- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/56 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
Patent holdings for IPC class B01D 46/56
Total number of patents in this class: 48
10-year publication summary
|
0
|
1
|
3
|
1
|
0
|
5
|
12
|
16
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 71039 |
5 |
| EOS GmbH Electro Optical Systems | 408 |
2 |
| MANN+HUMMEL GmbH | 1726 |
2 |
| Pall Corporation | 345 |
2 |
| International Business Machines Corporation | 60129 |
1 |
| Boehringer Ingelheim Pharma GmbH & Co. Kg | 655 |
1 |
| Philip Morris Products S.A. | 7310 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
1 |
| Ricoh Company, Ltd. | 13216 |
1 |
| Whirlpool Corporation | 4333 |
1 |
| Carrier Corporation | 4451 |
1 |
| The United States of America as represented by the Secretary of the Army | 1183 |
1 |
| Abatement Technologies, Inc. | 42 |
1 |
| Anua Clean Air International Limited | 7 |
1 |
| BSH Hausgeräte GmbH | 5455 |
1 |
| Calgon Carbon Corporation | 236 |
1 |
| CONMED Corporation | 999 |
1 |
| Donaldson Company, Inc. | 1574 |
1 |
| Entegris, Inc. | 1814 |
1 |
| Herrmann, Torsten | 1 |
1 |
| Other owners | 21 |