- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/18 - Particle separators, e.g. dust precipitators, using filtering belts
Patent holdings for IPC class B01D 46/18
Total number of patents in this class: 94
10-year publication summary
|
5
|
11
|
10
|
6
|
5
|
8
|
3
|
3
|
3
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1327 |
13 |
| LG Electronics Inc. | 73884 |
5 |
| 3m Innovative Properties Company | 17717 |
3 |
| Daikin Industries, Ltd. | 10167 |
3 |
| Cummins Filtration IP, Inc. | 803 |
3 |
| Dyson Technology Limited | 3771 |
3 |
| Nitty-gritty S.r.l. | 19 |
3 |
| Safran Aircraft Engines | 6420 |
3 |
| General Electric Company | 13827 |
2 |
| Hamilton Sundstrand Corporation | 4961 |
2 |
| Camfil AB | 233 |
2 |
| Dualdraw, a Limited Liability Company | 3 |
2 |
| FIPAK Research And Development Company | 32 |
2 |
| Tokyo ROKI Co., Ltd. | 69 |
2 |
| Automatic Air, LLC | 2 |
2 |
| Samsung Electronics Co., Ltd. | 149362 |
1 |
| Siemens AG | 24323 |
1 |
| LG Chem, Ltd. | 17704 |
1 |
| Honeywell International Inc. | 13571 |
1 |
| United Technologies Corporation | 2230 |
1 |
| Other owners | 39 |