- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/20 - AccessoriesAuxiliary operations
Patent holdings for IPC class B01D 61/20
Total number of patents in this class: 317
10-year publication summary
|
30
|
30
|
33
|
31
|
19
|
30
|
12
|
25
|
12
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EMD Millipore Corporation | 633 |
21 |
| Repligen Corporation | 299 |
12 |
| Sartorius Stedim Biotech GmbH | 879 |
11 |
| BL Technologies, Inc. | 839 |
7 |
| Organo Corporation | 542 |
7 |
| Toray Industries, Inc. | 7139 |
6 |
| Donaldson Company, Inc. | 1608 |
5 |
| Evoqua Water Technologies LLC | 934 |
5 |
| FUJIFILM Diosynth Biotechnologies UK Limited | 89 |
4 |
| GE Healthcare Bio-Sciences AB | 508 |
4 |
| Cytiva Sweden AB | 790 |
4 |
| FUJIFILM Biosciences Inc. | 32 |
4 |
| General Electric Company | 13915 |
3 |
| Halliburton Energy Services, Inc. | 21309 |
3 |
| BASF SE | 21306 |
3 |
| FUJIFILM Corporation | 30594 |
3 |
| The Regents of the University of Michigan | 5016 |
3 |
| The Cleveland Clinic Foundation | 1579 |
3 |
| Parker Intangibles LLC | 1168 |
3 |
| Porifera, Inc. | 71 |
3 |
| Other owners | 203 |