- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/62 - 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 series
Patent holdings for IPC class B01D 46/62
Total number of patents in this class: 260
10-year publication summary
|
0
|
1
|
2
|
10
|
21
|
44
|
53
|
68
|
66
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Donaldson Company, Inc. | 1598 |
27 |
| MANN+HUMMEL GmbH | 1752 |
18 |
| Hollingsworth & Vose Company | 290 |
8 |
| Turbett Surgical, Inc. | 34 |
6 |
| LG Electronics Inc. | 72675 |
5 |
| Samsung Electronics Co., Ltd. | 144675 |
4 |
| CONMED Corporation | 1004 |
4 |
| Mallinckrodt Pharmaceuticals Ireland Ltd | 141 |
4 |
| Carl Freudenberg KG | 1364 |
3 |
| Coway Co., Ltd. | 724 |
3 |
| Cummins Filtration IP, Inc. | 808 |
3 |
| Duerr Systems AG | 226 |
3 |
| Entegris, Inc. | 1861 |
3 |
| Parker-Hannifin Corporation | 1033 |
3 |
| The Sy-Klone Company, LLC | 47 |
3 |
| Samsung Display Co., Ltd. | 34349 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42288 |
2 |
| Caterpillar Inc. | 9521 |
2 |
| Carrier Corporation | 4353 |
2 |
| Air Products and Chemicals, Inc. | 1414 |
2 |
| Other owners | 153 |