- 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: 8742
10-year publication summary
|
848
|
774
|
778
|
822
|
913
|
892
|
688
|
570
|
508
|
52
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1790 |
618 |
| Donaldson Company, Inc. | 1597 |
528 |
| LG Electronics Inc. | 74373 |
210 |
| Cummins Filtration IP, Inc. | 776 |
164 |
| 3m Innovative Properties Company | 17607 |
149 |
| NGK Insulators, Ltd. | 5203 |
139 |
| Samsung Electronics Co., Ltd. | 151303 |
134 |
| Ibiden Co., Ltd. | 1694 |
98 |
| Caterpillar Inc. | 9992 |
86 |
| K&N Engineering, Inc. | 441 |
81 |
| Corning Incorporated | 10380 |
74 |
| MAHLE International GmbH | 2846 |
73 |
| Baldwin Filters, Inc. | 238 |
63 |
| Camfil AB | 233 |
62 |
| Parker Intangibles LLC | 1196 |
56 |
| Coway Co., Ltd. | 756 |
55 |
| Sumitomo Chemical Company, Limited | 9053 |
54 |
| Augustine Biomedical & Design, LLC | 63 |
46 |
| Dyson Technology Limited | 3793 |
45 |
| Ford Global Technologies, LLC | 21070 |
44 |
| Other owners | 5963 |