- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 61/18 - Apparatus therefor
Patent holdings for IPC class B01D 61/18
Total number of patents in this class: 791
10-year publication summary
|
66
|
56
|
64
|
75
|
100
|
86
|
79
|
61
|
57
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EMD Millipore Corporation | 657 |
43 |
| FUJIFILM Corporation | 27102 |
18 |
| Fenwal, Inc. | 626 |
16 |
| Repligen Corporation | 258 |
16 |
| Sartorius Stedim Biotech GmbH | 774 |
16 |
| BL Technologies, Inc. | 831 |
14 |
| Toray Industries, Inc. | 6652 |
12 |
| Evoqua Water Technologies LLC | 904 |
11 |
| Fresenius Medical Care Holdings, Inc. | 1354 |
10 |
| The Regents of the University of California | 18943 |
9 |
| Fibracast Ltd. | 28 |
7 |
| Gambro Lundia AB | 1383 |
7 |
| Massachusetts Institute of Technology | 9795 |
6 |
| Vestergaard SA | 31 |
6 |
| General Electric Company | 18133 |
5 |
| Becton, Dickinson and Company | 6712 |
5 |
| Amgen Inc. | 3779 |
5 |
| Nitto Denko Corporation | 7879 |
5 |
| Corning Incorporated | 9932 |
5 |
| Fresenius Medical Care Deutschland GmbH | 2100 |
5 |
| Other owners | 570 |