
| General Electric Company | 13767 |
5 |
| Boehringer Ingelheim International GmbH | 4595 |
5 |
| Becton, Dickinson and Company | 7492 |
5 |
| Amgen Inc. | 4290 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46507 |
5 |
| Other owners | 604 |