- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
Patent holdings for IPC class B01D 46/00
Total number of patents in this class: 8527
10-year publication summary
|
679
|
852
|
776
|
779
|
824
|
931
|
912
|
687
|
570
|
245
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1751 |
598 |
| Donaldson Company, Inc. | 1595 |
534 |
| LG Electronics Inc. | 72357 |
196 |
| Cummins Filtration IP, Inc. | 809 |
172 |
| 3m Innovative Properties Company | 17842 |
149 |
| NGK Insulators, Ltd. | 4909 |
141 |
| Samsung Electronics Co., Ltd. | 143812 |
115 |
| Ibiden Co., Ltd. | 1736 |
108 |
| Caterpillar Inc. | 9449 |
82 |
| Corning Incorporated | 10232 |
73 |
| K&N Engineering, Inc. | 419 |
72 |
| MAHLE International GmbH | 2740 |
67 |
| Baldwin Filters, Inc. | 234 |
64 |
| Camfil AB | 226 |
60 |
| Coway Co., Ltd. | 717 |
55 |
| Sumitomo Chemical Company, Limited | 9002 |
54 |
| Parker Intangibles LLC | 1174 |
50 |
| Parker-Hannifin Corporation | 1032 |
46 |
| Ford Global Technologies, LLC | 20396 |
44 |
| Dyson Technology Limited | 3576 |
43 |
| Other owners | 5804 |