- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/12 - Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
Patent holdings for IPC class B01D 46/12
Total number of patents in this class: 449
10-year publication summary
|
43
|
42
|
37
|
30
|
49
|
51
|
57
|
54
|
46
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1751 |
33 |
| Camfil AB | 226 |
20 |
| LG Electronics Inc. | 72473 |
15 |
| Cummins Filtration IP, Inc. | 808 |
11 |
| Donaldson Company, Inc. | 1598 |
11 |
| 3m Innovative Properties Company | 17849 |
9 |
| Coway Co., Ltd. | 718 |
9 |
| Samsung Electronics Co., Ltd. | 144143 |
8 |
| Parker Intangibles LLC | 1174 |
8 |
| American Air Filter Company, Inc. | 178 |
7 |
| Ufi Innovation Center S.r.l. | 67 |
7 |
| Parker-Hannifin Corporation | 1032 |
6 |
| W. L. Gore & Associates, Inc. | 2668 |
5 |
| Carl Freudenberg KG | 1367 |
5 |
| Dyson Automotive Research and Development Limited | 16 |
5 |
| Johnson Controls Light Commercial IP GmbH | 306 |
5 |
| Caterpillar Inc. | 9472 |
4 |
| CONMED Corporation | 1004 |
4 |
| Entegris, Inc. | 1856 |
4 |
| MAHLE International GmbH | 2743 |
4 |
| Other owners | 269 |