- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 41/00 - Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
Patent holdings for IPC class B01D 41/00
Total number of patents in this class: 98
10-year publication summary
|
5
|
10
|
8
|
7
|
5
|
3
|
1
|
1
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Donaldson Company, Inc. | 1513 |
4 |
| NGK Insulators, Ltd. | 4589 |
3 |
| Cubility AS | 35 |
3 |
| Isuzu Motors Limited | 2158 |
3 |
| University of South Africa, | 37 |
3 |
| LG Electronics Inc. | 69257 |
2 |
| Ford Global Technologies, LLC | 19702 |
2 |
| Parker Intangibles LLC | 1237 |
2 |
| Tennant Company | 246 |
2 |
| Nilfisk A/S | 153 |
2 |
| WinTec Glovis Co., Ltd. | 6 |
2 |
| The Regents of the University of California | 18943 |
1 |
| Toyota Motor Corporation | 28582 |
1 |
| Deere & Company | 6845 |
1 |
| Merck Patent GmbH | 5909 |
1 |
| Hewlett-Packard Development Company, L.P. | 28538 |
1 |
| California Institute of Technology | 3884 |
1 |
| Emitec Gesellschaft für Emissionstechnologie mbH | 375 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Ibiden Co., Ltd. | 1724 |
1 |
| Other owners | 61 |