- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/71 - Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
Patent holdings for IPC class B01D 46/71
Total number of patents in this class: 165
10-year publication summary
|
1
|
0
|
5
|
10
|
24
|
25
|
30
|
34
|
18
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Donaldson Company, Inc. | 1606 |
36 |
| Husqvarna AB | 3033 |
10 |
| Hilti Aktiengesellschaft | 3679 |
6 |
| EOS GmbH Electro Optical Systems | 431 |
6 |
| W. L. Gore & Associates, Inc. | 2714 |
5 |
| MANN+HUMMEL GmbH | 1810 |
5 |
| Illinois Tool Works Inc. | 11864 |
3 |
| Herding GmbH Filtertechnik | 33 |
3 |
| Integrated Global Services, Inc. | 67 |
3 |
| Camfil APC GmbH | 5 |
3 |
| Deere & Company | 8127 |
2 |
| Ford Global Technologies, LLC | 21532 |
2 |
| Caterpillar Inc. | 10285 |
2 |
| AGCO International GmbH | 723 |
2 |
| Benetech, Inc. | 32 |
2 |
| Camfil AB | 236 |
2 |
| Cendori Co., Ltd. | 24 |
2 |
| Pall Corporation | 340 |
2 |
| Seoul Viosys Co., Ltd. | 1563 |
2 |
| Hengst SE | 182 |
2 |
| Other owners | 65 |