- 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: 71
10-year publication summary
|
1
|
3
|
1
|
0
|
6
|
12
|
18
|
11
|
12
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 76283 |
5 |
| Samsung Electronics Co., Ltd. | 159978 |
2 |
| Donaldson Company, Inc. | 1619 |
2 |
| Dyson Technology Limited | 4061 |
2 |
| EOS GmbH Electro Optical Systems | 434 |
2 |
| MANN+HUMMEL GmbH | 1816 |
2 |
| Pall Corporation | 340 |
2 |
| Insight Analytical Solutions Inc. | 13 |
2 |
| Ecoceptional Products Inc. | 2 |
2 |
| Lcgen Co., Ltd. | 2 |
2 |
| International Business Machines Corporation | 62897 |
1 |
| Boehringer Ingelheim Pharma GmbH & Co. Kg | 355 |
1 |
| Philip Morris Products S.A. | 8381 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9279 |
1 |
| Ricoh Company, Ltd. | 13423 |
1 |
| Tokyo Electron Limited | 14049 |
1 |
| Whirlpool Corporation | 4726 |
1 |
| Carrier Corporation | 3960 |
1 |
| The United States of America as represented by the Secretary of the Army | 1269 |
1 |
| Abatement Technologies, Inc. | 41 |
1 |
| Other owners | 38 |