- 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: 8336
10-year publication summary
|
680
|
852
|
776
|
778
|
824
|
928
|
909
|
680
|
571
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1720 |
580 |
| Donaldson Company, Inc. | 1576 |
522 |
| LG Electronics Inc. | 70831 |
191 |
| Cummins Filtration IP, Inc. | 807 |
170 |
| 3m Innovative Properties Company | 17968 |
145 |
| NGK Insulators, Ltd. | 4782 |
145 |
| Samsung Electronics Co., Ltd. | 138320 |
112 |
| Ibiden Co., Ltd. | 1737 |
112 |
| Caterpillar Inc. | 9149 |
80 |
| Corning Incorporated | 10087 |
75 |
| K&N Engineering, Inc. | 412 |
66 |
| MAHLE International GmbH | 2687 |
64 |
| Baldwin Filters, Inc. | 240 |
63 |
| Camfil AB | 225 |
60 |
| Coway Co., Ltd. | 692 |
55 |
| Sumitomo Chemical Company, Limited | 8966 |
54 |
| Parker Intangibles LLC | 1194 |
50 |
| Ford Global Technologies, LLC | 20039 |
44 |
| Parker-Hannifin Corporation | 1020 |
43 |
| Hollingsworth & Vose Company | 282 |
40 |
| Other owners | 5665 |