- 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: 8953
10-year publication summary
|
852
|
776
|
779
|
824
|
931
|
919
|
708
|
579
|
524
|
319
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1808 |
633 |
| Donaldson Company, Inc. | 1607 |
529 |
| LG Electronics Inc. | 75818 |
217 |
| 3m Innovative Properties Company | 17481 |
155 |
| Samsung Electronics Co., Ltd. | 157946 |
138 |
| NGK Insulators, Ltd. | 5239 |
129 |
| Atmus Filtration IP Inc. | 274 |
100 |
| Ibiden Co., Ltd. | 1667 |
96 |
| Cummins Filtration IP, Inc. | 587 |
95 |
| K&N Engineering, Inc. | 463 |
90 |
| Caterpillar Inc. | 10281 |
88 |
| Corning Incorporated | 10510 |
74 |
| MAHLE International GmbH | 2917 |
73 |
| Baldwin Filters, Inc. | 230 |
63 |
| Camfil AB | 234 |
60 |
| Coway Co., Ltd. | 788 |
58 |
| Parker Intangibles LLC | 1170 |
55 |
| Sumitomo Chemical Company, Limited | 8968 |
54 |
| Augustine Biomedical & Design, LLC | 64 |
47 |
| Dyson Technology Limited | 4003 |
46 |
| Other owners | 6153 |