- 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: 336
10-year publication summary
|
1
|
3
|
10
|
21
|
48
|
54
|
71
|
67
|
52
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Donaldson Company, Inc. | 1606 |
30 |
| MANN+HUMMEL GmbH | 1812 |
28 |
| Hollingsworth & Vose Company | 301 |
8 |
| Turbett Surgical, Inc. | 45 |
8 |
| Samsung Electronics Co., Ltd. | 158337 |
6 |
| LG Electronics Inc. | 75807 |
6 |
| Mallinckrodt Pharmaceuticals Ireland Ltd | 226 |
5 |
| Carl Freudenberg KG | 1493 |
4 |
| Coway Co., Ltd. | 789 |
4 |
| Samsung Display Co., Ltd. | 38791 |
3 |
| Caterpillar Inc. | 10284 |
3 |
| CONMED Corporation | 1010 |
3 |
| Duerr Systems AG | 253 |
3 |
| Entegris, Inc. | 2008 |
3 |
| Parker-Hannifin Corporation | 1039 |
3 |
| The Sy-Klone Company, LLC | 48 |
3 |
| Illinois Tool Works Inc. | 11862 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48539 |
2 |
| Corning Incorporated | 10511 |
2 |
| Carrier Corporation | 3949 |
2 |
| Other owners | 208 |