- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/40 - Particle separators, e.g. dust precipitators, using edge filters, i.e. using contiguous impervious surfaces
Patent holdings for IPC class B01D 46/40
Total number of patents in this class: 47
10-year publication summary
|
3
|
7
|
7
|
9
|
3
|
5
|
2
|
5
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Atlas Copco Airpower, naamloze vennootschap | 1065 |
4 |
| Cummins Filtration IP, Inc. | 620 |
3 |
| Imagine TF, LLC | 35 |
3 |
| Specialized Desanders Inc. | 43 |
3 |
| 3m Innovative Properties Company | 17494 |
2 |
| Caterpillar Inc. | 10184 |
2 |
| HSD Holding Smart Device S.r.l. | 10 |
2 |
| Samsung Electronics Co., Ltd. | 154987 |
1 |
| Xerox Corporation | 4705 |
1 |
| Ericsson | 22347 |
1 |
| ACS Industries, Inc. | 40 |
1 |
| Baldwin Filters, Inc. | 230 |
1 |
| Carl Freudenberg KG | 1448 |
1 |
| Centre Scientifique et Technique du Batiment (cstb) | 46 |
1 |
| Chung-Ang University Industry-Academy Cooperation Foundation | 475 |
1 |
| Commonwealth Scientific and Industrial Research Organisation | 1655 |
1 |
| Cummins Filtration Inc. | 89 |
1 |
| Daka Manufacturing, LLC | 6 |
1 |
| ESK Ceramics GmbH & Co. KG | 19 |
1 |
| Gigaphoton Inc. | 1312 |
1 |
| Other owners | 15 |