- All sections
- B - Performing operations; transporting
- 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: 36
10-year publication summary
|
2
|
0
|
1
|
3
|
1
|
0
|
5
|
9
|
16
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
3 |
| EOS GmbH Electro Optical Systems | 398 |
2 |
| MANN+HUMMEL GmbH | 1682 |
2 |
| Pall Corporation | 392 |
2 |
| International Business Machines Corporation | 60644 |
1 |
| Boehringer Ingelheim Pharma GmbH & Co. Kg | 790 |
1 |
| Philip Morris Products S.A. | 6751 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Ricoh Company, Ltd. | 13266 |
1 |
| Whirlpool Corporation | 4238 |
1 |
| Carrier Corporation | 4759 |
1 |
| The United States of America as represented by the Secretary of the Army | 1195 |
1 |
| Abatement Technologies, Inc. | 42 |
1 |
| Anua Clean Air International Limited | 7 |
1 |
| BSH Hausgeräte GmbH | 5384 |
1 |
| Calgon Carbon Corporation | 224 |
1 |
| Donaldson Company, Inc. | 1513 |
1 |
| Entegris, Inc. | 1736 |
1 |
| Herrmann, Torsten | 1 |
1 |
| Johnson Matthey Public Limited Company | 1852 |
1 |
| Other owners | 11 |