- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 27/06 - Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper with corrugated, folded or wound material
Patent holdings for IPC class B01D 27/06
Total number of patents in this class: 180
10-year publication summary
|
11
|
14
|
12
|
12
|
15
|
14
|
14
|
8
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1731 |
27 |
| Cummins Filtration IP, Inc. | 807 |
13 |
| Donaldson Company, Inc. | 1572 |
11 |
| 3m Innovative Properties Company | 17969 |
9 |
| Caterpillar Inc. | 9185 |
7 |
| Baldwin Filters, Inc. | 239 |
7 |
| Cummins Filtration Inc. | 187 |
5 |
| Advanced Filtration Systems Inc. | 24 |
4 |
| Parker-Hannifin Corporation | 1025 |
4 |
| K&N Engineering, Inc. | 411 |
4 |
| Entegris, Inc. | 1824 |
3 |
| Kaydon Custom Filtration Corporation | 7 |
3 |
| Perry Equipment Corporation | 17 |
3 |
| LG Electronics Inc. | 71074 |
2 |
| Coway Co., Ltd. | 694 |
2 |
| Filtration Technology Corporation | 47 |
2 |
| HSD Holding Smart Device S.r.l. | 11 |
2 |
| HYDAC Filter Systems GmbH | 33 |
2 |
| ITT Manufacturing Enterprises LLC | 410 |
2 |
| King Technology, Inc. | 257 |
2 |
| Other owners | 66 |