- 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: 467
10-year publication summary
|
42
|
37
|
30
|
49
|
50
|
56
|
54
|
46
|
28
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1793 |
38 |
| Camfil AB | 233 |
20 |
| LG Electronics Inc. | 74447 |
17 |
| Donaldson Company, Inc. | 1588 |
12 |
| Coway Co., Ltd. | 759 |
11 |
| Cummins Filtration IP, Inc. | 775 |
10 |
| 3m Innovative Properties Company | 17596 |
9 |
| Samsung Electronics Co., Ltd. | 151726 |
8 |
| Parker Intangibles LLC | 1195 |
8 |
| American Air Filter Company, Inc. | 180 |
7 |
| Ufi Innovation Center S.r.l. | 71 |
7 |
| Parker-Hannifin Corporation | 1021 |
6 |
| W. L. Gore & Associates, Inc. | 2716 |
5 |
| Pall Corporation | 342 |
5 |
| Dyson Automotive Research and Development Limited | 16 |
5 |
| Johnson Controls Light Commercial IP GmbH | 370 |
5 |
| Caterpillar Inc. | 10010 |
4 |
| Carl Freudenberg KG | 1415 |
4 |
| CONMED Corporation | 1023 |
4 |
| Entegris, Inc. | 1957 |
4 |
| Other owners | 278 |