- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/58 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
Patent holdings for IPC class B01D 46/58
Total number of patents in this class: 232
10-year publication summary
|
3
|
1
|
5
|
17
|
39
|
35
|
47
|
38
|
31
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75910 |
16 |
| Donaldson Company, Inc. | 1606 |
15 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 230 |
11 |
| Ufi Innovation Center S.r.l. | 75 |
7 |
| Life Technologies Corporation | 3458 |
5 |
| Carl Freudenberg KG | 1494 |
5 |
| Parker-Hannifin Corporation | 1042 |
5 |
| PaintMaxx LLC | 5 |
5 |
| Caterpillar Inc. | 10299 |
4 |
| Hilti Aktiengesellschaft | 3705 |
4 |
| Coway Co., Ltd. | 792 |
4 |
| Cummins Filtration IP, Inc. | 583 |
4 |
| Pall Corporation | 335 |
4 |
| Samsung Electronics Co., Ltd. | 158605 |
3 |
| Camfil AB | 237 |
3 |
| Duerr Systems AG | 253 |
3 |
| Filtration Technology Corporation | 48 |
3 |
| Giffin, Inc. | 29 |
3 |
| MANN+HUMMEL GmbH | 1812 |
3 |
| MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd. | 68 |
3 |
| Other owners | 122 |