- All sections
- B - Performing operations; transporting
- 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: 178
10-year publication summary
|
0
|
0
|
1
|
2
|
9
|
21
|
33
|
43
|
66
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Donaldson Company, Inc. | 1513 |
16 |
| MANN+HUMMEL GmbH | 1682 |
13 |
| Turbett Surgical, Inc. | 34 |
6 |
| Hollingsworth & Vose Company | 274 |
5 |
| LG Electronics Inc. | 69257 |
4 |
| Mallinckrodt Pharmaceuticals Ireland Ltd | 109 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| CONMED Corporation | 990 |
3 |
| Coway Co., Ltd. | 649 |
3 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
3 |
| Carrier Corporation | 4759 |
2 |
| BISSELL Inc. | 1064 |
2 |
| Carl Freudenberg KG | 1346 |
2 |
| Cummins Emission Solutions, Inc. | 480 |
2 |
| Cummins Filtration IP, Inc. | 812 |
2 |
| Duerr Systems AG | 175 |
2 |
| Entegris, Inc. | 1736 |
2 |
| Enverid Systems, Inc. | 80 |
2 |
| W.L. Gore & Associates GmbH | 242 |
2 |
| Enviropur LLC | 2 |
2 |
| Other owners | 98 |