- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 27/14 - Cartridge filters of the throw-away type having more than one filtering element
Patent holdings for IPC class B01D 27/14
Total number of patents in this class: 193
10-year publication summary
|
16
|
12
|
21
|
18
|
17
|
15
|
7
|
13
|
9
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cummins Filtration IP, Inc. | 805 |
13 |
| Donaldson Company, Inc. | 1589 |
7 |
| MAHLE International GmbH | 2838 |
7 |
| MANN+HUMMEL GmbH | 1777 |
7 |
| 3m Innovative Properties Company | 17719 |
6 |
| EMD Millipore Corporation | 640 |
5 |
| Caterpillar Inc. | 9852 |
5 |
| Hubb Filters, Inc. | 10 |
5 |
| Formaster S.A. | 49 |
4 |
| Winchester Global Pty Ltd | 8 |
4 |
| Cloud Water Filter, LLC | 7 |
4 |
| Becton, Dickinson and Company | 7440 |
3 |
| Whirlpool Corporation | 4475 |
3 |
| Coway Co., Ltd. | 748 |
3 |
| Crosstex International, Inc. | 115 |
3 |
| Cummins Filtration Inc. | 202 |
3 |
| US Army Ecbc | 3 |
3 |
| Briggs & Stratton, LLC | 679 |
3 |
| Lockheed Martin Corporation | 3273 |
2 |
| Amiad Water Systems Ltd. | 51 |
2 |
| Other owners | 101 |