- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 25/26 - Cell-type stack filters
Patent holdings for IPC class B01D 25/26
Total number of patents in this class: 79
10-year publication summary
|
5
|
8
|
4
|
2
|
8
|
5
|
3
|
4
|
4
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Donaldson Company, Inc. | 1600 |
10 |
| Alfa Laval Moatti SAS | 9 |
8 |
| Alfa Laval Moatti | 11 |
6 |
| Alfa Laval Corporate AB | 1335 |
5 |
| Cummins Filtration IP, Inc. | 590 |
3 |
| Sartorius Stedim Biotech GmbH | 873 |
3 |
| C.C. Jensen A/S | 52 |
3 |
| The Regents of the University of California | 20720 |
2 |
| Caterpillar Inc. | 10272 |
2 |
| Reinhold Wesselmann GmbH | 2 |
2 |
| Vanderbilt University | 2019 |
2 |
| Cytiva US LLC | 202 |
2 |
| Atmus Filtration IP Inc. | 273 |
2 |
| 3m Innovative Properties Company | 17488 |
1 |
| EMD Millipore Corporation | 631 |
1 |
| Sumitomo Wiring Systems, Ltd. | 10987 |
1 |
| Takeda Pharmaceutical Company Limited | 2715 |
1 |
| Baxalta GmbH | 102 |
1 |
| Baxalta Incorporated | 297 |
1 |
| Eaton Technologies IP GmbH & Co. KG | 12 |
1 |
| Other owners | 22 |