- All sections
- B - Performing operationstransporting
- 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: 92
10-year publication summary
|
8
|
7
|
5
|
3
|
1
|
1
|
1
|
1
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5236 |
3 |
| Cubility AS | 33 |
3 |
| Donaldson Company, Inc. | 1600 |
3 |
| Isuzu Motors Limited | 2323 |
3 |
| University of South Africa, | 54 |
3 |
| Ford Global Technologies, LLC | 21509 |
2 |
| Parker Intangibles LLC | 1169 |
2 |
| Tennant Company | 262 |
2 |
| Nilfisk A/S | 168 |
2 |
| WinTec Glovis Co., Ltd. | 8 |
2 |
| Illinois Tool Works Inc. | 11863 |
1 |
| LG Electronics Inc. | 75694 |
1 |
| The Regents of the University of California | 20745 |
1 |
| Toyota Motor Corporation | 35772 |
1 |
| Deere & Company | 8097 |
1 |
| Merck Patent GmbH | 5728 |
1 |
| Hewlett-Packard Development Company, L.P. | 25184 |
1 |
| California Institute of Technology | 4040 |
1 |
| Whirlpool Corporation | 4643 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
1 |
| Other owners | 57 |