- All sections
- B - Performing operations; transporting
- 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: 8229
10-year publication summary
|
636
|
680
|
852
|
776
|
778
|
824
|
927
|
904
|
674
|
441
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1702 |
565 |
| Donaldson Company, Inc. | 1552 |
515 |
| LG Electronics Inc. | 70052 |
186 |
| Cummins Filtration IP, Inc. | 804 |
170 |
| NGK Insulators, Ltd. | 4745 |
147 |
| 3m Innovative Properties Company | 18119 |
144 |
| Ibiden Co., Ltd. | 1731 |
115 |
| Samsung Electronics Co., Ltd. | 136218 |
108 |
| Caterpillar Inc. | 9019 |
80 |
| Corning Incorporated | 9992 |
74 |
| Baldwin Filters, Inc. | 256 |
67 |
| MAHLE International GmbH | 2665 |
64 |
| K&N Engineering, Inc. | 413 |
64 |
| Camfil AB | 224 |
61 |
| Coway Co., Ltd. | 675 |
55 |
| Sumitomo Chemical Company, Limited | 8916 |
54 |
| Parker Intangibles LLC | 1209 |
50 |
| Ford Global Technologies, LLC | 19786 |
44 |
| Parker-Hannifin Corporation | 1008 |
42 |
| Dyson Technology Limited | 3329 |
38 |
| Other owners | 5586 |