- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 61/20 - Accessories; Auxiliary operations
Patent holdings for IPC class B01D 61/20
Total number of patents in this class: 301
10-year publication summary
|
31
|
12
|
30
|
30
|
33
|
31
|
19
|
29
|
12
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EMD Millipore Corporation | 657 |
22 |
| Repligen Corporation | 258 |
13 |
| Sartorius Stedim Biotech GmbH | 774 |
9 |
| Evoqua Water Technologies LLC | 904 |
8 |
| BL Technologies, Inc. | 831 |
7 |
| Toray Industries, Inc. | 6652 |
5 |
| BASF SE | 19740 |
4 |
| FUJIFILM Diosynth Biotechnologies UK Limited | 65 |
4 |
| GE Healthcare Bio-Sciences AB | 570 |
4 |
| Organo Corporation | 394 |
4 |
| Ovivo Inc. | 137 |
4 |
| Parker Intangibles LLC | 1237 |
4 |
| FUJIFILM Irvine Scientific, Inc. | 63 |
4 |
| DYNAenergetics Europe GmbH | 205 |
4 |
| Cytiva Sweden AB | 741 |
4 |
| General Electric Company | 18133 |
3 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| FUJIFILM Corporation | 27102 |
3 |
| The Regents of the University of Michigan | 4409 |
3 |
| The Cleveland Clinic Foundation | 1591 |
3 |
| Other owners | 186 |